Bitcoin Forum

Hey guyz
I am complete noob in crypto. I need to know what is a blockchain? How to use it and what if it goes offline? What affects it will occur on bitcoin.

I have tried understanding it but it looks very complex There may be a simpler way to understand it guys

Thanks for the help

Essentially, it's a continuously growing list of records, called blocks, which are linked and secured using cryptography. It would take a huge amount of computing power to override the entire network.

Bitcoin is a blockchain, but blockchain is not Bitcoin. Blockchain is Bitcoin's underlying technology. A blockchain is a distributed database placed in a non-secure environment that uses cryptographic methods to ensure that existing data cannot be tampered with. And consensus algorithms are used to reach consensus on new data.

The blockchain is known for being the underlying technology of bitcoin, but the technology itself has great value!


The essence of blockchain is the reconstruction of credit system.

In a nutshell, the blockchain is a general ledger that records all historical transactions. Each block contains several transaction records. If the blockchain is a book, then the block is every page of the book. The details of the transaction are recorded on a public account that can be seen by anyone on the network.

A blockchain is a distributed database (system) placed in a non-secure environment.

The blockchain uses cryptographic methods to ensure that existing data cannot be tampered with.

The blockchain uses consensus algorithms to reach consensus on new data.

The system with the above three properties is the blockchain.

To say that blockchain can't avoid Bitcoin, of course, the reason why Bitcoin needs to be talked about: The first reason is that with blockchain technology being born with Bitcoin, it can be said that without Bitcoin, blockchain technology may be much later. Many years may or may not happen. Second, Bitcoin is the most successful and most mature example of industrialization of blockchain technology. Of course, it is not suitable for all scenarios because it is only a digital currency type. Public chain. Because it is the earliest and most mature digital currency public chain, it is likely to play the role of Internet basic currency in the future.

If I think BlockChain is an integrated transaction logging technology with modern technology, which has a unique code that can not be changed (immutable) that revolutionize the workings of the internet, banking and other things. ... The development of Blockchain and Bitcoin Technology in Indonesia has started rapidly since 2015.

   Blockchain (of bitcoin for example) is open database based on cryptography which may be seen and copied by anyone but may be created by miners with privat key owners only. It contains all done transactions, has huge amount of copies around the world so can not be deleted or subsituted

First of all, welcome here in the forum. Since you are a Newbie and it seems like you really don't have any idea what world you are entering. I suggest you to make research first so that you can be able to explore and gain knowledge for what is this "Crypto world" all about. You should conduct research for basic informations before you fully participate here. You know, some members here really hate "spoon feeding" Members/Newbies that always ask and didn't even can spend some time to make research by themselves. But I'm not scaring you, and please no offence, I'm always willing to help Newbies and I'm giving you some tips. You should also visit the Beginners&Help Section. Here is the link https://bitcointalk.org/index.php?board=39.0

About your question "What is blockchain".
Well according to Wikipedia, "blockchain" originally is from the word "block" and "chain" (obviously), is a continuously growing list of records which is called "blocks" which are linked and secured using cryptography. Blockchain was invented by Satoshi Nakamoto (the creator of BTCitcoin) back in 2008 for use in the cryptocurrency bitcoin, as its public transaction ledger.



Resource: https://en.m.wikipedia.org/wiki/Blockchain

Blockchain is a distributed database. Essentially, blockchain is a trust mechanism that is reconstructed using distributed technologies and consensus algorithms. The blockchain can be simply understood as a transaction book maintained by all participants. The disclosure of the account information enables all participants to verify the correctness of the transaction and the billing together, making the account book's ability to prevent malicious tampering. All participants can trust the carrier.

Hello, I am not so familiar with blockchain at first. So I research what is Blockchain. "By design, the blockchain is a decentralized technology. A global network of computers uses blockchain technology to jointly manage the database that records Bitcoin transactions. That is, Bitcoin is managed by its network, and not any one central authority."

anything you need to start right here:
https://blockgeeks.com/guides/what-is-blockchain-technology/

Take Bitcoin's blockchain as an example. You can think of a blockchain as a Bitcoin public ledger. This account:
1. Stored on each Bitcoin node of the Internet, each node has a complete backup
2. It records all Bitcoin transfer transactions since the birth of Bitcoin.
3. The ledger is stored in partitioned blocks, each containing a portion of transaction records. Each block will record the id of the previous block, forming a chain structure, hence the blockchain
4. When you want to initiate a bitcoin transaction, simply broadcast the transaction information to the p2p network. The miner records your transaction information as a new block to the blockchain and the transaction is completed.

in essence, the simple meaning of blockchain is the ledger that records all transactions of cryptocurrency.

Blockchain is A global network of computers uses blockchain technology to jointly manage the database that records Bitcoin transactions. That is, Bitcoin is managed by its network, and not any one central authority.

Based on a research i have done the blockchain is a digital ledger in which transactions made in bitcoin or another cryptocurrency are recorded chronologically and publicly.
"we can actually have a look at the blockchain and see evidence of what's going on". And blockchain is being known by this days.

Blockchain is a technology introduced with Bitcoin by one or a group calling itself Satoshi Nakamoto which was originally used to record the financial transactions of bitcoin.

The blockchain is perhaps the main technological innovation of Bitcoin. Bitcoin isn’t regulated by a central authority. Instead, its users dictate and validate transactions when one person pays another for goods or services, eliminating the need for a third party to process or store payments. The completed transaction is publicly recorded into blocks and eventually into the blockchain, where it’s verified and relayed by other Bitcoin users. On average, a new block is appended to the blockchain every 10 minutes, through mining.

The blockchain is an undeniably ingenious invention – the brainchild of a person or group of people known by the pseudonym,  Satoshi Nakamoto. But since then, it has evolved into something greater, and the main question every single person is asking is: What is Blockchain?“The blockchain is an incorruptible digital ledger of economic transactions that can be programmed to record not just financial transactions but virtually everything of value.”
By allowing digital information to be distributed but not copied, blockchain technology created the backbone of a new type of internet. Originally devised for the digital currency, Bitcoin,  (Buy Bitcoin) the tech community is now finding other potential uses for the technology.

Blockchain is a technology that securely transfers data based on a very complex coding system, similar to a company's accounting ledger, where cash is closely monitored.

Blockchain is A global network of computers uses blockchain technology to jointly manage the database that records Bitcoin transactions. That is, Bitcoin is managed by its network, and not any one central authority. :) :)

bitcoin is a blockchain . but blockchain is not bitcoin.. blockchain is bitcoins underlying technology but the  technology  itself has g8 value.the first reason is dat wid blockchain technology  being born the bitcoin. Blockchain is A global network of computers uses blockchain technology to jointly manage the database that records Bitcoin transactions. That is, Bitcoin is managed by its network, and not any one central authority. :D

It is hard to explain and to understand for the newcomers what the right mening of blockchain.
But blockchain is an indefinite digital ledger of economic transactions that can be programmed to record not only financial transactions but most of the value. Its truly a mechanism to bring everyone to the highest degree of accountability

Blockchain for me is the next generation of the internet as we know it and Blockchain worldwide online database which anyone anywhere with an internet connection can use it is "decentralized", meaning the blockchain ledger is shared among all computers around the world, not in one central location.

Blockchain is essentially the backbone of the structure of bitcoin. Like internet to email and blockchain hold the transaction information in a ledger and shared to peer to peer computer. Here's a video to know the blockchain easily : https://www.facebook.com/playgroundenglish/videos/639491673050833/ Credit to owner: Playground+ facebook page.

Blockchain is the next generation of the internet as we know it… It’s a technology that has many applications and holds vast promise for every business, society and individual person. blockchain consists of concatenated blocks of transactions that allow the person to share digital ledger across a network of computers without the need of central authority. No single organization or party have the authority to tamper with your transaction records.

Blockchain is a system that does not use such third parties. In essence, records of transactions that have occurred, stored by many computers scattered in the network itself. So it would be harder to hack a system of hundreds or thousands of computers, and chances are small for all of those computers to be interrupted at the same time.

So if you for example pay for your coffee using Bitcoin (one of cryptocurrency), Bitcoin for the payment of the coffee is transferred from your Bitcoin address to your Bitcoin cafe address in peer-to-peer. And these transactions will be recorded on all the computers scattered in the Bitcoin network.
https://www.andryo.com/img/pembelian-kopi-dengan-bitcoin.jpg

Blockchain is the technology being used to build bitcoin. The transaction being made is saved into their server and it is consist of multiple password so that it wont be that easy to tamper.

A blockchain, originally block chain, is a continuously growing list of records, called blocks, which are linked and secured using cryptography. 

I think Blockchain is a decentralized ledger technology that uses cryptography to secure the data it stores.It is expected to bring a revolution in all industrial domains as it holds a promising future from computing as well as business aspects. It provides greater data security which has come of at most importance in this day and age.

Blockchain is a digital ledger in which transaction are made in bitcoin or another cryptocurrencies are recorded chronologically and publicly.

The blockchain is a public ledger where every bitcoin transaction is recorded. The ledger is maintained by a network of communicating computers running bitcoin software. It operates without any central authority.

The Blockchain is an incorruptible digital ledger of digital currency transaction. This Hosted by millions of computer simultaneously and that allow to access anyone in the Internet. Also this haven't centralized version. Hence thin cannot have controlled by any single entity or single point failure. Publicly can access many people at the same time.it kind of a shared ledger. One of the main advantage is that Blockchain able to cut out the middleman from their transaction. Blockchain security methods use encryption technology. That are called public and private keys. Public key is a user address on the Blockchain and private key is the access key of their digital assets.

Thanks

Blockchain is bitcoin’s underlying technology. A blockchain is a database that is distributed to be placed in a non-secure environment that existing data cannot be tampered with.  In the language of cryptocurrency, a block is a record of new transactions (that would mean the location of cryptocurrency, medical data or even voting records. Once each block is completed it’s added to the ever growing chain, creating a chain of blocks hence the term blockchain. Most blockchains are decentralized which means the miners that organize the block are not working as part of one institution.

From the software development point of view Blockchain is a hybrid of distributed p2p-like network and subversion-like logging system, based on strong cryptographic algorithms.

Blockchain is a technology for storing record data or transaction data, and I think it can only be used online because bitcoin can only be accessed by internet.

Blockchain was invented by Satoshi Nakamoto in 2008 for use in the cryptocurrency bitcoin, as its public transaction ledger.[1] The invention of the blockchain for bitcoin made it the first digital currency to solve the double-spending problem without the need of a trusted authority or central server. Blockchains are secure by design and exemplify a distributed computing system with high. By design, a blockchain is inherently resistant to modification of the data.

Born in 2009, Blockchain technology was created to remodel the circulation scheme. By the way, transactions between A and B can occur without intermediaries, in a shorter time, cheaper, and even much more secure, than transactions offered by banks or other similar institutions.


How can?

Blockchain is simply an online global database-one that can be used anywhere in the world connected to the internet. Unlike other databases that are usually owned by certain institutions such as banks or governments, Blockchain does not belong to anyone. Make it more transparent because it can be accessed by anyone.

Like the parent ledger in the bank that records all customer transactions, Blockchain also records all transactions the user performs. It's just that, if the parent book only can be seen and checked by the authorities in the bank, then all transactions through Blockchain can be seen by all users. Because the Blockchain information warehouse is permanently stored throughout the network of its users, because the information collected is also distributed to everyone.

So how do data sets of people-unattended third-party institutions-could be a safer place? The key, is the number of Blockchain users. The more users, the more difficult it is to hack.

The transactions that occur will be recorded by the users' computers at once announced for verification. The transaction records are then combined with other transaction records, then tied-or chained-in chronology. Records of the transaction are then called blocks. And that barrage of blocks is called Blockchain.

Bitcoin is a blockchain. Blockchain is a digital ledger that is continuously growing list that called blocks. It records the transaction between two partie and recorded accordingly and publicly.

I think the block chain is to link each individual in the industry with the block chain, which can make our work more efficient and make life more convenient.

Blockchain is pretty much a bunch of computers that use Blockchain technology. They work together to keep records of every single transactions per coin.

go to myetherwallet.com and just follow the popup , it will explain everything so simple that even i could understand what it is ;)

Most of the world of cryptocurrency technologies such as Bitcoin rely on a database form with the advantage of being able to track large and secure transaction volumes and the technology that many digital currencies use is Blockchain.

Block (a chain of blocks) is a distributed database, in which storage devices are not connected to a common server. This database stores an ever-growing list of ordered records, called blocks. Each block contains a timestamp and a link to the previous block

Blockchain is a public ledger that can be accessed by the public. Blockchain shows all the transaction data that ever happened inside the Bitcoin network. You can visit sites like blockchain.info which will make it easier for you to monitor what's going on inside the Bitcoin blockchain.

We can say that Bitcoin is the Blockchain, but on the other hand, the Blockchain Bitcoin does not can to be. Blockchain is a trading system integrated with a modern technology. We can move on Developement to a lot of progress through Blockchain. BTCBTCBTC

The blockchain is a public ledger of information collected through a network that sits on top of the internet. It is how this information is recorded that gives blockchain its groundbreaking potential.

A blockchain, originally block chain, is a continuously growing list of records, called blocks, which are linked and secured using cryptography. Each block typically contains a cryptographic hash of the previous block, a timestamp and transaction data. By design, a blockchain is inherently resistant to modification of the data. It is "an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way". For use as a distributed ledger, a blockchain is typically managed by a peer-to-peer network collectively adhering to a protocol for inter-node communication and validating new blocks. Once recorded, the data in any given block cannot be altered retroactively without the alteration of all subsequent blocks, which requires collusion of the network majority.

Blockchains are secure by design and exemplify a distributed computing system with high Byzantine fault tolerance. Decentralized consensus has therefore been achieved with a blockchain. This makes blockchains potentially suitable for the recording of events, medical records, and other records management activities, such as identity management, transaction processing, documenting provenance, food traceability or voting.

Blockchain was invented by Satoshi Nakamoto in 2008 for use in the cryptocurrency bitcoin, as its public transaction ledger. The invention of the blockchain for bitcoin made it the first digital currency to solve the double-spending problem without the need of a trusted authority or central server. The bitcoin design has been the inspiration for other applications

Blockchain is the most popular ledger in all cryptocurrencies transaction. Blockchain is digital, decetralized, open ,public, distributed ledger. It is continuously growing list of record which is called blocks and it is linked using cryptography. It records the history transaction that happens between two parties.

Blockchain was first implemented in 2009, and was revolutionized with Blockchain 2.0 in 2014. Blockchain technology consists of blocks that hold transactions, where each block is interconnected through cryptography, thus forming a network.

Blockchain is the technology that runs Bitcoin.Blockchain is the concept and Bitcoin is the implementation.Blockchain is a public distributed database holding encrypted ledgers.Blockchain will do to Technology what the Internet did to Communication

Blockchain is a digital ledger in which transactions made in bitcoin or another cryptocurrency are recorded chronologically and publicly.

A blockchain is the world's leading software and it is decentralized, distributed, public digital records. It manage the database and developed as accounting method for virtual currency and it records the transaction between two parties chronologically and publicly. This record cannot be altered.

About blockchain is an integrated transaction logging technology with modern technology, which has a unique, irrevocable code that revolutionizes the workings of the Internet, banking and other things. comes from Block and Chain which each has its own meaning. Block is a special limitation to accommodate all transaction changes that occur during the chain process. chain is a unique chain record and is the path of all consistent stages of a transaction. Advantages Data delivery occurs instantly and efficiently. All transactions and data storage are secure because they are replicated across the blockchain network so that to change one data the hacker must also change the same data across all other user's computers at the same time.

Block-chain
Is a digital ledger in any transactions are made of bitcoin or the other currency,recorded chronologically and publicly
The blockchain,originally block-chain is continuously the list of records,called blocks.

Blockchain was invented by Satoshi Nakamoto in 2008 for use in the cryptocurrency bitcoin, as its public transaction ledger.

https://www.youtube.com/watch?v=SSo_EIwHSd4

this

Blockchain isn't a single technology,rather it's an architecture that allows disparate users to make transactions and then creates an unchangeable record of those transactions.

is a hierarchical database that stores information in information blocks that are interconnected by encryption and expands over time. Each block of information contains initialization time information and is linked to the previous block with a time code and transaction data.

blockchain is a public ledger consisting of blocks. Everyone can see what is inside the blocks, therefore it's completely transparent. It's the main technology behind the bitcoin currency.

Bitcoin depends on a distributed ledger system known as the blockchain. The blockchain is possibly the most powerful innovation associated with Bitcoin, as count less industries from financial services to healthcare have begun contemplating how to leverage the technology for their own uses. So it’s worth asking. What is a blockchain?

Blockchain is a shared immutable ledger for recording the history of transactions. A business blockchain, such as IBM Blockchain and the Linux Foundation’s Hyperledger Project, provides a permissioned network with known identities. And unlike Bitcoin, there is no need for cryptocurrency exchange. ;) ;)

A feature of a blockchain database is that is has a history of itself. Because of this, they are often called immutable. In other words, it would be a huge effort to change an entry in the database, because it would require changing all of the data that comes afterwards, on every single node. In this way, it is more a system of record than a database.  :) :)

I like Blockchain Technology, but nowadays technology need speed,less power consumption,less hardware cost,security. but i dont know about speed of Blockchain and hardware cost is too high and power consumption also too high. so really Blockchain Technology will grow in future?

Bitcoin is a decentralized, public ledger. This ledger is known as a blockchain.  :)

Many have posted great explanation what blockchain is but this questiin have been asked a hundred tines in the forum.  You should have search it here or You know you can also put what you ask in google and there will ne an instant answer. Also there will be videos from youtube what blockchain is.

Bitcoin is a great example of Blockchain. But there is one challenge. Bitcoins worth 500 and 70 million dollars were stolen from Mt.Gox and Bitfinex. The money was never traced and the criminals not caught. No Blockchain expert has been able to answer this, so far as i know.

A blockchain is a decentralized, distributed and public digital ledger that is used to record transactions across many computers so that the record cannot be altered retroactively without the alteration of all subsequent blocks and the collusion of the network.

Block chain is a new application mode of distributed data storage, point-to-point transmission, consensus mechanism, encryption algorithm and other computer technologies. The so-called consensus mechanism is a mathematical algorithm for building trust and obtaining equity between different nodes in the block chain system.

The block chain originates from the bitcoin of zhongbencong. As the underlying technology of bitcoin, it is essentially a decentralized database. It refers to the technical solution of collective maintenance of a reliable database through decentralization and trust.

Blockchain was first implemented in 2009, and was revolutionized with Blockchain 2.0 in 2014. Blockchain technology consists of blocks that hold transactions, where each block is interconnected through cryptography, thus forming a network.

Along with the development of digital universe, cryptocurreny in the future has become an increasingly attractive proposition in the market and may not have traditional banking infrastructure. Some developing countries in the world have even implemented a Blockchain-based national currency, such as Bitcoin, and the technology is also used by several large charity projects to help those without bank accounts.

Blockchain also has the potential to be used outside the scope of digital currency, and attracts the interest of many traditional financial institutions to adopt.

In my knowledge, Blockchain is a list of ever-growing records and called as blocks. It is associated and secured using cryptography. Each block is usually contained in previous block cryptographic hash, timestamp and transaction data that have been made previously. By design, the blockchain is actually resistant to data modifications. It is open led logging and has the ability to record transactions between two parties agile in a verifiable and permanent way.

a public ledger that can be accessed by the public. shows all transaction data that ever happened in bitcoin network

Blockchain is a public ledger that can be accessed by the public. Blockchain shows all the transaction data that ever happened inside the Bitcoin network. You can visit sites like blockchain.info which will make it easier for you to monitor what's going on inside the Bitcoin blockchain.

Blockchain is a new technology recently mentioned. If voted for the most outstanding new technology of the year in recent years it was invented in 2017, then surely blockchain and application to virtual currency, such as Bitcoin will be named.

BlockChain is an integrated transaction logging technology with modern technology, which has a unique, immutable code that revolutionizes the workings of the Internet, banking and other things. The development of Blockchain and Bitcoin Technology in Indonesia has started rapidly since 2015.

The Government or any organisation doesn't print digital currency like conventional currency.Each digital coins was created in a complex calculating system called mining.Every transaction of all crypto-currencies is monitored through a wide network connected to numerous computers spread around the world.And this broad network is called Blockchain.

a distributed ledger
data stored on the blockchain will be publicly accessible, and of course transparency is the main feature of this blockchain

Blockchain is a technology that records transactions that occur in bitchoin, this blockchain is a data structure that can not be changed only can be added only. Each data from blockchain is connected to each other where there is a change in one of the data block it will affect the next data . With this blockchain every transaction from bitcoin is stored in an Open Ledger (Ledger) distributed into bitcoin network. Each blockchain will be distributed to each computer connected to the network. In each addition data will be checked whether the data is valid or not that usually this process is called by mining or known in other term Proof of work.

The block chain is actually a distributed database, and you can also understand a kind of mutual trust that it has agreed on. The block chain can make the cooperation between various industries more convenient, and can bring more opportunities for development.

The blockchain used to be used mainly in bitcoins, and in the last six months, the blockchain has gradually started to have some other applications, especially in the financial sector.

Blockchain technology refers to a way for people to participate in bookkeeping. All systems have a database behind it, and you can view the database as a big ledger.

BlockChain is a transaction logging technology integrated with modern technology as well as general ledgers that can be accessed by the public. Blockchain also shows all the transaction data that has occurred inside the Bitcoin network.

Blockchain is a recording system or database that is widespread in the network.

https://www.youtube.com/watch?v=8o9QxMxhTp8

maybe this helps you out.

A good explanation of Blockchain - http://www.ccreview.com/technology/what-is-blockchain/

probably still many who do not know the work and the meaning of blockchain in detail also sometimes do not know the rules in this forum, thanks to your posting is very meaningful for beginners.
this will be useful forever.

well i can explain giving you example which can related of transfer of money .suppose a guy wants to transfer money from USA TO Australia if he uses bank  it creates middle man and it may take time also. what blockchain does is that you can transfer  from one person to another with out middle man and its faster than bank . its peer to peer thing. once you put a data in blockchain you can never remove it and every one can see how much money you have transfer from person to another

My opinion, blockchain is like traditional ledger and the transaction put on block. Blockchain require internet connection because the data spread around the world and I think its not run on offline

Blockchain was invented by Satoshi Nakamoto in 2008 for use in the cryptocurrency bitcoin, as its public transaction ledger(like in accounting, used as a list of all transactions). The invention of the blockchain for bitcoin made it the first digital currency to solve the double-spending problem without the need of a trusted authority or central server. Block chain tells how, when and where bitcoin is used.

- Bitcoin is dependent on blockchain the underlies and structures the system. The blockchain is vertebrea of the protocol and the glue that holds the network together.
- A blockchain is a digitized, decentralized, public ledger of all cryptocurrency transactions. Constantly growing as ‘completed’ blocks (the most recent transactions) are recorded and added to it in chronological order, it allows market participants to keep track of digital currency transactions without central recordkeeping. Each node (a computer connected to the network) gets a copy of the blockchain, which is downloaded automatically.

BLOCKCHAIN is a digital ledger in which transactions made in bitcoin or another cryptocurrency are recorded chronologically and publicly. You cannot use it when your offline because blockchain flow through internet. Blockchain is like receipt record all what we do on crypto. 

Blockchain is coin's underlying technology. A blockchain is a distributed database placed in a non-secure environment that uses cryptographic methods to ensure that existing data cannot be tampered with. And consensus algorithms are used to reach consensus on new data.

Blockchain is improved and develped by Satoshi Nakamoto, it is the underlying technology of bitcoin. Basically each certain block is connected with one another each connected sides are encrypted called "hash" the hash is dependent to the previous hash so changing the other one will also affect the connected blocks which makes the blockchain tampered proof or impossible to hack, bitcoin uses this technology as a ledger, different computers around the world are making this technology works, when a computer makes a process it has to validate by all of the computers that connected to the network and if its validated it will be added to the blockchain

Blockchain is a public register in which transactions between two users belonging to the same network are stored in a secure, verifiable and permanent way. The data relating to the exchanges are saved inside cryptographic blocks, connected in a hierarchical manner to each other. This creates an endless chain of data blocks — hence the name blockchain — that allows you to trace and verify all the transactions you have ever made.

Blockchain is a technology introduced with Bitcoin by one or a group calling itself Satoshi Nakamoto which was originally used to record the financial transactions of bitcoin.

Simple blockchain is a data structure that can not be changed can only be added only. Each data from this blockchain is connected where if there is a change in one of the data block it will affect the next data.

With this blockchain every transaction of bitcoin is stored in an Open Ledger (Ledger) which is distributed into bitcoin networks. Each blockchain will be distributed to each computer connected to the network. In each addition of data there will be check whether the data is valid or not which is usually called mining process or known in other term Proof of work.

There are several elements in the blockchain that is Hash, Block & Proof of work data. Here we discuss one by one  :D

What is blockhain? The underlying technology of cryptocurrencies, is less mysterious today than it was six months ago, but the question, what is blockchain, is yet to be satisfactorily answered. How does it work and what will be its impact? What can I do to turn it into a business ally? Since blockchain and cryptocurrencies work on the basis of customer anonymity, many have natural apprehensions, since identity is central to financial services. You can watch this https://m.youtube.com/watch?v=SSo_EIwHSd4

Its a common technology for storing databases decetralized.
All information stores in blocks, all blocks cryptographicly secured

Blockchain (with mining) is a decentralised concensus system. In the real world I can give you something and you would own it. But on the internet this is not so easy - you could just copy the information and we'd both own it.

Bitcoin solves this problem by mining - a lot of energy is put in creating a "thread" of blocks (called the blockchain) that prevent you from creating false ownership.

It's a really boring form of digital gold.

Blockchain Technology is a buzzword used by companies who don't understand what it is. They think they can take the mining part and the decentral part out of it. You can, but you'd just get a plain old SQL/Oracle database.

A (bitcoin) blockchain is a database where you can rely on the records/entries to be legitimate since falsifying them is expensive and requires consensus. The older an a entry is, the more expensive it becomes to manipulate it.

In a traditional database, the records can be manipulated by the administrator of the database at will.

As you can imagine, for a currency system where no one should be in control, we can't use a traditional database where someone has admin access. We use a blockchain.

Blockchain is about cryptography to keep exchanges secure, i know a little bit in block chain and if you need more about blockchain i search in dictionary,
According to Dictionary about Blockchain is a digital ledger in which transactions made in bitcoin or another cryptocurrency are recorded chronologically and publicly.
i hope this is help for you  :) try to read more about it.

Blockchain is where the Bitcoin is build and it is consist of multiple password. Also blockchain is the one responsible for the anonymous transactions. It is where the records are placed but it is not like the traditional database that the admin can change or tamper the records.

In a simple way, blockchain is like an internet, it's connected and contain data
internet's data can be copied, modified, remixed, edited, and screenshotted without our control,
BUT blockchain is the strongest defense to ensure our data, files, or money can be transferred securely
AND blockchain is a decentralized system, it means blockchain removes the middleman in transactions and the access can be shared between two trusted parties

Blockchain-the transactions made of bitcoin or digital ledger in cryptocurrency,
Chronologically,and publicly.the block -chain,originally is continuously the list of records,called blocks.

The “block” represents a number of transactional records, and the “chain” component links them all together with a hash function. As records are created, they are confirmed by a distributed network of computers and paired up with the previous entry in the chain, thereby creating a chain of blocks, or a blockchain.

Studying blockchain is a bit confusing, just as I started learning the very confusing blockchain. Blockchain is one of the technologies behind the development of Cryptocurrency which is simple. Blockchain is a data structure that can not be changed only can be added only. Any data from Blockchain are connected, if there is a change in one of the data block it will affect the next data. With blockchain every transaction of bitcoin is stored in an Open Ledger distributed into a bitcoin network. Each blockchain will be distributed to each computer connected to the network. On each addition of data there will be check whether the data is valid or not, this process is called mining.

Most of the world of cryptocurrency technologies such as Bitcoin rely on database forms with the advantage of being able to track large and secure transaction volumes. The technology used by many digital currencies is Blockchain.

Don’t forget about the best feature of blockchains: It’s verifiable. Everything is open for anyone to easily audit and verify it. And because you may or may not be technical enough to check every blockchain directly.

I think you would be pretty familiar with the programming and the coding language so the deal is in simple terms blockchain is a program that is completely unique and it in fact brought revolutionary break though since it was invented.
It's kind of linked blocks ( transaction or value processing points ) wherein the whole system is as a whole secured using cryptography.
( Search a lil about cryptography ( related to coding and stuff not the chemistry one ) )

All of a sudden, blockchain is everywhere. The technology, which was invented in 2008 to power Bitcoin when it launched a year later, is being used for everything from copyright protection to sexual consent (yes, really).

Considering the daily churn of news around blockchain, not to mention the skyrocketing value of Bitcoin and other cryptocurrencies that rely on the technology, you may be wondering what the hell blockchain actually is. It’s actually a pretty simple concept, though things quickly get more complicated the harder you look.

With that in mind, here are a few different ways to wrap your head around blockchain, from straightforward definitions to far-reaching metaphors.

blockchain uses a decentralized system that enables efficiency. When a person buys a bitcoin coin, a computer system connected to a blockchain network will record and provide validity automatically. So, minimal error, fast, cheaper and easier.

Blockchain takes advantage of consensus, a condition that is achieved when all participants in the network agree on the validity of a transaction by recording what is recorded by the computer in large data matching each other.

The blockchain is a digital ledger where transactions involving cryptocurrencies happens. Also, Blockchain is a technology that securely transfers data based on a very complex coding system, similar to a company's accounting ledger, where cash is closely monitored for the use of individuals.

Blockchain is an open and distributed ledger with continuously growing list of records (blocks). Blocks are linked in secured manner using cryptographic techniques.
A Block contains;
a.      Index
b.      Previous block’s hash
c.      Timestamp
d.      Data (Transaction – related to Cryptocurrency)
e.      Digital Signatures
f.       Nonce (Proof of work )
g.      Hash

Advantages
a.      Double spending proof
b.      Decentralized System
c.      Peer-to-peer network
d.      Low or No Transaction Fees
e.      High security (cryptographic techniques)
f.       Maintain anonymity

Disadvantages
a.      Need high computational power (not for normal users)
b.      Power consumption
c.      Updating the system is very difficult

Bitcoin is a blockchain, but blockchain is not Bitcoin.
 Blockchain is Bitcoin's underlying technology.
The first reason is that with blockchain technology being born with Bitcoin, it can be said that without Bitcoin, blockchain technology may be much later.

I only know little about blockchain, I think blockchain is a data structure that can not be changed can only be added only. Each data from this blockchain is connected where if there is a change in one of the data block it will affect the next data. With this blockchain every transaction from bitcoin is stored in an Open Ledger (Ledger) which is distributed into bitcoin networks. Each blockchain will be distributed to each computer connected to the network. In each addition of data there will be check whether the data is valid or not which is usually called mining process or known in other term Proof of work.

Originally a block chain, is a continuously growing list of records, called blocks, which are linked and secured using cryptography.Blockchains are secure by design and exemplify a distributed computing system with high Byzantine fault tolerance. Decentralized consensus has therefore been achieved with a blockchain.well this is just a brief.

Block chain system is the publicly distributed ledger system which records all the bitcoin transactions carried out from all over the globe, the bitcoins and block chain system has brought a revolutionary change in the financial industry for transferring funds and making payments through bitcoin network world wide for products and services offered from any part of the world. All the transactions are recorded in the block chain technology which can be tracked by all and there is no hidden transactions and so no manipulation in the transactions which means the transactions are clear and transparent.

Blockchain is, first of all, complete transparency and trust between all participants in the chain. Imagine that you can trace every dollar that you donated on your smartphone to the Red Cross, from the starting point to the end, to the specific person who was helped by your money. In this is the great strength of Blokchain technology.

If there is a Blockchain revolution, then we will move from Internet, where the monitoring, mediation and monetization of information and transactions in the network, to the Internet, motivated by a reduction in the cost of the generation, regulation and implementation of public and commercial agreements focusing on ethical, security, cooperation, inviolability of personal data in all transactions and in the creation and distribution of values. This is a reversal of the strategy by 180 degrees. The result can be the economy of equitable participants with institutions that will be truly distributed, barrier-free and giving new opportunities. The new platform fundamentally redefines what and how we can do online and who participates in it, and thus is even able to create technological conditions for solving the most pressing social and economic problems.
If this task can not be coped, then the promising technology of blockchain will be limited or even destroyed. Worse, it can turn into an instrument of powerful institutions by which they will protect their fortune, or, if it is accessed by the government, into a platform for a new society of total surveillance. Closely related technologies of distributed software, encryption, autonomous agents and even artificial intelligence can get out of control and turn against their creators.

Blockchain is a security system that contains bitcoin user data that is connected between one bitcoin user's computer with another bitcoin user's computer. The blockchain security system is governed by every computer user connected to a blockchain network, so it can be said that the blockchain system has no control center.

Most of us use banks to make transactions. A blockchain will allow consumers and suppliers to connect directly, removing the need for a third party. Blockchain therefore, provides a decentralized database, or “digital ledger”, of transactions that everyone on the network can see. This network comprises of a chain of computers that must all approve an exchange before it can be verified or recorded.

as I know, Blockchain can make sure all transactions are done properly, recorded and stored securely, the history of the transactions is also publicly accessible. Interestingly enough, the recording of transactions that can be stored in the Blockchain does not only work for financial transactions. There are many other uses that can be handled and recorded into Blockchain.

the reason why Bitcoin needs to be talked about: The first reason is that with blockchain technology being born with Bitcoin, it can be said that without Bitcoin, blockchain technology may be much later. Many years may or may not happen. Second, Bitcoin is the most successful and most mature example of industrialization of blockchain technology. Of course, it is not suitable for all scenarios because it is only a digital currency type. Public chain

I really agree about your point. Maybe Bitcoin is not a perfect cryptocurrency, but it should be the first practical product of blockchain.

And, "technology always comes from human nature", most people always want to earn big money in short time, so the blockchain technology advances faster and faster!

Probably the most concise and easy to understand explanation I have seen.

Blockchain is also for use outside of digital currency, and attracts many traditional financial institutions to adopt.

Its a digital ledger in which transaction made in bitcoin or another cryptocurrency are recorded chronologically and publicly.

In addition to what everyone said, that is something that truly changes many businesses, from donations to De Beers diamonds, art dealing, banking etc.

Blockchain is the world's leading software platform for digital assets. Offering the largest production block chain platform in the world, we are using new technology to build a radically better financial system.
Other term which blockchain do is the most trusted public distributed ledger system which records all the bitcoin transactions through the entire world of digital currency.

If I want to compare blockchain with our traditional banking system. Blockchain can be liken to your statement of account. It is where you have accurate record of every digital currencies transaction.

By allowing digital information to be distributed but not copied, blockchain technology created the backbone of a new type of internet. Originally devised for the digital currency, Bitcoin,  (Buy Bitcoin) the tech community is now finding other potential uses for the technology.

For me the Black chain is the data that has automatic computation of stock like stock exchange in your country, that is similar to them all numbers you want to view all computation you want to know the Black chain are ready to serve you and provide you better. all history of price value and current value are also provide anytime  by black chain.

Blockchain is the digital asset platform, this technology is leading software platform for only digital currency, this is the latest technology can change the world, bitcoin and all other altcoins and crypto coins are generated from block chain technology, many companies now days using blockchain technology

   Blockchain introduced us to decentralized technologies. Thanks to this technology, the platforms came out in the hands of a single force. Power passed into the hands of the majority. Moreover, it was possible to carry out operations without interruption and without intermediary. People will be able to transfer data from one end to another without the need for any intermediary factor. The fees for these transactions are very low. It is also almost impossible to destroy stored and processed data.
   Blockchain is reshaping the concept of technology...

A blockchain is a digitized, decentralized, distributed and public ledger of all digital cryptocurrency transactions. Blockchain is a revolution in technology development and is foundation for designing cryptocurrencies.

Blocking, in essence, is a distributed account book of records about events in the digital world. This system is distributed and available to many users. Entries can only be made with the consent of most users.

The technology of building bitcoin is a Blockchain. it contains the history of all transactions

Blockchain is a ledger that records all Bitcoin transactions. Blockchain was first implemented in 2009, and was revolutionized with Blockchain 2.0 in 2014. Blockchain technology consists of blocks that hold transactions, where each block is interconnected through cryptography, thus forming a network.

I know that blockchain is a storage place for online currencies like bitcoins. Blockchain is a technology introduced with Bitcoin by one or a group calling itself which was originally used to record the financial transactions of bitcoin.

 What Is A Blockchain ???? how work
???

The blockchain is the list of records of all transaction in cryptocurrency world. This contains of blocks which is all transaction is written inside. This is the latest technology that help the community to record all important transaction and more company use this blochain.

thank you so much!

Actually, Blockchain is a continuously growing list of records, Which is used to link and secure cryptography. A blockchain is a distributed database placed in non-secure environment that uses cryptographic methods to ensure that existing data cannot be tampered with.

I think of it like the departures and arrivals board at stations or airports. Each one is updated at the same time with information which is kept on blocks (ledgers, as in like accounting), with new information constantly being added to the board. This info is logged by nodes (systems that hold their own copy of the the ledger) all with the same departures and arrivals board.

Now apply that crypto coins, and you will see how it works. If someone buys or sells a coin, all the nodes are notified, make a note of the transaction, and the ledger is updated. This information grows and grows into a chain - a continually growing one.

Blockchain is the world's largest offering of digital block production platforms for digital assets. All the chain block systems have brought about revolutionary changes in the financial industry to transfer funds and make payments through bitcoin networks around the world for products and services offered from any part of the world and digital information is distributed but not copied, blockchain technology creates the backbone of a new type of internet . Originally designed for digital currencies, the Bitcoin technology community, (Bitcoin Buy) is now discovering other potential uses for technology and building a radically better financial system.

Currently I am storing in Coinbase, Blockchain.info and Unocoin. I dont have much. My next plan is store in Desktop wallet and Papper wallet. Now I am learning about it. I am not trusting 100% in online wallets.

yeh, bitcoin is a blockchain, but blockchain is not bitcoin. because of blockchain is the ledger that records transactions cryptocurrency.

A blockchain network can either be public or private based on who is authorised to participate. The essential difference between a public and private blockchain is that one operates in a decentralised open environment where there are no restrictions on the number of people joining the network, while the other operates within the confines defined by a controlling entity. A simple analogy is the difference between the Internet and the intranet. While the inherent technology for networked computers remains the same, there is a big difference between the dynamics and utility associated with a closed network (such as a home network) and an open network (such as the Internet).
In reality, this difference plays out based on how ‘nodes’ are incentive to remain a part of the network. The key idea here is that in a public blockchain, the consensus mechanism is based around rewarding each individual participant to remain a part of the network. In a private blockchain, the need for creating this incentive does not exist.

Technically, it is a vast network of studded "nodes", formed by servers, which are as many voluntary participants in this system. This network constitutes a decentralised database: All transactions are recorded and accessible to the public. This is the case today for Bitcoin, and tomorrow for payment systems or even registrations in the cadastre. It is the computer servers of the participants that feed this database in computational power.

As for me, blockchain is the world's largest offering of digital block production platforms. All the chain block systems have brought about revolutionary changes in the financial industry to transfer funds. It also makes payment through bitcoin networks around the world. Hence, blockchain technology creates the backbone of a new type of internet in the world. It was also originally designed for digital currencies, the Bitcoin technology community.

Blockchain is where bitcoin and other cryptocurrencies exist. The blockchain is also used for other applications other than cryptocurrencies, such as running smart contracts,  In short, the blockchain is a digital ledger that is decentralized. It stores records of all transactions that occur within it and is run by a peer-to-peer network. This means that individuals and businesses use it to transfer digital assets to each other through the Internet.

Studying blockchain at first will lead to a little confusion. Just like the beginning I studied blockchain is quite very confusing. blockchain is a data structure that can not be changed can only be added only. Each data from this blockchain is connected where if there is a change in one of the data block it will affect the next data. With this blockchain every transaction from bitcoin is stored in an Open Ledger (Ledger) which is distributed into bitcoin networks. Each blockchain will be distributed to each computer connected to the network. In each addition of data there will be check whether the data is valid or not which is usually called mining process or known in other term Proof of work.

Blockchain is internet version 2.0 .. Blockchain technology consists of blocks that hold transactions, where each block is interconnected through cryptography, thus forming a network. Bitcoin is the first implementation of Blockchain technology. Most of the world of cryptocurrencies technologies such as Bitcoin rely on database forms with the advantage of being able to track large and secure transaction volumes.

Blockchain is essentially a distributed and well-protected database. The whole thing is how this whole thing is organized.

The BlockChain system is an integrated transaction logging technology with modern technology, which has a unique and irreversible code that revolutionizes the workings of the Internet, banking, and other things.

blockchain is a truly revolutionary, fundamentally different way of storing and transmitting information over the network, which has a lot of options for practical use.

A public ledger that can be accessed by the public. Blockchain shows all transaction data that has occurred in a bitcoin network. You can visit sites like blockchain. Info will make it easier for you to monitor what happens inside the blockchain bitcoin

blockchain is the place to record All Transactions People Already Do

blockchain is a public ledger that can be accessed by the public. Blockchain shows all transaction data ever occuring within a bitcoin network. blockchain uses a decentralized system that enables efficiency. When a person buys a bitcoin coin, a computer system connected to a blockchain network will record and provide validity automatically. So that the minimum error, faster cheaper and easier. bitcoin itself is the first currency running on the network without the need for central intermediaries or publishers thanks to the decentralized blockchain

Imagine a table that has been duplicated thousands of times in a computer network. Then imagine that this network is designed in such a way that it regularly updates this table - and you already have a general idea of the blockbuster.

Blockchain is a public ledger that can be accessed by the public. Blockchain shows all the transaction data that ever happened inside the Bitcoin network. You can visit sites like blockchain.info which will make it easier for you to monitor what's going on inside the Bitcoin blockchain.

Blockchain is wallet which is started at the beginning of bitcoin. It's usually use transaction for our client, specially when i transact Blockchain to another wallet because its faster than existed wallet which is familiar among us. What is your opinion guys ?

A blockchain is a digital and public ledger which is serves as the record book of every transactions inside the bitcoin. It records the database of transaction between two parties which is called blocks and it records publicly and chronologically.

Blockchain is a data structure that can not be changed can only be added only. Each data from this blockchain is connected where if there is a change in one of the data block it will affect the next data. With this blockchain every transaction from bitcoin is stored in an Open Ledger which is distributed into bitcoin networks.

Blockchain is is a continuously growing list of records, called blocks, which are linked and secured using cryptography / watch https://m.youtube.com/watch?v=93E_GzvpMA0

To be clear the entire blockchain is retained on this large network of computers, meaning that no one person has control over its history.  :o :o :o :o  That?s an important component, because it certifies everything that has happened in the chain prior, and it means that no one person can go back and change things. It makes the blockchain a public ledger that cannot be easily tampered with, giving it a built-in layer of protection that isn?t possible with a standard, centralized database of information. 

Blockchain is a system that does not use such third parties. In essence, records of transactions that have occurred, stored by many computers scattered in the network itself. So it would be harder to hack a system of hundreds or thousands of computers, and chances are small for all of those computers to be interrupted at the same time.

Blockchain is the technology the underpins cryptocurrencies. The tech allows digital information to be distributed, but not copied. That means each individual piece of data can only have one owner.

blockchain is a blog that holds transactions, where each block is interconnected through cryptography, thus forming a network.

I am just a newbie with crypto and have learned that blockchain is a kind of technology, a technology used to invent these so called Bitcoin. I might say that this technology was very stable since bitcoin system was still alive up to now. It is like an internet, imagine of a web with many networks where in all data was distributed and stored identically on each network which make the system undistructible and less chance that can be hacked. You might want to read infos regarding blockchain below for more informative sites.

https://blockgeeks.com/guides/what-is-blockchain-technology/

blockchain is a new technology that has advantages over the security of blockchain also can be used to record all existing transactions, blockchain also has a very transparent transactions.

Blockchain 1 database stores information about your Bitcoin address. You can use it to secure your information.

according to my knowledge blockchain technology such as a ledger that can record all existing transactions, and everyone can see it all, not only that the security owned blockchain is also very high.

“The blockchain is an incorruptible digital ledger of economic transactions that can be programmed to record not just financial transactions but virtually everything of value.” - Don & Alex Tapscott, authors Blockchain Revolution (2016). Information held on a blockchain exists as a shared — and continually reconciled — database. This is a way of using the network that has obvious benefits. The blockchain database isn’t stored in any single location, meaning the records it keeps are truly public and easily verifiable.

Blockchain is a digital ledger in which transactions made in bitcoin or another cryptocurrency are recorded chronologically and publicly watch this https://m.youtube.com/watch?v=r43LhSUUGTQ

Blockchain is a decentralized ledger technology that uses cryptography to secure the data it stores. This is the one-liner definition, in a broad sense! Now let’s break it down:

Decentralized, meaning there is no single authority which oversees every transaction that happens. Data travels through a relay of servers connected to the internet, making it virtually impossible to trace the data packet route.
Why is it called a ledger? It stores the data relating to each ongoing transaction, like, digital signatures,the transaction time stamp, the amount(in BTC or equivalent) etc in a block, which after verification is added to the existing blockchain.
Cryptography is a technique which uses mathematical formulations and algorithms to change/mask the actual data. Being over the internet this is a very crucial aspect of blockchain as it preserves the identity of the individuals in the transaction.

Blockchain is a public ledger that can be accessed by the public.

its's same meaning bro, because bitcoin is a blockchain but blockchain is not bitcoin.
blockchain is a public ledger or blockchain is under tecnology bitcoin. ;)

A blockchain, originally block chain, is a continuously growing list of records, called blocks, which are linked and secured using cryptograph. Each block typically contains a cryptographic hash of the previous block. For use as a distributed ledger, a blockchain is typically managed by a peer-to-peer network collectively adhering to a protocol for-node communication and validating new blocks. Blockchains are secure by design and exemplify a distributed computing system with high Byzantine fault tolerance.

Blockchain is the technology being used in bitcoin. Also it is a public ledger where it contains our datas and saved it in a server. Bitcoin is secure by design because it cant be tampered by anyone.

There is no universal  definition of a blockchain, bitcoin system is considered the first blockchain, it is digitizes, decentralized public ledger of all crytocurrency transactions,if the transactions are gathered together in blocks and that is blocks that are secured on the chain using cryptography and it is design to be tamper, resistant and produce immutable records, the system qualifies as a blockchain.

A blockchain is a digitized, decentralized, public ledger of all cryptocurrency transactions. It is constantly growing as ‘completed’ blocks (i.e. recent transactions) are recorded and added to it in a sequential order, it allows market members to keep track of digital currency transactions without central record-keeping. Each node (a computer connected to the network) gets a copy of the blockchain, which is downloaded automatically.

With a blockchain, many people can write entries into a record of information, and a community of users can control how the record of information is amended and updated. Likewise, Wikipedia entries are not the product of a single publisher. No one person controls the information.

Descending to ground level, however, the differences that make [url]https://medium.com/@bitnautic/blockchain-technology-the-future-of-the-trillion-dollar-shipping-industry-aa6f424b3714[url] unique become more clear. While both run on distributed networks (the internet), Wikipedia is built into the World Wide Web (WWW) using a client-server network model.

A user (client) with permissions associated with its account is able to change Wikipedia entries stored on a centralized server.

Whenever a user accesses the Wikipedia page, they will get the updated version of the 'master copy' of the Wikipedia entry. Control of the database remains with Wikipedia administrators allowing for access and permissions to be maintained by a central
 authority.

blockchain is a great book that the recorder operates using modern technology as it uses the internet. blockchain can also be seen by all the people in the world if he has internet access.

built according to certain rules, a continuous chain of blocks (connected list) containing information. Most often, copies of block chains are stored on many different computers independently of each other.Transaction block is a special structure for recording a group of transactions in the Bitcoin system and similar ones. A transaction is considered complete and reliable ("confirmed") when its format and signatures are checked, and when the transaction itself is grouped with several others and recorded in a special structure — a block. The contents of blocks can be checked because each block contains information about the previous block. All blocks are built in one chain, which contains information about all operations ever performed in the database. The very first block in the chain-the primary block-is considered as a separate case, since it does not have a parent block

Blockchain = transparent centralized ledger that employs single entry accounting to keep track of no ones liabilities denominated in a common unit(bitcoin) whose copies are distributed among anyone who wants one.

Bitcoin has no final demand, its just a collection of liabilities that belong to no one. Like if I have $100 in my bank account, someone else has -$100. It always equals out to zero, in bitcoin if I have +100 btc, then what? It isn't backed by a corresponding asset.

Blockchain has the ability to seriously transform how we exchange value, property, and record information. It is so new that we (humans) probably don't really understand all of the possibilities.

Essentially, the blockchain is a technology that distributes "magic books" that everyone, anywhere, or when ever can review; what's really amazing is (in my analogy) that each book automatically updates itself.

In reality, Blockchain technology is a decentralized database that stores a registry of assets and transactions across a peer-to-peer network. It's basically a public registry of who owns what and who transacts what. The transactions are secured through cryptography, and over time, that transaction history gets locked in blocks of data that are then cryptographically linked together and secured. This creates an immutable, unforgeable record of all of the transactions across this network. This record is replicated on every computer that uses the network.

a relative in other currency or banks that use money.

        A Blockchain is the backbone of the digital decentralized public ledger of all cryptocurrency . The Blockchain is the best technology in modern era it is because of this decentralized nature data protection and high speed in data processing, most of the sectors are following this technology to better their services. Blockchain technology is effective in making transactions faster without an intermediary this reduces transaction fees . Government fears this Blockchain technology since it is too straight and this might be a huge step in the digital currency world.

Blockchain is a new application mode of computer technology such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithms. Is a clever application of a cryptographic tool.

What is blockchain? Blockchain is just like a wallet thet you can store your bitcoin,etherium and etc. Because blockchain is an all around working wallet and it's worldwide.

the blockchain is a system that bitcoin use for their core, blockchain is doesn't have the database, but it use all client for their database and updating every new transaction made, and we all know that blockchain is a transparency system,its meant that we can see the all transaction around the world but we can't do anything with transaction for security

Blockchain is a digital ledger wherein the transactions made in btc or any other cryptocurrency are recorded and organized in public. In addition, no one is the admin since all users can access the particular site once they have accounts. Bitcoin is however a type of digital currency that uses techniques to regulate units of currency and verify transfer of funds and working independently. In short, bitcoin can be one of the many applications of blockchain.

Come on try search functio I can remember at least ten similiar questions/threats..

Blockchain is a trading system that is associated with a digital technology. Bitcoin is a blockchain but on the other site blockchain is not Bitcoin. Both are more useful for us.

There are lot of videos in youtube about blockchain and how it works.
According to INVESTOPEDIA A blockchain is a digitizes, decentralized, public ledger of all cryptocurrency transactions. Blocks are being recorded and constantly generating, where recorded data added to it in chronological order, it allows the participants to keep track of digital currency transactions without central record keeping.

Blockchain is a continuously growing list of records called blocks, which are linked and secured using cryptography. Each block typically contains a cryptography hash the previous block, a time stamp and transaction data. By design, a blockchain is inherently resistant to modification of the data. It is "an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way. Blockchain was invented by Satoshi Nakamoto in 2008 for use in the Cryptocurrency Bitcoin as its public transaction ledger. The invention of the blockchain for bitcoin made it the first digital currency to solve the double spending  problem without the need of a trusted authority or central Server. The bitcoin design has been the inspiration for other applications

BlockChain is an integrated transaction logging technology with modern technology, which has a unique, immutable code that revolutionizes the workings of the Internet, banking and other things.

Blockchain is a digital ledger which is responsible for recording every transaction of digital coins like bitcoin and atlcoins in cryptocurrency world.

can say Blockhcain it is the beginning of its form Bitcoin and transactions are all there, we can see Bitcoin transactions out and the time when Bitcoin run from wallet one to another wallet.

Its core is Blockchain's its soul Bitcoin.

Blockchain is one technology that does not use a third party in a process of data exchange which in this case occurs in the transaction process, and the system from Blockchain is also not using the third party as the center, but using many parties or computers scattered in the network itself . Blockchain technology also provides many solutions to reduce corruption that many countries currently experience.

Blockchain is the basis of the bitcoin digital currency. Here's an explanation of what the differences are both.

Blockchain is a decentralized technology it is open and distributed that is continously growing list of records which is called blocks. This is digital ledger made in bitcoin that manage the database of transaction between two parties it is recorded chronologically and publicly.

Blockchain is a decentralized technology that all transaction made another cryptocurrencies are all recorded chronologically and publicly.

Blockchain is a Decentralized technology that utilizes smartcontract that ensure proper working of Cryptocurrencies

BlockChain comes from Block and Chain, each of which has its own meaning. Chain (chain) is a unique chain record and is a plot of all consistent stages of an item / transaction. Block (special box) is a place / boundary / special area to accommodate all item / transaction changes that occur during chain process.
Transactions using Blockchain technology are peer-to-peer, in the sense that a data (can be messages, money, or important information) can be moved from one user to another without the help of a third party to process it.

Along with the development in digital universe. Crypto currency in the future has become an increasingly attractive proposition in the market and may not have traditional banking infrastructure. Some developing countries in the world have even implemented a Blockchain-based national currency such as bitcoin and the technology is also used by some large charity projects to be able to help those who do not have a bank account. 8)

BlockChain is an integrated transaction logging technology with modern technology, which has a unique, immutable code that revolutionizes the workings of the Internet, banking and other things.

Blockchain is made by bitcoin it  is decentralized, digital,open and public ledger. The role of blockchain is to record and manage the data of transaction between two parties inside bitcoin. It is recorded publicly and secured and links with cryptography.

Bitcoin employs the help of blockchain technology. Blockchain technology is a list of records, which in this case is private data of crypyocurrencies, kept and secured using cryptography to ensure high security that no one could be able to tamper. Blockchain technology is mostly known for its help with bitcoin, but it could be applicable to any type of existing technoligy as the innovation and the revolutionary technology would be of much help.

Blockchain are secure by design and exemplify a distributed computing system with high Byzantine fault tolerance. Decentralized consensus has therefore been achieved with a blockchain.This makes blockchain potentially suitable for the recording of events, medical records and other records management activities, such as identity management,transaction processing, documenting provenance, food traceability or voting.

Blockchain is a secured database where it is like a ledger. Blockchain is capable for important records such us medical ones because it is safe and secure so it is not easy to tamper by the admin.

Blockchain is a system that contains interconnected data between a user's computer and another user's computer.
I think for now blockchain system can not be accessed offline, because blockchain can only be accessed via computer and it is not possible you can access offline your computer,

Blockchain is a distributed database system that acts as an “open ledger” to store and manage transactions. Each record in the database is called a block and contains details such as the transaction timestamp as well as a link to the previous block. This makes it impossible for anyone to alter information about the records retrospectively. Also, due to the fact that the same transaction is recorded over multiple, distributed database systems, the technology is secure by design.

Blockchain is ledger that recording the transaction with block and chain one transaction with others. Thats chain always continue and that creating transparancy on distribution.
Blockchain usefull in any purpose and its almost unhackable because the data spread all around the world

In simple aspect it is a system that carried out all the transaction being made by two parties. It can be traced easily due to its link with cryptography and the most secured way of creating decentralized ways of bitcoin transaction.

If we assume that the database is a book, the reading and writing database can be regarded as a kind of bookkeeping behavior. The principle of block chain technology is to find out the fastest and best person who has the fastest account in a period of time. The person is the person to keep the account, and then send the page information to all the others in the whole system. This is equivalent to changing all records of the database to all other nodes in the whole network, so block chain technology is also known as distributed account.

Yes, you are absolutly right! Therefore, governments may be against Blockchain , but I think that in the end we will come to this. Blockchain will help us to start a new life in which there will be no place for lies and fraud.