Jeremycoin (OP)
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September 14, 2016, 11:19:51 AM |
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I know that if just 1 people do it, it won't possible because the miner will check the transaction. But how if everyone tries to do it, I mean like how if they add all of the Bitcoin address a 1 Bitcoin. Would the miner think that those are valid transactions because all the ledger have those transactions in it?
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faucet used to be profitable
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pereira4
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September 14, 2016, 12:15:01 PM |
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How do you pretend that "everyone is going to cheat the blockchain"? In order to do any relevant changes you need control of 51%+ of the network, this is already hard to do, now you explain me how everyone is going to perform a 51% attack? this makes no sense sorry.
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maydna
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September 14, 2016, 12:36:37 PM |
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I know that if just 1 people do it, it won't possible because the miner will check the transaction. But how if everyone tries to do it, I mean like how if they add all of the Bitcoin address a 1 Bitcoin. Would the miner think that those are valid transactions because all the ledger have those transactions in it?
how it could this is for every one? not much people will be understand about blockchain and the transaction, maybe people will just check the transaction and see that their bitcoin was already send or receive and just to waiting for finished confirmations. i am sorry if i am wrong.
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Mr. Green
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September 14, 2016, 12:39:09 PM |
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No one can cheat the blockchain. Every transaction is confirmed by the blockchain users. It is impossible. If someone were able to cheat the system, then bitcoin wouldn't exist by now. He would destroyed the whole system and probably he will be rich. (9.000.000.000$ rich)
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vero
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September 14, 2016, 01:06:53 PM |
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I am a bit do not understand with OP question , how can we cheat blockchain. if there is one person that I can be sure the price of bitcoin will be destroyed.
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~Bitcoin~
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September 14, 2016, 01:24:43 PM |
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I think what you are saying is called 51% attack which is quite often seen on ethereum based coins like krypton, shift, ETC. But bitcoin for sure can't be attacked like this because to do this any service or person have to have 51% share of total mining power which is quite impossible currently.
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pakitz
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September 14, 2016, 03:03:13 PM |
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blockchain cant be cheated and hacked.. this invention is so awesome that even the inventor cant hack the system.. ![Cheesy](https://bitcointalk.org/Smileys/default/cheesy.gif)
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TraderETH
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September 14, 2016, 03:16:38 PM |
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In my opinion although every body makes website is like Blockchain, i think it is can not cheat Blockchain because it will run becoming online wallet, block Explorer and the fungtion clearly is like Blockchain.
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Cloverdale
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September 14, 2016, 03:22:52 PM |
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I know that if just 1 people do it, it won't possible because the miner will check the transaction. But how if everyone tries to do it, I mean like how if they add all of the Bitcoin address a 1 Bitcoin. Would the miner think that those are valid transactions because all the ledger have those transactions in it?
Miners are there to prevent that from happening. I don't think "everyone" can do that as well as bitcoin is not that vulnerable you know. They have security protocols.
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bitbunnny
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September 14, 2016, 03:37:21 PM |
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Blockchain is well performed system with functioning rules and scheems and of course lot of security protocols so actualy I can't see how it could be cheated. Especialy note by "everyone". It could be attacked and have some security issues but I don't quite understand what is ment by cheating.
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xIIImaL
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September 14, 2016, 03:44:28 PM |
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I know that if just 1 people do it, it won't possible because the miner will check the transaction. But how if everyone tries to do it, I mean like how if they add all of the Bitcoin address a 1 Bitcoin. Would the miner think that those are valid transactions because all the ledger have those transactions in it?
Actually bro, you need to know that blockchain is combined with the factors such as anonymous and open ledger view for all the btc addresses. Mining is not at involved in these things and only you can see how many blocks it need to complete the transaction.
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Ashong Salonga
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November 15, 2016, 10:34:24 PM |
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I know that if just 1 people do it, it won't possible because the miner will check the transaction. But how if everyone tries to do it, I mean like how if they add all of the Bitcoin address a 1 Bitcoin. Would the miner think that those are valid transactions because all the ledger have those transactions in it?
It is not necessarily to hack the bockchain because of its security features. Besides, base on the aritcle that I read, most commonly way of hacking the wallet is through SQL injection. And using that way would not be effective for blockchain's system.
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shorena
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November 15, 2016, 11:00:12 PM |
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I know that if just 1 people do it, it won't possible because the miner will check the transaction. But how if everyone tries to do it, I mean like how if they add all of the Bitcoin address a 1 Bitcoin. Would the miner think that those are valid transactions because all the ledger have those transactions in it?
Thats not how bitcoin works. Addresses have no balance where you could just add 1 BTC. You just reference a transaction ID. If you want to "cheat" you could reference a transaction ID that does not exist, but the resulting transaction would be invalid, because every full node would check the inputs (the tx id refernced). If the full node does not know about it, every transaction referencing it is considered invalid. Miners are full nodes, they would just refuse your transaction as invalid.
How do you pretend that "everyone is going to cheat the blockchain"? In order to do any relevant changes you need control of 51%+ of the network, this is already hard to do, now you explain me how everyone is going to perform a 51% attack? this makes no sense sorry.
Even with 50% or more of the hashpower you have to follow the rules of the network. You still cant just create coins. You can mine them like everyone else and would mine the majority, but you cant mine more per block. A "51%"-attack allows you to block any transaction as long as you hold the majority of the hashing power.
I know that if just 1 people do it, it won't possible because the miner will check the transaction. But how if everyone tries to do it, I mean like how if they add all of the Bitcoin address a 1 Bitcoin. Would the miner think that those are valid transactions because all the ledger have those transactions in it?
Actually bro, you need to know that blockchain is combined with the factors such as anonymous and open ledger view for all the btc addresses. Mining is not at involved in these things and only you can see how many blocks it need to complete the transaction. Bitcoin is not anonymous!
I know that if just 1 people do it, it won't possible because the miner will check the transaction. But how if everyone tries to do it, I mean like how if they add all of the Bitcoin address a 1 Bitcoin. Would the miner think that those are valid transactions because all the ledger have those transactions in it?
It is not necessarily to hack the bockchain because of its security features. Besides, base on the aritcle that I read, most commonly way of hacking the wallet is through SQL injection. And using that way would not be effective for blockchain's system. What? Kind? Of? Wallet? Do? You? Use?
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Im not really here, its just your imagination.
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franky1
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November 15, 2016, 11:01:37 PM Last edit: November 15, 2016, 11:35:41 PM by franky1 |
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How do you pretend that "everyone is going to cheat the blockchain"? In order to do any relevant changes you need control of 51%+ of the network, this is already hard to do, now you explain me how everyone is going to perform a 51% attack? this makes no sense sorry.
your not quite talking about a 51% mining attack but a 51% node attack. not so hard to do if over 51% of nodes are all running the same code. though even at 51% its just going to cause a wash of orphans where some accept some reject the rule. it requires a large majority to accept it without much of an issue. but even at over just 51% it will gt accepted once the wash of orphans counter each other until there is an ultimate single agreed blockheight usually including the need of a large majority of miners to accept it too also alleviates the amount of orphaning before the single agreed blockheight becomes apparent yes a softfork mechanism can be used for bad aswell as good. especially if the softfork is being wrote by just one dev group who want all alternatives to fork off to ensure the softfork activates unobstructively
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I DO NOT TRADE OR ACT AS ESCROW ON THIS FORUM EVER. Please do your own research & respect what is written here as both opinion & information gleaned from experience. many people replying with insults but no on-topic content substance, automatically are 'facepalmed' and yawned at
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JeffBrad12
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November 16, 2016, 02:43:09 AM |
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How do you pretend that "everyone is going to cheat the blockchain"? In order to do any relevant changes you need control of 51%+ of the network, this is already hard to do, now you explain me how everyone is going to perform a 51% attack? this makes no sense sorry.
your not quite talking about a 51% mining attack but a 51% node attack. not so hard to do if over 51% of nodes are all running the same code. though even at 51% its just going to cause a wash of orphans where some accept some reject the rule. it requires a large majority to accept it without much of an issue. but even at over just 51% it will gt accepted once the wash of orphans counter each other until there is an ultimate single agreed blockheight usually including the need of a large majority of miners to accept it too also alleviates the amount of orphaning before the single agreed blockheight becomes apparent Could 51% nodes attack be mean if bitcoin has got a geopolitical attack?
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fifafiesta3
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November 16, 2016, 03:01:57 AM |
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You are too naive, how can you cheat it? And not everyone will cheat it.
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franky1
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November 16, 2016, 03:03:18 AM Last edit: November 16, 2016, 03:37:26 AM by franky1 |
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Could 51% nodes attack be mean if bitcoin has got a geopolitical attack?
you are talking about 2 things.. geo.. and politics firstly. geo 28% of nodes are in america.. lets say america systematically cut off the internet right at the ISP of 1500 ISP customers..(yes its possible) it wont really harm the network as there are still other nodes spread out in 90 countries. so the blockchain is still distributed. secondly..political 4400 of 5400 (83%) are running bitcoin core of different aged varieties (27% running latest version of core) lets say there was a known bug in core.. or a trojan in core since version 0.8 that has a political reason to be there to activate when core decided the time was right.. 27-83% of nodes can get affected. its not just about geographic diversity.. but also the implementations need to be more diverse. 3 main groups. or 8 total groups is not enough diversity especially when core devs have been very loud about getting other implementations to fork off so that core can dominate bitcoin
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I DO NOT TRADE OR ACT AS ESCROW ON THIS FORUM EVER. Please do your own research & respect what is written here as both opinion & information gleaned from experience. many people replying with insults but no on-topic content substance, automatically are 'facepalmed' and yawned at
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ethereumhunter
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November 16, 2016, 03:10:59 AM |
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if every people can cheat the blockchain technology, do you guess that bitcoin dev team will not prevent this and make an upgrade for blockchain technology itself? if there is a hole in one system, then the team will be fix the system and make it secure than before so the chance for getting cheat is reduce. i think its hard to be happen because the bitcoin dev team is a solid team and they will manage it by good.
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franky1
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November 16, 2016, 03:20:30 AM Last edit: November 16, 2016, 03:40:04 AM by franky1 |
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if every people can cheat the blockchain technology, do you guess that bitcoin dev team will not prevent this and make an upgrade for blockchain technology itself? if there is a hole in one system, then the team will be fix the system and make it secure than before so the chance for getting cheat is reduce. i think its hard to be happen because the bitcoin dev team is a solid team and they will manage it by good.
you do know the "team" your talking about are all under analogy: 'one roof'.. you do know the dozen paid devs are paid by bankers. and their 90+ unpaid interns are hoping to appease the paid devs in the hopes of landing a job with them. dont think core are independent. much like dont think Hilary Clinton is independent from Bill. yes they have different first names, different ages, different job titles, different genitals.. but obviously they are under one roof there needs to be different codebases that can work on the same network but able to mitigate risk of one team creating a bug/dictatorship rule change without there being a logical and independent consensus agreement alot of people are forgetting the security feature known as consensus and instead preferring the bankers single team dictatorship to pre-set and spoon feed rules out to the network. all because people "trust" leadership, rather than having an open system of no leader. the concern is not that a USER can mess with the blockchain.. but a dictatorial dev team can. much like you dont have to worry about someone owning an asic miner messing with block creation. but a dictatorial pool thats why we should be aware of 51% of a pool dominance. thats why we should be aware of 51% of a implementation of node dominance.
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I DO NOT TRADE OR ACT AS ESCROW ON THIS FORUM EVER. Please do your own research & respect what is written here as both opinion & information gleaned from experience. many people replying with insults but no on-topic content substance, automatically are 'facepalmed' and yawned at
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7788bitcoin
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November 16, 2016, 03:39:55 AM |
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When was the last time "everyone" agrees on the same thing, especially when the thing you are talking about is going to reduce the value of bitcoin?
Even with 51% attack, the chances of success is still low. I can't remember but there was an article analysing the attack and found that you actually need much higher than 51% mining power to have a high chance of manipulating the chain.
Even so, when someone/some group have such a high hashing power, are they willing to destroy the network security and destroy their own wealth at the some time?
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