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Author Topic: [ANN] (QTUM) - A Scalable Smart Contract Platform w/ Proof of Stake  (Read 432064 times)
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February 15, 2017, 07:14:30 AM
 #1461

With ethereum platform Qtum can be success and many investor make many profit
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February 15, 2017, 07:40:55 AM
 #1462

Qtum on edcon.io. Good news.
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February 15, 2017, 08:08:40 AM
 #1463

any exact date for the ICO to start?


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February 15, 2017, 09:03:28 AM
 #1464

any exact date for the ICO to start?
The crowd sale will start on March 1st and it will be last until the sale ends on April 1st.


thanks for the information.. Smiley


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February 15, 2017, 02:09:48 PM
 #1465

i would like to do an indian translation if available/


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February 15, 2017, 09:48:36 PM
 #1466

Qtum model is more scalable than ethereum in the long term.  Smiley

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February 15, 2017, 09:49:46 PM
 #1467

https://qtumnexus.slack.com/

Qtum slack has more than 1000 people now.
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February 15, 2017, 11:17:42 PM
 #1468


qtum added! http://encyclopedia.life/?portfolio=qtum


Encyclopedia Bitcoin + Cryptocurrency

webpage: www.encyclopedia.life
bitcointalk.org thread: https://bitcointalk.org/index.php?topic=1788363.0
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February 16, 2017, 12:20:51 AM
 #1469

Guys, hello. Can you link me to Qtum bounty program?

It's closed.
It means i'm come too late?

yess too late
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February 16, 2017, 12:25:49 AM
 #1470

Guys, hello. Can you link me to Qtum bounty program?

It's closed.
It means i'm come too late?

yess too late

what is bounty pay use qtum coin closed too
iam hear only bounty signature campaign and twitter campaign pay use bitcoin is ready open and closed
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February 16, 2017, 01:04:43 AM
 #1471

Guys, hello. Can you link me to Qtum bounty program?

It's closed.
It means i'm come too late?

yess too late

what is bounty pay use qtum coin closed too
iam hear only bounty signature campaign and twitter campaign pay use bitcoin is ready open and closed

i think not yet start Qtum bounty pay with qtum, maybe we will see update from qtum team soon
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February 16, 2017, 05:44:48 AM
 #1472

Guys, hello. Can you link me to Qtum bounty program?

It's closed.
It means i'm come too late?

yess too late
make me sad.  Sad

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February 16, 2017, 11:25:26 AM
 #1473

2015.02.10 Bitcoin Garden article about the Qtum Economy Whitepaper
http://bitcoingarden.org/qtum-project-releases-economy-whitepaper/

Hacker, Pirate, Milf Hunter, Owner of Bitcoin Garden
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February 16, 2017, 05:12:50 PM
 #1474

Press Update:



Patrick Dai speaks to Bitcoin.com about the Qtum project, announces Roger Ver as an Angel Backer:



https://news.bitcoin.com/smart-contracts-bitcoin-security-interview-qtums-patrick-dai/











Bitcoin.com recently covered the blockchain project Qtum that mixes the Bitcoin protocol with the Ethereum Virtual Machine in order to enhance smart contracts. We chatted with Patrick Dai, co-founder of Qtum, for more technical information. Dai gives our readers the inside scoop on what this project entails and its goal to create a new blockchain economy.

Also Read: How Bitcoin Apps Help People Survive Emerging Market Volatility
‘The Best of Both Worlds’

Bitcoin.com (BC): Can you tell our readers about the Qtum Foundation and the Qtum concept in simple terms?

Smart Contracts & Bitcoin Security: An Interview with Qtum's Patrick DaiPatrick Dai (PD): The Qtum Project combines Bitcoin Core 0.13, the Ethereum Virtual Machine to execute smart contracts and Proof-of-Stake as the consensus mechanism. The Qtum Foundation, which is headquartered in Singapore, is the organizational body that oversees the development of the Qtum Project. Qtum brings the best of both worlds together, since we can easily implement any Bitcoin Improvement Proposals (BIPs) to Qtum and Ethereum DAPPs can also be ported to Qtum.

BC: Why did you design a protocol that uses the Bitcoin client 0.13, and the Ethereum Virtual Machine?
Patrick-Dai-small
Patrick Dai, co-founder of the Qtum project.

PD: Bitcoin Core is the most stable blockchain codebase to date, it has proven itself over eight years, and the security of its code is trusted with an accumulated market capitalization of over 16 billion dollars. The Qtum Project combines Bitcoin Core with Ethereum by enabling the EVM to operate on the UTXO model through Qtum’s Account Abstraction Layer

The Qtum project has extended the Bitcoin script by adding three opcodes. This provides an environment the Ethereum Virtual Machine can operate in, and do so within the parameters of an UTXO environment.

One may ask, ‘Why is this necessary when the end result is a successful smart contract execution?’

The answer is ‘parallelism.’ The current Ethereum structure takes a linear approach to Smart Contract execution. Reinventing the wheel, when a flexible solution already exists, seems like an industry regression.

Although Qtum is a hybrid solution, we wanted to avoid a situation where we merged two codebases that weren’t compatible. The vast resources available for the UTXO projects – like Bitcoin, Litecoin and others – can easily be modified to work with Qtum’s blockchain. Plus, the ability to implement BIPs was a ‘must-have.’

We believe that the sum of all transactions is what makes up the blockchain. We wanted to avoid a situation where virtual transactions result in two block explorers showing different results for one transaction, as some would be virtually untraceable. The UTXO platform will not allow this, and we also get the security benefits like “Pay 2 script hash” (BIP16), native multi-signatures, protection from double spend attacks, and reduction in the threat of having to fork.

This is only scratching the surface on why we chose the best platform to build on. It is cost-effective to implement the Ethereum Virtual Machine, because of the money spent developing it. We can focus on other core features, and dedicate resources to improve the sustainability of our project.

BC: Do you feel smart contracts will be more popular in the near future?

PD: I think we will see a lot of businesses automate their processes with blockchain smart contracts. A multitude of industries have explored blockchain technology over the last few years, and we believe with the Qtum platform they will be able to move from proof-of-concept to implementation quicker. Once businesses adopt blockchain smart contracts, we will then see more consumer applications of the technology.

BC: Can you explain what a ‘Master Contract’ is?

PD: Designed to be flexible for the mainstream business industry, Master Contracts are ‘off-chain’ agreements that make use of oracles and data feeds. This feature will be designed for certain use cases, bringing a new concept to the blockchain industry, and changing the way contract lifecycle management is handled.

BC: Your team recently got backing from a prominent member of the cryptocurrency space. Can you tell our readers about this?

PD: Qtum received backing from Roger Ver, the first investor in blockchain startups. Roger is a visionary, he saw the potential of Bitcoin before almost everyone, and he bet big on it. This gives us a lot of validation for our project. We believe our contributions will benefit the blockchain community as a whole and illustrate that innovation is the key to growing.

We also have the support of Anthony Di Iorio, an Ethereum founder; Bo Shen, Managing Partner of Fenbushi Capital; Xu Star, the CEO of OkCoin; as well as Chen Wei Xing, founder of Kuaidi, which merged with Didi and others.
Qtum
Qtum Wins One of the Most Innovative Projects at Demo Day at the Global Blockchain Summit 2016

BC: Why is Qtum designed with a Proof-of-Stake (PoS) mechanism?

PD: There are so many reasons to implement a staking consensus model, and we considered this carefully when designing the Qtum architecture. Our lead developer Jordan Earls created a new proof-of-work algorithm in the past, so we spent some time discussing if this was the path we wanted to take. Should a network offer ASIC resistance to fend off centralization of the hashing power or not?

In all of our talks to businesses, maintaining the network through proof-of-work mining was a real concern. They asserted that efficiencies of blockchain technology shouldn’t be undermined by the inefficiencies of mining. Industry users don’t spend an excessive amount of time learning how proof-of-work systems operate. The more we delved into the topic with financial institutions, logistics providers, manufacturers, the argument for a proof-of-stake consensus model became more obvious.

The proof-of-stake consensus model makes a strong case for adoption in the Proof-of-Stake whitepaper. They list some potential threats that Sunny King’s original protocol could be vulnerable to, and offer more incentive for people to secure the network. The fact that this system rewards users who actively stake, opposed to those who just keep their coins on an exchange, or build up coin age to stake in bursts.

In short, the reason we adopted proof-of-stake is the fact that it’s an efficient and secure consensus algorithm.

BC: Can you explain what ‘Sparknet’ is?

PD: “Sparknet” is the fruit of our labor. It’s a fully working testnet of the Qtum Core technology. This is where we merge Bitcoin Core v0.13 with proof-of-stake and the Ethereum Virtual Machine. This is only possible by making changes to Bitcoin Core’s scripting language and adding an “Account Abstract Layer.” While these Qtum tokens will just be used for testing, they will be a great way to showcase our technology while we look for bugs before the main network is launched. We plan to release Sparknet within a couple of months of the crowdsale.

BC: How will Qtum avoid smart contract bugs and exploits, such as the recent DAO incident?

PD: We will try to avoid these smart contract bugs through two approaches.

We will introduce the formal semantics method to verify the completeness and veracity of one smart contract, so before the contract has been deployed on blockchain, we can prevent some bugs.

Also, Qtum aims to establish a smart contract hub, offering secure and thoroughly tested contract templates, tailor fit for a multitude of industries, such as supply chain management, telecommunications, IoT, social networking, and more.

BC: What’s the ultimate goal of the Qtum Foundation?

PD: We recently released a 32-page governance document called: “The Qtum Blockchain Economy Whitepaper.” In the Economy Whitepaper, we go in depth and discuss how the ultimate goal of the Foundation is to become irrelevant, giving the community full control of the project after four years.

The goal of the Qtum Foundation is to assist getting the Qtum Project off the ground and ensuring that the project has sound management. The goal of the Foundation is not to control the project, but to aide it in its infancy.

What do you think about the Qtum project? Let us know in the comments below.

Disclaimer: Roger Ver, CEO of Bitcoin.com, is a Qtum investor. 

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February 16, 2017, 08:39:37 PM
 #1475

Please pots link to Qtum bounty program if exist, thx

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February 16, 2017, 09:16:25 PM
 #1476

You mentioned top chinese exchanges would allow for users to participate on the crowdsale. The ones you announced are not top tier and some might even be unknown to most people. Also the testnet - Sparknet - will be released a couple of months after the crowdsale. Meaning the real thing is months away. That's a lot of time in crypto. What if one of those exchanges runs away with funds or shuts down?

The impact on your crowdsale will be pretty big. You're basically betting none of those exchanges will scam/shut down/get hacked while you don't release the mainnet. That's risky.

One more question. Crowdsale will only have 51% of the tokens. Is there any sort of contract that early founders agreed upon saying they won't sell say, for the first 2 years or something like that? Is there anything keeping them from dumping since the beginning?

Stratis: Same supply as Ethereum + Masternodes + ICOs + Bitcoin a Core Dev. 90% cheaper than Eth. Do the math.
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February 17, 2017, 03:59:58 AM
 #1477

You mentioned top chinese exchanges would allow for users to participate on the crowdsale. The ones you announced are not top tier and some might even be unknown to most people. Also the testnet - Sparknet - will be released a couple of months after the crowdsale. Meaning the real thing is months away. That's a lot of time in crypto. What if one of those exchanges runs away with funds or shuts down?

The impact on your crowdsale will be pretty big. You're basically betting none of those exchanges will scam/shut down/get hacked while you don't release the mainnet. That's risky.

One more question. Crowdsale will only have 51% of the tokens. Is there any sort of contract that early founders agreed upon saying they won't sell say, for the first 2 years or something like that? Is there anything keeping them from dumping since the beginning?

The 51% of tokens reserved for the ICO is what worries me about the Qtum project.  It might end up being oversold with all the hype it is receiving. Also, all these Angel backers holding Qtums dirt cheap can drop the bomb anytime.  The ICO being hosted on multiple unknown Chinese exchanges is also a turn off. 
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February 17, 2017, 07:21:38 AM
 #1478

You mentioned top chinese exchanges would allow for users to participate on the crowdsale. The ones you announced are not top tier and some might even be unknown to most people. Also the testnet - Sparknet - will be released a couple of months after the crowdsale. Meaning the real thing is months away. That's a lot of time in crypto. What if one of those exchanges runs away with funds or shuts down?

The impact on your crowdsale will be pretty big. You're basically betting none of those exchanges will scam/shut down/get hacked while you don't release the mainnet. That's risky.

One more question. Crowdsale will only have 51% of the tokens. Is there any sort of contract that early founders agreed upon saying they won't sell say, for the first 2 years or something like that? Is there anything keeping them from dumping since the beginning?

The 51% of tokens reserved for the ICO is what worries me about the Qtum project.  It might end up being oversold with all the hype it is receiving. Also, all these Angel backers holding Qtums dirt cheap can drop the bomb anytime.  The ICO being hosted on multiple unknown Chinese exchanges is also a turn off. 

it will be for sure oversold or sold out. they had their campaign running and alot of noobs will throw money into it.
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February 17, 2017, 08:33:50 AM
 #1479

hi, just found out about this project today, read all the post from page 1 up to the end.The project looks really promising, i definitely want to invest.

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February 17, 2017, 09:06:05 AM
 #1480

hi, just found out about this project today, read all the post from page 1 up to the end.The project looks really promising, i definitely want to invest.
Youp! That's right anyway.

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