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Author Topic: [ANN] (QTUM) - A Scalable Smart Contract Platform w/ Proof of Stake  (Read 430224 times)
This is a self-moderated topic. If you do not want to be moderated by the person who started this topic, create a new topic. (2 posts by 2 users deleted.)
ArabMist
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April 24, 2017, 12:53:01 AM
 #3461

Any exchanges trading in IOU slips yet?
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April 24, 2017, 03:29:07 AM
 #3462

When is the ETA for your Proof-of-stake smart contracts platform?

Is there any update on the product or at least something on the testnet?

If I'm interested to work on the Qtum blockchain as well, who should I contact?

What if I told you, we are not alone in this world?
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April 24, 2017, 04:40:41 AM
 #3463

When is the ETA for your Proof-of-stake smart contracts platform?

Is there any update on the product or at least something on the testnet?

If I'm interested to work on the Qtum blockchain as well, who should I contact?

they have a Foundation email:

Foundation@qtum.org

i think this is the fastest way

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April 24, 2017, 04:41:39 AM
 #3464

also more information from here:

forum.qtum.org


https://forum.qtum.org/category/7/qtum-dapps

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April 24, 2017, 04:46:54 AM
 #3465

When is the ETA for your Proof-of-stake smart contracts platform?

Is there any update on the product or at least something on the testnet?

If I'm interested to work on the Qtum blockchain as well, who should I contact?

i think testnet will be ready by june.

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April 24, 2017, 05:26:43 AM
 #3466

http://www.nasdaq.com/article/agrellos-ai-powered-smart-contract-interface-to-be-built-on-qtum-cm777597

Nasdaq news.

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April 24, 2017, 05:30:33 AM
 #3467

Any exchanges trading in IOU slips yet?

not yet.

until mainnet release, i think there will no exchange for this.
cybterpunk
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April 24, 2017, 06:24:45 AM
 #3468


- https://qtum.org

Qtum, will probably replace ethereum because it is simpler and has fewer problems. The UXTO model is much cleaner. They have a lot of previous developers and have already done two previous coins and are the best team I have seen so far.


I won't trust dev that promoting qtum-SCAM.....

I have not looked at qtum's code.

We know the qtum founder and he is one of the largest investors in Skycoin from four years ago, before qtum or any of this. Some of the people around him are legendary scammers, but he is not a scammer.

I think Patricks role in the bitbay situation is exaggerated. I read through the arguments and it just sounds like drama.

Many of the people in the Bitcoin community are sociopaths. They often steal things or cause drama, then immediately blame it or scapegoat it on someone else. They are not even done stealing the money, before they go on campaign of moral indignation against the fall person.

I think Patrick was blamed for Bitbay because his personality makes him an easy victim for sociopaths and the human predators in the bitcoin community. There are people walking around, sizing people up and trying to determine whether they can manipulate someone, setup a scam, steal things and who is going to be gullible or a fall person.

If you knew the people involved, you would understand what the social dynamic is.

>Also how can you be so confident qtum is going to replace ETH based on it's tech when they haven't released code yet?

Ethereum is using an accounts model, like Ripple. Which is anti-blockchain and anti-privacy and very traceable. It is against the philosophy of Bitcoin.

All coins going forward will be on the UXTO model and it is best practice for blockchain. Moving turing complete smart contracts off of accounts model and onto UXTO is extremely important and that is what qtum appears to be doing.

We need to figure out how to do general computation on a UXTO model. Instead of being restrained to the Ripple/Ethereum accounts model.

I think they will get closer to the goal, but only get there part way
- thin client for smart contracts (major limitation for existing system)
- moving smart contracts onto UXTO (major milestone)

I do not know if qtum has succeeded, but they seem to be going in right direction. I talked to one of their technical leads and they were focused on "Getting it working with something we can do now" and then incremental improvement over time. So first implementing the Ethereum virtual machine on top of UXTO, then working out the research problems for a native turing complete UXTO language later.

I do not know if there is a way to full UXTO while still having "gas". I think you will need to get rid of the "gas". In the ethereum model to take full advantage. I do not know if qtum will be able to go far enough in doing that, but is heading in the correct direction.

Ethereum tries to be both a token and a computer.
- we started with pure tokens (Bitcoin)
- then we added a computer to the tokens (Ethereum)
- now we just trying to figure out how to build  pure computer on UXTO
- Then once we have the computer, the tokens or coins just become a program or entity running on this "distributed computer"

Bitcoin, Ethereum, qtum, byteballs, etc are just stepping stones. Towards a final solution. None of these will exist or be relevant in ten years. We are in an age of transition and I am looking at the projects that are getting closer to the goal, in a pure mathematical sense.

Even Skycoin is being ripped up and its foundations constantly rewritten when it is advantageous to do so. Bitcoin is static and relatively unchanging, while Ethereum has been able to get the community to accept constant small changes.

Skycoin is on a punctuated equilibrium model, where we do bug fixes and polishing, then completely rip up and rebuild the foundation as needed, then go back to bug fixes and polishing.

Right now, we are exploring new networking primitives and the advantage of immutable data structures, but are still on blockchain. Putting EVM on UXTO is heading towards immutable data structures from the perspective of computation, while we are heading towards immutable data structures from the path of consensus, networking and simplifying object synchronization protocols.

One of the pilots that is being spun out of that project is the distibuted, peer-to-peer social media platform built upon immutable data structures and peer-to-peer object replication. For this Skycoin chose a public key, cryptographic publisher/subscriber model and DAG immutable object tree. While Ethereum's project chose a Kadmelia DHT block storage model.

Ignoring the individuals and the drama, I am just looking at the "future direction" and who is heading in that direction.

>Also how can you be so confident qtum is going to replace ETH based on it's tech when they haven't released code yet?

I am not confident it will replace Ethereum. At the start, it will be equivalent to ethereum in terms of being able to run the Ethereum Virtual Machine (EVM) on top of qtum with UXTO. Then they will do a native language.

It will depend on the implementation. I do not know if qtum has succeeded, but they seem to be going in right direction.

Similarly, Byteballs may fail or may not exist in ten years, but they are pioneering the first experiments into replacing the Blockchain with a DAG. Which we have been considering for several years now.

Similarly, Bitcoin was the first but people are getting used to the idea that it will not be the final or best cryptocurrency. That it was just the first generation and that we can build better and improve it substantially.

that's really a good post, smart people know the truth.
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April 24, 2017, 04:09:31 PM
 #3469

The most impressionable statement for me.

...Many of the people in the Bitcoin community are sociopaths. They often steal things or cause drama, then immediately blame it or scapegoat it on someone else. They are not even done stealing the money, before they go on campaign of moral indignation against the fall person...


...>Also how can you be so confident qtum is going to replace ETH based on it's tech when they haven't released code yet?...

Gleb Gamow
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April 24, 2017, 08:03:57 PM
 #3470

The most impressionable statement for me.

...Many of the people in the Bitcoin community are sociopaths. They often steal things or cause drama, then immediately blame it or scapegoat it on someone else. They are not even done stealing the money, before they go on campaign of moral indignation against the fall person...


...>Also how can you be so confident qtum is going to replace ETH based on it's tech when they haven't released code yet?...



Scene from The Treasure of Steven Dai ...


"Code? We don't have any code. WE DON'T HAVE TO SHOW YOU ANY STINKIN' CODE!"
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April 24, 2017, 08:20:26 PM
 #3471

The most impressionable statement for me.

...Many of the people in the Bitcoin community are sociopaths. They often steal things or cause drama, then immediately blame it or scapegoat it on someone else. They are not even done stealing the money, before they go on campaign of moral indignation against the fall person...


...>Also how can you be so confident qtum is going to replace ETH based on it's tech when they haven't released code yet?...



Scene from The Treasure of Steven Dai ...


"Code? We don't have any code. WE DON'T HAVE TO SHOW YOU ANY STINKIN' CODE!"

this is perhaps the no. 1 funny post I have read in this forum - ever
Gleb Gamow
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April 24, 2017, 09:09:41 PM
 #3472

The most impressionable statement for me.

...Many of the people in the Bitcoin community are sociopaths. They often steal things or cause drama, then immediately blame it or scapegoat it on someone else. They are not even done stealing the money, before they go on campaign of moral indignation against the fall person...


...>Also how can you be so confident qtum is going to replace ETH based on it's tech when they haven't released code yet?...



Scene from The Treasure of Steven Dai ...


"Code? We don't have any code. WE DON'T HAVE TO SHOW YOU ANY STINKIN' CODE!"

this is perhaps the no. 1 funny post I have read in this forum - ever

To be fair, the iconic Pinkie Pie episode on this forum is perhaps the funniest.

https://bitcointalk.org/index.php?topic=45324.0
https://bitcointalk.org/index.php?topic=45298.0
cybterpunk
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April 25, 2017, 12:58:33 AM
 #3473

The most impressionable statement for me.

...Many of the people in the Bitcoin community are sociopaths. They often steal things or cause drama, then immediately blame it or scapegoat it on someone else. They are not even done stealing the money, before they go on campaign of moral indignation against the fall person...


...>Also how can you be so confident qtum is going to replace ETH based on it's tech when they haven't released code yet?...



Scene from The Treasure of Steven Dai ...


"Code? We don't have any code. WE DON'T HAVE TO SHOW YOU ANY STINKIN' CODE!"

this is perhaps the no. 1 funny post I have read in this forum - ever

To be fair, the iconic Pinkie Pie episode on this forum is perhaps the funniest.

https://bitcointalk.org/index.php?topic=45324.0
https://bitcointalk.org/index.php?topic=45298.0

welcome Gleb. Smiley

nice to see you come back.  Cheesy

your post are adding more activity on this thread.
CryptoBillboard
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April 25, 2017, 01:04:31 AM
 #3474

So http://agrello.org/ is building on Qtum. Looks like a cool project. They are based in Europe it appears.

http://www.nasdaq.com/article/agrellos-ai-powered-smart-contract-interface-to-be-built-on-qtum-cm777597

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April 25, 2017, 02:15:28 AM
 #3475

When is the ETA for your Proof-of-stake smart contracts platform?

Is there any update on the product or at least something on the testnet?

If I'm interested to work on the Qtum blockchain as well, who should I contact?

The Roadmap shows that the Main Network will launch in September, but the Test Network is due in June.

We have provided updates on the status of the Testnet a few posts back, and you can see recently:

https://forum.qtum.org/topic/109/qtum-development-updates-april-21st-2017


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●▬●▬●▬● First UTXO Based PoS Smart Contract and DAPP Platform ●▬●▬●▬●
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April 25, 2017, 02:49:57 AM
 #3476

What are the advantages of porting smart contracts from Ethereum blockchain to Qtum?

What is the difference in gas fees? Speed?

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onetwo12
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April 25, 2017, 12:51:12 PM
 #3477

What are the advantages of porting smart contracts from Ethereum blockchain to Qtum?

What is the difference in gas fees? Speed?

Qtum TPS is 10 times of Bitcoin network.

but still slower than Ethereum.

advantages i think right now is 3 points

1  Qtum is POS
2  Qtum support SPV (mobile)
3  Qtum is compatible with Bitcoin Ecosystem.

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April 25, 2017, 12:55:16 PM
 #3478

https://www.linkedin.com/pulse/discovering-blockchain-yikai-kevin-feng-cissp-ccsp?from=timeline&isappinstalled=0

Discovering Blockchain

by Yikai (Kevin) Feng, CISSP,CCSP
Senior Manager, Cybersecurity & Blockchain Services at PwC

About one year ago I came across Bitcoin and the idea of the Internet of Money. Initially, I was really suspicious of its ability to influence our real life – why would anyone accept a currency without backing? But due to my curiosity about new technology, I decided to purchase some bitcoins and play around the bitcoin wallet on my cellphone. At the first glance, it may look similar to normal payment apps we use like Alipay or Paypal. However, as I spent more time reading and researching about bitcoin and its underlying technology, the blockchain, I found that the way Bitcoin network works was nothing like any payment platform or Internet service we had been using.

In our current online payment system, the transaction you make needs to be processed by the service provider and then settled by banks in order to prevent the double-spending risk. Therefore, you are just transferring instructions or information to the service provider to initiate the transaction. However, in the bitcoin network, you are able to directly transfer value without the involvement of any central authorities (e.g. banks) or intermediaries (e.g. payment service providers), which was made realized by the blockchain technology’s cryptography and the consensus mechanism. The only other scenario people are able to do this is that you physically hand over cash to another person. In addition, you maintain 100% ownership of bitcoins in your wallet as long as you hold on to the private key, and if you lose the private key your bitcoins will be gone forever (sounds familiar? it works exactly same as the physical wallet we use every day).

In 2016, the discussion about blockchain's enormous potential to revolutionize business practices as we know them came to the peak hype. And I realize that it might be a good fit for me to do a deep dive with my experiences in cybersecurity and PKI security.

Working in the Startup

When I returned Shanghai from my two years international assignment, I was lucky that I got the opportunity to work with a blockchain startup - Qtum Foundation. I was excited and uncertain because I had never worked with a startup company. My role in Qtum Foundation is to assist the founder with project management, bring industry experiences into the project vision and use cases and advise the project to be professional and organized. At first, I didn't feel very comfortable about the way how startups work. Here you don't have orderly calendar schedule, strict meeting agenda, clear segregation of duties, and the plan can be changed in the next minute. So I tried to adapt myself to the new environment and step out of my comfort zone. Through this process, I noticed that the entrepreneurship was growing in me. Here you do not have predefined protocols to follow and you need to do whatever it takes to keep moving things forward and make things happen, let alone working in such an immature industry. The team is passionate about the value that the blockchain technology can bring to the business world. When working with them you can feel the cohesiveness brought by the passion for the technology. In achieving a key project milestone recently, I worked with various external parties such as investors, business partners, lawyers, and PR firms. As a result, I learned that in such an emerging industry you had to be open-minded, creative and constantly brainstorming to explore opportunities to work together. That also allows me to build the network in this community, and I had the chance to know blockchain pioneers in the fields of blockchain project founders, developers, marketing, legal and cryptocurrency exchange. One thing I found common in them is that everyone strives to contribute and find his or her value proposition in this cause. The experience will definitely benefit me in my future career, giving me the courage and confidence to be innovative and keep exploring new opportunities.

Qtum Blockchain

Blockchain technology is much broader than just bitcoin. The sustained levels of robust security achieved by public cryptocurrencies have demonstrated to the world that this new wave of blockchain technologies can provide efficiencies and intangible technological benefits very similar to what the Internet has done. But it was not until smart contracts got associated with blockchain people started realizing how powerful this technology could be. The smart contract is a term used to describe computer program code that is capable of facilitating, executing, and enforcing the negotiation or performance of an agreement (i.e. contract) using blockchain technology. Ethereum, the de-facto leading smart-contract system, has attracted lots of developers and organizations to create distributed applications (dApps) for business use on its platform. But why it has not yet achieved broad industry adoption? Qtum team thinks they found the root cause and decided to build a new public blockchain platform (Qtum blockchain) with features designed for business adoption. Based on Qtum’s project vision, Qtum is aiming to build a Proof of Stake (PoS) based smart contract platform that is executable on mobile devices.

Proof of Stake (PoS) Smart Contract Platform
The Proof of Work (PoW) consensus mechanism used in public blockchains requires huge energy consumption. The PoW transaction validation diminishes scalability to the point where existing smart contract platforms are considered to not be feasible for massive industry applications. Organizations would not risk running their applications on a platform of which the mining power might be controlled by limited groups of people, and also maintaining significant mining power is not cost effective. On the other hand, PoS consensus mechanism which determines the creator of the next block based on the stake and coinage, which motivates organizations to be a part of the blockchain without energy waste. Therefore, building a smart contract blockchain platform with a business-friendly consensus mechanism is an essential step in achieving business adoption. Having said that, so far there was no PoS consensus standard that is proven to be as secure and stable as the PoW consensus.

Go Mobile
Existing smart contract platforms require users to run a full node and hold a full blockchain copy to run dApps (the current size of Ethereum blockchain is around 30G), an untenable prospect for smaller devices in a storage sensitive or low bandwidth environment (e.g. mobile devices, IoT devices). Qtum blockchain was built with Go Mobile strategy in mind, it enables users to run smart contracts on their mobile devices without the need to download the full blockchain. This strategy will significantly improve the ease of use of the blockchain technology and let the general public appreciate the benefits brought by it. Let’s put it into context, today half of the Internet traffics is generated by mobile devices and the projected number of IoT devices by 2020 would be 24 billion. So in order to achieve massive adoption, the blockchain technology has to be tuned for a mobile strategy.

The Proof of Stake (PoS) consensus mechanism and Go Mobile strategy resonate with my vision for the blockchain implementation in business and individual markets. So I look forward to seeing Qtum team deliver their platform with these features later this year as stated in the project roadmap.

Based on PwC’s 2017 Global Fintech Survey, the blockchain technology is moving out of the lab and 77% of the respondents expect to adopt blockchain as part of an in-production system or process by 2020. People have seen its potential to change the way human interact and collaborate today across various industries such as financial services, supply chain, IP and copyrights, IoT, gaming, social network, and charity. That’s why there are so many activities and innovation going on every day. From the firm's perspective, we have seen rapidly increasing inquiries and requests from our clients asking how they can leverage this technology and stay ahead of the game. I will continue sharing my thoughts as I progress on this journey.

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April 25, 2017, 01:00:16 PM
 #3479



Qtum get another 2 core developer.

one from Uber (China)

one from CAS(like NASA in USA)

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April 26, 2017, 12:01:03 AM
 #3480

What are the advantages of porting smart contracts from Ethereum blockchain to Qtum?

What is the difference in gas fees? Speed?

Qtum TPS is 10 times of Bitcoin network.

but still slower than Ethereum.

advantages i think right now is 3 points

1  Qtum is POS
2  Qtum support SPV (mobile)
3  Qtum is compatible with Bitcoin Ecosystem.

If you're referring to "Transactions Per Second" then yes, Qtum will be faster than Bitcoin but slower than Ethereum.

While Qtum will be very similar to UTXO blockchains, like Bitcoin and Litecoin, point #3 doesn't take into consideration that Ethereum Smart Contracts will be portable to Qtum. This means that if a developer has an idea, creates it for Ethereum, there will be little effort required to make this work on Qtum. This goes the same for developers looking to build on Qtum, both blockchains use the Ethereum Virtual Machine.

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●▬●▬●▬● First UTXO Based PoS Smart Contract and DAPP Platform ●▬●▬●▬●
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