[Philippines][ANN] [Qtum] UTXO base sa POS Smart Kontrak platporm/Simula ng SIG

[Coccacc]

Qtum (Quantum) ay isang open source, desintrilisadong proyekto na ang pakay ay samantalahin ang tagumpay ng Bitcoin, habang nakikipag kumpetensya sa Decentralized Application (DAPP) at Smart Contract market. Ang aming layunin ay makipatrabaho sa industriya, at mag launch ng kauna unahang Value Transfer Protocol (VTP).  Ito ay dadaanan ng pang araw araw na negosyo, at magiging mas madaling mapatibay. Layunin ng Qtum na maging kaunaunahang platporm kasama ang Smart Contracts na magiging parte ng Unspent Transaction Output (UTXO).

Sa halip ay iimbento ulit ang wheel kasama ang bagong codebase, Qtum ay base sa Bitcoin Core  v0.13 at Proof-of-Stake 3.0 (POS).Ang paraan ng Qtum ay payagang magamit ang Smart Contracts ng hindi nangangailangan ng account, at ang umiiral na mga aplikasyon ng Ethereum na pwedeng iport sa Qtum Blockchain.Ang Pagunad ng Qtum Core ay direkta sa Qtum Foundation, kung saan makikita laht ng na-established at audit.

Itong proyekto ay pakay na maging daluyan para sa exchange, merong sapat na mga proyekto ng blockchain para punan ang demand. Sa halip, direkta kaming mag fofocus sa ibat ibang sektor kung saan pwedeng maikalat ang teknolohiya sa ibang operasyon. lahat ng ito ay framework ng disintrilisadong aplikasyon base sa binagong versyon ng Birtwal Ethereum Machine.  

Ang pangangailangan ng stable na codebase ga naninili at mga negosyo na gusto ng kumpiyansa na ang kanilang mga perang halaga ay malalayo sa mga biglaang pangyayare, kaya ang Quantum ay aming binase sa Bitcoin Core para sa katatagan at Blackcoin POS3.0 nanapagkasunduan.

kabuuhang Teknikal

Sa seksyon na ito ating tatalakayin ang blockchain ng Qtum, isang bagong Cryptocurrency na nilikha para sa mga mamimili at mga negosyo. Ang Qtum ay dinisenyo upang  maging malakas, matatag at mabilis. Ang Quantum ay pinalawak sa language ng Bitcoin Core, Upang ang mga ito ay posibleng magpatakbo ng Smart Contract base sa Unspent Transaction Output model (UTXO).  Ang ibig sabihin nito ang Qtum ay hindi nangangailangan ng paggamit ng account upang makapag kontrata sa pagitan ng mga partido. Ang umiiral na Ethereum Smart Contracts ay pwedeng iport sa Qtum na may konting pagbabago. Ang iba pang mga birtwal machine at programming language ay suportado pati na ang mga proyekto. Magkakaron ng function para sa third party datang mga feed at oracles, kasama ng 'off chain' na pag proseso ng data. Ang concsensus ng Qtum ay gumagamit ng Sunny King's klasik proof of stake, Kung saan secure ang blockchain, habang nagbibigay ng coin sa mga holder.

Ang layunin ng Qtum ay magbigay ng bagong ‘Value Transfer Protocol’sa industriya. Bitcoin ay nakagawa ng napakalaking serbisyo sa commerce at industriya ng finance sa pamamagitan ng pagbibigay ng isang paraan ng value transfer, at nais naming mapalawak sa momentum na ito. Plano naming suportahan ang Qtum Blockchain sa Smart Kontrata na payagan ang mga gumagamit upang makontrol ang mga coins sa pamamagitan ng advantage ng ibat ibang protokol sa internet. Isang proketa ang ilalabas na gumaganang BETA ay ang SpringEmail, na gumagamit  ng isang bagong 'Simple Mail Transfer Protocol' (SMTP) . na nagpapahintulot sa mga user na nagpapadala at tumatanggap ng Qtum bilang bahagi ng isang Email.  ang aming tawag dito ay hybrid protocol “BiSMTP”.   Dito ay para hindi masyadong mahirapang matuto ang mga user na interesado sa Qtum pero walang wallet.


Para sa karagdagang impormasyon:
http://www.8btc.com/qtum-springemail-bismtp


Isa sa mga stratehiya ng Qtum sa paglawak ay ang mobile telekomyunikasyong merkado.  There is a vast amount of consumers that may not be aware of digital currencies, but could be introduced to Qtum by means of a viral marketing campaign.  This does not mean that the average user isn’t accustomed to paying with their mobile devices.  In China, Wechat leverages their userbase of over half a billion people, to make payments for everyday goods and services.  Just like Apple Pay, they make a quick scan with their device at the point of sale, and the money is deducted from their account.  We plan to build Quantum applications that integrate into the popular messaging platforms like: Wechat, WhatsApp, Viber, and so forth.  We call this the Qtum “Go Mobile” strategy.  


Ang Ingles na bersyon ng whitepaper ay kasalukuyang ini-edit, at ilalabas sa Enero 2017.

Upang maintindihan ang mga teknikal na features sa maikling pangungusap:

1. Ethereum Virtual Machine tumatakbo sa Bitcoin UTXO model
2. Compatibility layer para sa Ethereum Blockchain model, na kung saan ay nagbibigay-daan para sa madaling pag-port ng mga umiiral na Ethereum at solid na kontrata.
3. Ang Blackcoin Proof Of Stake 3.0, kung saan ay nasisiguro ang efficiency at seguridad.
4. Kakayahang upang pamahalaan ang mga kontrata mula sa mga mobile wallets nang hindi tumatakbo ang isang buong node.
5. Pinakaumiiral na kasangkapang bumuo sa Bitcoin at ilang BIPS ay magpapatuloy na compatible sa Qtum Blockchain.
6. Oracles at datafeeds binuo sa taas ng Ethereum Birtwal machine.

OPPURTINIDAD

Ang Qtum ay may platapormang ginagamit para mapadali ang pag gamit sa negosyo gamit ang blockchain technology.Ang ibig sabihin nito?hindi lang tingi tingi na coin, kung saan ang mga merchant ay pwede gumawa ng invoices para sa produkto o serbisyo. Malawak ang oportunidad sa pag gamit ng publikong ledger para sa  industriya at mga negosyo. para makapag pag benta at makapag bigay ng serbisyo sa mga tao, para maka pag bigay ng proof of purchase sa mga mamimili, at mapanatili ang produkto sa kanyang magandang kalagayan ay napakahalaga.

May malaking interest sa blockchain technology, lalo na sa industriya ng finance. Kasalukuyang, Ang mga bangko ay ina apply ang napaka raming blockchain patents. Dahil siguro sila ay fact finding, O may plano silang e adopt ang teknolohiya sa kanila pangunahing produkto at serbisyo, Maraming korporasiyon ay nakikita nila ang kanilang mga sarili na masyado na silang malaki,napag iwanan, at hindi na kayang makipag kompitensya. Blockchain (at ibang mapanirang teknolohiya) ay pweding maging banta para sa isang negosyo sa mga darating na taon.

Sa pamamagitan ng Qtum Foundation, ang aming layunin ay mapunan itong mga malalaking organisasyon para maka adopt sa sa digital currency at blockchain technology sa kanilang pangunahing mga operasyon.gagawin namin ito sa pamamagitan ng pag papakilala sa kakayanan ng blockchain technology, at makikita natin kung meron lugar ito para sa kanilang negosyo.

Sa kasalukuyan ang Qtum ay nakikipag usap sa mga iilang korporasyon sa china tungkol sa strategic partnership, pero masyado pang maaga para mag anunsyo ng detalye tungkol dito. sa ganitong sitwasyon, ang pangunahing pinag tutuunan ng pansin ay ang social network, telecommunications, finance, at supply chain industries. ang third party ay magkakaroon ng malaking partisipasyon para sa pag-unlad para sa pag adopt ng Qtum (at Blockchain as a whole). sa ganitong sitwasyon, halos lahat ng industriya na aming naka-usap ay curious tungkol sa blockchain, kung ito ba ay makakatulong o magiging banta o problema sa kanilang negosyo.



Kilalanin ang aming team:

Ang Qtum Core team ay sumasaklaw ng ilan pang mga miyembro, hanggang sa buong mundo.  

Patrick Dai (China/Singapore) - Project Co-Founder
Neil Sakr (Morocco/China) - Chief Blockchain Architect / Co-Founder
Jordan Earls (USA) - Lead Developer / Co-Founder
Caspal (China) - Qtum Developer
Qiyu (China) - Qtum Web developer
DJaen (Sweden) - Qtum Test developer
Time Markov (Macedonia)- Qtum Developer
Toni Markov (Macedonia)-Qtum Developer
Alex (Belarus)- Qtum Developer
Mike Palencia (China / Colombia) - Project Manager
Brett (Canada) - PR / Community
John Scianna (USA / China) -  PR / Press
Ibai Basabe(USA/China)-PhD Product Manager/Researcher
Emiliano (Argentina) - PhD Document Writer / Researcher
Carry Shen (China) - PricewaterhouseCoopers (PWC) process control

Komunidad

Website: Malapit ng ilabas

Source code: https://git.qtum.org/qtum/  Source will be available soon

Twitter: https://twitter.com/QtumOfficial

QQ group: 518192421

Slack channel:  https://qtumslack.herokuapp.com/

Wechat group:

Ang Bounties ay available, at maililista sa madaling panahon. Mangyaring mag-post kung ano ang maaari mong ialok sa thread.


Press:

Ang Quantum ay nakabuo na ng press, Angkop sa aming pag attend at conference ng mga pangyayare sa Blockchain. Ang ilang press site ay pinili hanggang sa aming pag-unlad bago ang opisyal na paglulunsad, mangyaring bisitahin ang mga link sa ibaba:

• Global Blockchain Summit in Shanghai: "Uniting the Networks" of Blockchain Technology
• Qtum Blockchain Ports POS 3.0 to Bitcoin Core 0.13
• Qtum Introduces Master Contracts and ID Identification
• Qtum Virtual Machine and Gas Mechanism Design Principle Part One
• Qtum Innovation Project, Building an Ecosystem Other Than Bitcoin and Ethereum
• Qtum: Building The Bridge
• Qtum Team Wins The Best Innovation At Second Global Blockchain Summit
• Will The Financial Industry Use Blockchain? Qtum Offers This Possibility  
• Quantum Team Wins MVP
• Why Build Another Blockchain?
• Qtum Chinese Whitepaper
• Helping Newcomers Use Blockchain Technology
• Qtum Team Introduces New Blockchain
• IBM Blockchain Summit 2016 Best Innovation Award
• Qtum Announces Their First Community Project:  SpringEmail

[Coccacc]

Signature Campagin Code:

Para sa  HERO at LEGENDARY

Qtum

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........First UTXO Based PoS Smart Contract........ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ and DAPP Platform ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀

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Follow Twitter .......Github......

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ANN Thread ......SLACK......

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[td][url=https://qtum.org/][font=rockwell][size=14px][glow=#282828,1][color=transparent]........[color=#00bfff][b]First UTXO Based PoS Smart Contract[/b][/color]........[/color][/glow][/size][/font][/url]
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[url=https://git.qtum.org/users/sign_in][glow=#602020,1][color=transparent].......[color=white]Github[/color]......[/color][/glow][/url][/td]
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[td][center][url=https://bitcointalk.org/index.php?topic=1720632.0][b][color=#00bfff]ANN Thread[/color][/b][/url]
[url=https://qtumslack.herokuapp.com/][glow=#ff66b3,1][color=transparent]......[color=white]SLACK[/color]......[/color][/glow][/url][/td]
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Para sa SENIOR MEMBER

Qtum

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....First UTXO Based PoS Smart Contract.. ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀  and DAPP Platform   ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀

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[td][center][url=https://twitter.com/QtumOfficial][b][color=#00bfff]Follow Twitter[/color][/b][/url]
[url=https://git.qtum.org/users/sign_in][color=transparent].......[color=#331a00][b]Github[/color]......[/color][/url][/td]
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[td][center][url=https://bitcointalk.org/index.php?topic=1720632.0][b][color=#ff9900]ANN Thread[/color][/b][/url]
[url=https://qtumslack.herokuapp.com/][color=transparent]......[color=#cc0052][b]SLACK[/color]......[/color][/url][/td]
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Para sa FULL MEMBER

▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀█ Qtum █▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
●▬●▬●▬● First UTXO Based PoS Smart Contract and DAPP Platform ●▬●▬●▬●
▃▃▃▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▃▃▃

Code:

[center][color=#0077b3]▀▀▀▀▀▀▀▀▀▀[/color][color=#006699]▀▀▀▀▀[/color][color=#005580]▀▀▀▀▀[/color][color=#004466]▀▀▀▀▀▀▀[/color][color=#00334d]▀▀▀▀▀▀▀█[/color] [color=#0088cc][b][font=Verdana]Qtum[/font][/b][/color] [color=#00334d]█▀▀▀▀▀▀▀[/color][color=#004466]▀▀▀▀▀▀▀[/color][color=#005580]▀▀▀▀▀[/color][color=#006699]▀▀▀▀▀[/color][color=#0077b3]▀▀▀▀▀▀▀▀▀▀[/color]
[font=rockwell]●▬●▬●▬● [color=#0088cc][b]First UTXO Based PoS Smart Contract and DAPP Platform[/b][/color] ●▬●▬●▬●[/font]
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Para sa MEMBER RANK

▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀█ Qtum █▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
●▬●▬●▬● First UTXO Based PoS Smart Contract and DAPP Platform ●▬●▬●▬●
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Code:

[center]▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀█ [url=https://qtum.org/]Qtum[/url] █▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
●[url=https://qtum.org/]▬[/url]●[url=https://qtum.org/]▬[/url]●[url=https://qtum.org/]▬[/url]● First UTXO Based PoS Smart Contract and DAPP Platform ●[url]▬[/url]●[url]▬[/url]●[url]▬[/url]●
▃▃▃[url=https://qtum.org/]▅▅▅▅[/url]▅▅[url=https://qtum.org/]▅▅▅▅[/url]▅▅[url=https://qtum.org/]▅▅▅▅[/url]▅▅[url=https://qtum.org/]▅▅▅▅[/url]▅▅[url=https://qtum.org/]▅▅▅▅[/url]▅▅[url=https://qtum.org/]▅▅▅▅[/url]▅▅[url=https://qtum.org/]▅▅▅▅[/url]▅▅[url=https://qtum.org/]▅▅▅▅[/url]▃▃▃[/center]

Para sa JR. MEMBER

▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀█ Qtum █▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
●▬●▬●▬● World’s First Proof of Stake Smart Contract  ●▬●▬●▬●

Code:

[center]▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀█ Qtum █▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
●▬●▬●▬● [url=https://qtum.org/]World’s First Proof of Stake Smart Contract[/url]  ●▬●▬●▬●[/center]

[Coccacc]

Maligayang bagong taon!

Maraming tao ang nagtataka: "Ano ang Qtum?" At nais naming maglaan ng oras para sa ilang bagay.  Plano naming ilabas ang Whitepaper sa unang bahagi ng Enero.  Ang anunsyong ito ay inilunsad sa panahon ng holiday season, At kailangan namen ng translation para masagot ang ilang katanungan. At ngayong 2017 na, plano naming magsimula na.

Ang aming Lead  developer ay gumagawa ng summary ng teknikal kung saan makikita ang development cycle, kaya ito ang unang update ng 2017.  

Status ng Quantum Development
(Ni Neil Qtum lead developer)

Mga pangunahing nakumpletong milestone:

1- Quantum model:
 
Ang unang hamon para sa amin ay ang makagawa ng isang modelo para sa Quantum na nakaintegrate parehong sa model ng EVM at Bitcoin UTXO. Ang EVM ay gumagamit ng state database, kaya kinailangan naming patagalin ang kanyang kakayahan para gumana sa model base sa UTXO accounting.
 
While we decided to keep a state database for storing smart contracts code and data, our model uses UTXOs for all financial operations of the EVM.
 
After finishing the model, we moved to the implementation.
 
2- Quantum Implementation:

The implementation was based on Bitcoin core 0.13 and cpp-ethereum EVM part. After integrating the EVM code and dependencies with Bitcoin core, we worked on implementing the Quantum model which required adding support for Quantum smart contracts creation, funding and calling through Bitcoin script, and also adding UTXO support to the EVM.
Other implementation details were also finished, including the Quantum gas model, EVM coin picking algorithm and much more.

We now have a fully working implementation of the Quantum model which is being currently tested.

3- Bitcoin core proof of stake:

The proof of stake (PoS 3.0) algorithm was ported from Blackcoin to Bitcoin core 0.13 and is now in final stage testing with dozens of nodes deployed.

What’s next?

1- Quantum wallets:

Work is in progress to make brand new desktop and mobile wallets for Quantum, for the desktop wallet, we are working on a dynamic and user friendly wallet which will include in addition to the classic functionalities, support for smart contract operations and a new innovative design.

Our Mobile wallet is also in the works, with versions for iOS and Android, the initial mobile versions are already in testing.

2- Merging with proof of stake:

We are currently working on merging EVM and PoS branches of Quantum.

3- Testing Quantum:
 
We are currently testing the Quantum implementation. In addition to Bitcoin and EVM automated tests, we are writing our Quantum specific test suite.
 
Other than automated testing, manual testing is currently taking place as well.
 
After finishing in-house testing, we will require external code reviews and testing from independent and professional renowned software developers and companies.
 
4- Releasing Quantum Sparknet (testnet):
 
Once our initial Quantum prototype has passed internal and external testing procedures, it will be time to launch the Quantum testnet code named "Sparknet". which will be the final real world test before the official release.
Maligayang taon ! Mula sa Qtum Foundation"

[Coccacc]

A quick documentation update, we are working on the English version of the whitepaper right now and we wanted to give a snapshot of our progress.  

Later this week we will have some press that talks about our goals, and a bit about our investors.

Here is a section 2 snapshot of the whitepaper, it discusses how we integrate the Ethereum Virtual Machine onto Bitcoin Core's UTXO model, while using Proof-of-Stake as the consensus protocol.

Here is a link where you can download the section, please keep in mind it was written by a developer and has not gone through a final edit:

https://qtum.org/QtumDraftSection24.pdf

Right now the PR team has been giving interviews to western media outlets, so when they run an article, we will post it here and on our blog.  

The signature campaign will start this week, we are just getting the banners designed and calculating the payment schedule.

[Coccacc]

Hello,

Welcome to the Qtum signature and avatar campaign.  First off, we would like to say that we plan on following the rules set out by the forum moderators here:

https://bitcointalk.org/index.php?topic=1684035.0

If you have not read these rules, the TL;DR version is that we will remove you from this campaign if your posts are not constructive.  One thing that we would like to mention is that we do not in any way want to control where and what you post, we only ask that your posts are constructive if you wear our signature and avatar.  If you decide to trash talk our project, that is fine, but obviously we will stop paying you.

We have hired a campaign manager on this forum named BlackMambaPH, he designed our signatures and asked if he could assist in this campaign.  We are paying him to design the campaign and enforce the rules, so please respect him.  He lives in the Phillipines, so please keep this in mind when you communicate with him, your time zone may be different.

This post will be moderated, as there should be no discussion here other than applying to participate.  Scam accusations and trolling are fine, just not in this thread please, we will actually delete posts.  If you want to troll or complain, please make another thread.  We expect there to be a lot of private messages because of this campaign, so please be patient if you send one.

This campaign will pay out in Bitcoin, and if necessary we can use an escrow.  We're not sure how an escrow will enjoy sending BTC to hundreds of addresses, so we will let our campaign manager deal with that problem if it comes up.

All bitcoins paid will originate from the Qtum Foundation address:  1qtum1H39JbLjkBZGg4HVsrt9KD6FMS3g

For those of you reading this thread, the official Qtum thread is here:

https://bitcointalk.org/index.php?topic=1720632.0

Our official twitter is here:

https://twitter.com/QtumOfficial




The development team indicated Alex (https://qtum.org/team/)

His profile on LinkedIn https://www.linkedin.com/in/dulub/de
His profile on Youtube https://www.youtube.com/user/dulubao

He knows that he is in the team Qtum ? Give all the links on the team.

[Coccacc]

A quick documentation update, we are working on the English version of the whitepaper right now and we wanted to give a snapshot of our progress.  

Later this week we will have some press that talks about our goals, and a bit about our investors.

Here is a section 2 snapshot of the whitepaper, it discusses how we integrate the Ethereum Virtual Machine onto Bitcoin Core's UTXO model, while using Proof-of-Stake as the consensus protocol.

Here is a link where you can download the section, please keep in mind it was written by a developer and has not gone through a final edit:

https://qtum.org/QtumDraftSection24.pdf

Right now the PR team has been giving interviews to western media outlets, so when they run an article, we will post it here and on our blog.  

The signature campaign will start this week, we are just getting the banners designed and calculating the payment schedule.

[Coccacc]

Q&A about Qtum project:

-----START-----

Q) I have read the qtum whitepaper over last 1 hour so understanding may not be 100% but this is my assessment. Basically it is just another bitcoin fork with extension to the bitcoin scripting language to support solidity contracts?


A) First of all, Qtum is far from being “just another bitcoin fork”. We have a vision for the Qtum project and one of the biggest and most professional teams ever seen in crypto with support from real world companies and investors. Our goals for Qtum go far beyond the crypto scene and it will be a top project, not just another fork.
Our choice of bitcoin core as a main base for Qtum is based on the fact that bitcoin is the most mature, stable and secure blockchain available, in comparison to ethereum or bitshares or others which are still considered unstable with the numerous problems and security issues they had since they launched. In addition to bitcoin having the biggest support from the community which offers a large collection of tools and software related to bitcoin which can be used by quantum as well, in contrast to the other blockchains which sometimes lack even the simplest software (mobile wallets, stable desktop wallets …).
Also we use bitcoin script as a bridge between the EVM and regular transaction, the Qtum model was very well designed, and is much more complicated than you make it sound.



Q) There is no compelling reason to choose  UTXO over smart contract via balance. It is like comparing a general journal vs a general ledger, which is better? The answer is it depends. I guess it is only UTXO because it is using a bitcoin fork and calling it UTXO as a feature is just a gimmick. In fact i suspect scalability becomes bigger problem since you need to maintain SPV to manage UTXO for multiple different states? Will be interesting to see how to implement wallets.  Does that make hyperledger better since they supports both utxo and balance?


A) Our choice of UTXO is simply choosing the best technology, there have been some efforts made through some articles to make the account model seem as performant and secure as the UTXO model, however, it’s not. Without going into much details, the account model is too naïve and simplistic and offers no parallelism, it always reminds me of the cup telephone transaction model.

For us, a hybrid model as the one used by Hyperledger was the wrong choice since it will cause us to be incompatible with neither bitcoin nor ethereum. In Qtum we have a priority to keep full compatibility with bitcoin which will allow us to implement future bitcoin BIPs to Qtum thus taking advantage of the developments done by the bitcoin core team and community.
For more details,pls refer below：

1) If we wanted just a simple smart contract platform to build on top of, it would've been significantly easier for us to just fork Ethereum.

2) The UTXO allows for the SPV protocol to work. Ethereum currently does not have anything like SPV. There's no way to run a simple wallet on Ethereum without downloading the entire blockchain, or trusting a centralized 3rd party.

3) The UTXO model is overall much more simple, and because it's been used by Bitcoin, it has been thoroughly tested and proven to be secure. Although Ethereum's account model is conceptually easy to understand, it requires more complexities and edge cases in order to secure it from replay and double spend attacks.

4) Scalibility should not be a problem for Qtum. Although contracts can create state changes etc, these state changes are not directly stored on the blockchain. Rather, state is considered the accumulation of all actions and differences created by executing each smart contract. This could admittingly make syncing the blockchain slower (because block processing will be slower than Bitcoin), but the other benefits provided are worth this performance hit. Furthermore, the only additional thing stored in the UTXO set right now is contract code, and contract-owned outputs (though their data becomes unimportant after the output is initially processed). There may be plans proposed later which prune the UTXO set's stored data as well, to reduce the UTXO set size further.

5) SPV will work almost identically to how SPV wallets work today. For a quick summary, a light wallet downloads block headers, and then sends P2P nodes requests (using bloom filters) to get all transactions for each block matching the keys that this wallet own. Because the contract system creates normal transactions, this already works. IF you a contract sends funds to a SPV wallet, the SPV wallet will see these funds and can spend them, today. Our next step with SPV wallets would be to implement a workflow so that people can send money to a contract, while also picking which function and what data to send. We do not need to extend the SPV model to work for Qtum, it already works because of our focus on compatibility.

6) Regarding Hyperledger. I'm no expert on it, so I could be wrong. But I think that their support could end up being worst of both worlds. Now, anything wanting to interact with Hyperledger must be capable of dealing with the quirks of both models. From my understanding also, they only support either UTXO or Accounts on one ledger at a time also (though there is much functionality for messaging and sending things between these ledgers). So I do not think it makes Hyperledger's model better, but rather more complex. Perhaps this complexity provides more power to Hyperledger's model, but it also introduces more security concerns and increases the implementation cost of Hyperledger itself, and any application that uses it (due to to having to deal with both models)



Q) It extended bitcoin script to accept  solidity string but another company called CounterParty have already done it on the Bitcoin public blockchain without having to use a new public blockchain. So where is the need? Furthermore, will qtum have to constantly keep in sync with "solc" the solidity compiler to maintain compatibility?

A) Qtum is very different from XCP, XCP uses bitcoin blockchain to store data, and the user have to run XCP software on top of that. Some major drawbacks are the cost of XCP transactions which increased so much that it threatens the whole project now and the complexity to build external software on top of XCP.
Qtum aims to offer an all-in-one solution, not based on any external possible points of failure.

For solc support, we made Qtum with that in mind, Qtum uses the exact same ethereum VM, so it will run any solidity compiled code, in the case of EVM updates, and we will be easily able to update it in Qtum as well.



Q) Qtum is a new altcoin platform but there are enough ethereum, ripple and bitcoin out there. Why another one? It is not a bridge as I was led to understand. It is another bitcoin fork.


A) In addition to my previous reply about Qtum not being “just another bitcoin fork”, I would like to add that quantum is not the average altcoin, it will be one of the best, if not “the best” we have all the means for that, and we will do it.

You say it is not a bridge, but really it is. It is bridging the technology. We are taking what makes Bitcoin great, and what makes Ethereum great, and bringing them together as one. We expect to bridge not the actual monetary value (ie, the market cap) held in each coin, but rather the communities and separate interest. Right now there is a real divide between serious Ethereum users and developers, and Bitcoin users and developers. By aiming to be compatible with the technology involved with both, we hope to merge these communities and be an answer both for 1) Those who want Ethereum smart contracts, but are uncomfortable with the stability of the Ethereum account model and lack of protocol support such as SPV; and 2) Those who like Bitcoin, but are unhappy with it's limitations for implementing smart contracts and more powerful types of transactions. We as a team are also tired of these copy-paste coins that people constantly make to try to get a quick buck, and we would not have chosen to make this it's own altcoin if we had not weighed the cost and benefits very carefully.



Q) What is the block confirmation time? Bitcoin is 10minutes and Ethereum is 18seconds?


A)  Ethereum blocktime of 18 seconds is a bit exaggerated and causes a lot of empty blocks and uncles thus bloating the blockchain with useless data (which resulted in the currently atrophied ethereum blockchain), and bitcoin block time of 10 minutes is a bit too long for a smart contracts platform. We aim to have a block time of 1 to 3 minutes for Qtum.




Q) I did not go too deep into the details of the POS but the protocol is similar to Peercoin's DPOS and it maybe susceptible to coin age accumulation attack if the intention is to incentive to miners that leave their stake longer on the chain. In fact it should be the opposite to prevent long range attack, Bitfury and Vitalik has written good articles on the types of attacks it is susceptible to.


A) Qtum uses BC PoS v3.0 which has removed all major attack vectors, including coin age accumulation. In conclusion, Qtum will be the first standalone UTXO and PoS based smart contracts platform thus making use of the best available technologies to deliver an outstanding blockchain solution.

-----END-----

[roby25]

pasali

[GreenBits]

pasali

Punta ka dito kung gusto mo sumali https://bitcointalk.org/index.php?topic=1747399.0 dagdag kita narin iyan.Basta huwag ka lang spam para mabayadan ka ng tama at hindi ma kick out.

[Coccacc]

pasali

Punta ka dito kung gusto mo sumali https://bitcointalk.org/index.php?topic=1747399.0 dagdag kita narin iyan.Basts huwag ka lang spam para mabayadan ka ng tama at hindi ma kick out.

Yan tama yan, nagsimula na pala sya kahapon, hindi ko napansin. Sali na kayo para ma promote ang proyekto. malaki naman ang rate nya.

[Coccacc]

Reserba.

[Crypto Girl]

mahusay ang iyong pagkakasalin ginoong tagapagsalin, nagawa mong mailipat sa sariling wika ang mensaheng nais iparating ng isang napakagandang proyektong ito,  Ang Quantum, isa ring pagkakataon para mas maunawaan ng mga traders at investor na walang tiyagang magbasa ng Ingles ang ganitong mga thread.

[xLays]

Grabe yung budget nila sa marketing 100+ bitcoin. Talagang public nila lahat. Ito talaga yung mga project na nag successes. Parang ICN lang din to kung saka sakali. 20K sat dati isang ICN ngayon 40K na. Double na agad yung investment mo. Sa pagkaka alam ko pa, yung nag translate nito naka 0.075 na Bitcoin. 3K php din.

[Coccacc]

Grabe yung budget nila sa marketing 100+ bitcoin. Talagang public nila lahat. Ito talaga yung mga project na nag successes. Parang ICN lang din to kung saka sakali. 20K sat dati isang ICN ngayon 40K na. Double na agad yung investment mo. Sa pagkaka alam ko pa, yung nag translate nito naka 0.075 na Bitcoin. 3K php din.

Oo binayaran nila agad ako, maganda yung pag promote nila parang waves yung strategy, hanggang ngayon naghahanap pa din sila ng mga blogger writer etc na pwedeng ma promote lalo yung coin.
bibili din ako nito after mag dump ng mga nabigay na bounties. May future syang tumaas eh saka bago palang maipost dito yung ann may investor na tlaga sila sa china.

[Coccacc]

We were featured on Econotimes.com

http://www.econotimes.com/Qtum-raises-1m-from-leading-blockchain-entrepreneurs-485187

Article text:






"Qtum, a blockchain project that aims to maintain compatibility with existing processes from Bitcoin and Ethereum, has raised $1 million in funding, CoinDesk reported.

According to the whitepaper, The Quantum Blockchain or ‘Qtum’ is a combination of Bitcoin Core, Proof-of-Stake, and the Ethereum Virtual Machine (EVM). The end product, Qtum Core, will allow smart contracts to execute on a Proof-of-Stake consensus model. This ecosystem was designed to provide a familiar environment for Smart Contract and Decentralized Application developers.

The project has received support from a number of notable entrepreneurs in the cryptocurrency and blockchain space including ethereum founder Anthony Di Iorio, OKCoin CEO Star Xu, BitFund founder Xiaolai Li and Fenbushi partner Bo Shen.

Patrick Dai, founder of the Qtum Foundation, told CoinDesk that the amount raised will help the team to prepare the infrastructure required to sell the tokens in a public initial coin offering (ICO), or a public sale of unique cryptographic tokens to investors.

"We raised the money to prove that our approach is right. We used the money to do the minimum viable product. The testnet is live now, but it is private, it is already working”, he said, adding that the Qtum Foundation could seek to raise up to $10m in the token offering.

The project kicked off in March 2016 as a proof-of-concept, and so far it has completed the design of the Qtum model – the world’s first digital currency that can execute smart contracts with a proof-of-stake consensus mechanism based on an Unspent Transaction Output (UTXO) model, as reported by Bitcoin Magazine.

Earlier this month, Qtum said that the team is currently working to make new wallets for desktop and mobile Qtum users. In addition, it is also working to merge the EVM and PoS branches of Qtum. It further added:

“We are extensively testing the Qtum implementation. In addition to Bitcoin and EVM automated tests, we are writing a Qtum specific test suite. Other than automated testing, manual testing is currently taking place as well. After in-house testing, we will request external code reviews and tests from independent software developers and companies.”

Qtum said that after the initial Qtum prototype passes testing procedures, it will be time to launch the Qtum testnet, which has been codenamed ‘Sparknet’. This would mark the final real world test before the official release."

[verdun2003]

We were featured on Econotimes.com

http://www.econotimes.com/Qtum-raises-1m-from-leading-blockchain-entrepreneurs-485187

Article text:






"Qtum, a blockchain project that aims to maintain compatibility with existing processes from Bitcoin and Ethereum, has raised $1 million in funding, CoinDesk reported.

According to the whitepaper, The Quantum Blockchain or ‘Qtum’ is a combination of Bitcoin Core, Proof-of-Stake, and the Ethereum Virtual Machine (EVM). The end product, Qtum Core, will allow smart contracts to execute on a Proof-of-Stake consensus model. This ecosystem was designed to provide a familiar environment for Smart Contract and Decentralized Application developers.

The project has received support from a number of notable entrepreneurs in the cryptocurrency and blockchain space including ethereum founder Anthony Di Iorio, OKCoin CEO Star Xu, BitFund founder Xiaolai Li and Fenbushi partner Bo Shen.

Patrick Dai, founder of the Qtum Foundation, told CoinDesk that the amount raised will help the team to prepare the infrastructure required to sell the tokens in a public initial coin offering (ICO), or a public sale of unique cryptographic tokens to investors.

"We raised the money to prove that our approach is right. We used the money to do the minimum viable product. The testnet is live now, but it is private, it is already working”, he said, adding that the Qtum Foundation could seek to raise up to $10m in the token offering.

The project kicked off in March 2016 as a proof-of-concept, and so far it has completed the design of the Qtum model – the world’s first digital currency that can execute smart contracts with a proof-of-stake consensus mechanism based on an Unspent Transaction Output (UTXO) model, as reported by Bitcoin Magazine.

Earlier this month, Qtum said that the team is currently working to make new wallets for desktop and mobile Qtum users. In addition, it is also working to merge the EVM and PoS branches of Qtum. It further added:

“We are extensively testing the Qtum implementation. In addition to Bitcoin and EVM automated tests, we are writing a Qtum specific test suite. Other than automated testing, manual testing is currently taking place as well. After in-house testing, we will request external code reviews and tests from independent software developers and companies.”

Qtum said that after the initial Qtum prototype passes testing procedures, it will be time to launch the Qtum testnet, which has been codenamed ‘Sparknet’. This would mark the final real world test before the official release."

wow talaga daig pa nito ang bitmixer ah grabe pala yung pondo nila, ang tanong hanggang kailan ito tatagal saka ang swerte nung mga nakasali sa kanila tapos may local posters pa ata tiba tiba sila ah. Pinoy nga pla si blackmamba diba?

[BlackMambaPH]

Sneak Peek 

Quick preview of our mobile wallet.  Earlz mentioned that you will be able to control Smart Contracts from a mobile device.

-Qtum-Brett @Slack

[BlackMambaPH]

Hello guys iniinbitahan ko kayong sumali sa aming Q&A Session sa Slack channel natin. Kasalukuyan na po itong nagaganap.

Patrick Dai will be joined by our lead developer Jordan Earlz.  One of our Angel Backers, Bo Shen will accompany them and say a few words.

https://bitcointalk.org/index.php?topic=1720632.msg17696520#msg17696520

Click here to join our Slack: https://qtumslack.herokuapp.com/

[BlackMambaPH]

Update:

Qtum Press Update:





Forbes did an article about the Qtum project.  We are working with other publications, so expect to see more press over the next few days.



http://www.forbes.com/sites/rogeraitken/2017/02/06/qtum-mixing-bitcoin-ethereum-launching-proof-of-stake-smart-contracts-platform










Purporting to have a host of tech innovations in the pipeline and influential partners, the architects of the Qtum blockchain – Qtum Foundation – have gained a prominent group of Angel investors and signed up a top four accountancy firm for project governance and risk control. The founder of Kuaidi, a major Chinese car-hailing service that merged with DiDi, and a big global bitcoin holder are amongst the backers.

It was through this network that US$1m was raised last year to kickstart that the Singapore-based project, which has the ambitious goal of becoming the ‘Blockchain of China’ no less.

Having previously announced plans to meld the Bitcoin protocol with Ethereum technology, they are now launching the first ‘Proof-of-Stake’ smart contracts platform. It is all part of what the developers behind the project hope “can disrupt entire business models” by spawning a series of ideas and engagement with enthusiasts.

The Backers

A group of ten major backers have provided their financial support and opened up their network of connections to help accelerate development of the Qtum technology and infrastructure around it. However, the identity of the top accountancy firm helping with the project’s governance structure remains undisclosed for now.

“All of our investors are strategic backers as well as financial backers,” explained Patrick Dai, the 27-year co-founder of Qtum (pronounced ‘Quantum’). It is the Qtum Foundation, established last November and headquartered in Singapore, that is the decision-making body driving the project’s development.

By any measure we are talking to some big hitters on the investment scene when looking down the list of the protagonists supporting Qtum’s endeavours.

As well as Chen Weixing, the billionaire founder of Kuaidi being in the fold, there is Anthony Di Iorio, Ethereum founder and CEO of JaxxWallet; Jeremy Gardner, co-founder of Augur and EIR at Blockchain Capital; David Lee Cuo Chuen, founder of Left Coast, Libai, and DLEE Capital Management.
Recommended by Forbes

Then there is Bo Shen, General Partner at Fenbushi Capital; Jehan Chu, Managing Partner at Jen Advisors; Qingzhong Gao, director of Huawei Strategic Cooperation; Xu Star, OKCoin CEO; Lihua Yi; and, Partner of ZhongWo Investment. Add to that Xiaolai Li, one of biggest bitcoin holders in the world and a Blockchain Angel backer.

Dai, a Computer Science PhD candidate at the Chinese Academy of Sciences, commenting on the level of investment attracted said: “We raised more than we originally intended to get the project started.”

He added: “But since these backers were able to provide a great deal of technical and strategic support, we saw it as very beneficial to the project. This has enabled us to hit a few major milestones before our crowdsale.”

A former Alibaba senior product manager, Dai told Forbes that funds from this crowdsale will be used to develop the technology and “enhance the usability of the platform”.

He asserted: “Qtum is committed to creating a globally influential open source community by co-operating with other blockchain communities, third-party developers and technological innovations.” Their ultimate goal is to bring blockchain technology into industries spanning finance, social, mobile, the Internet of Things (IoT) as well as other sectors.

While they clearly want to the community to be involved in helping develop this platform, Qtum has yet to decide on a date for its crowdsale.

As a combination of Bitcoin Core, Proof-of-Stake (PoS) and the Ethereum Virtual Machine (EVM), the end product of Qtum Blockchain is Qtum Core, which will allow smart contracts to execute on a PoS consensus model.

A major Qtum goal is to build a so-called Value Transfer Protocol, which along with decentralized applications (dapps) can be used to support and enhance various industries. Another goal is to maintain compatibility with existing processes from Bitcoin and Ethereum, to be as secure as possible and to be used not just in the finance industry.

While Qtum can in theory be used just like Bitcoin to send and receive digital currency – except for the PoS modifications – the real power of Qtum centres on the Smart Contract system.

What’s The Interest?

Many consider Qtum to be the top team coming out of China given their industry expertise and enterprise interest. “Our backers like the fact that we have taken into consideration what has and has not worked for blockchain technology…and they see us building from there,” he said. And, the pioneers and the backers aim to make this technology extremely usable going forward.

Dai added: “There is high demand for China to have its own blockchain and our objective is to be the blockchain of China and gradually advance from there to be one of the top technology platforms in the world.”

The team at Qtum alongside Dai includes Jordan Earls, Qtum Core developer, and Neil Mahi, Qtum Blockchain Architect. Earls, who has been developing software since he was thirteen, reviewed over 100 altcoins and identified multiple exploits in coins.

Mahi, who has Master’s degree in Business Administration from ISCAE but specialized later on in computer science, has around twenty years’ experience developing software and four years’ experience in the blockchain space. There are also former employees from some China’s biggest companies including Alibaba, Baidu and Tencent in the team.

Bitcoin Core Protocol

From a technical perspective, Qtum is an open-source value transfer protocol and decentralized application platform, which is boldly touted as an “elegant new paradigm” combining  the stability of the Bitcoin Core protocol with an enhanced version of the EVM called the Qtum Virtual Machine (QVM).

Some have expressed the view that it is basically just another bitcoin fork with extension to the bitcoin scripting language and a new altcoin platform. The founders counter those claims.

While the Bitcoin Core is the most thoroughly tested blockchain code in the world, with billions of dollars of trust within the network and millions of dollars spent each year for the developers to maintain and enhance it, “unfortunately bitcoin is limited in what it can do with its simple script language” according to Dai.

“Primarily it’s used for sending value. On the other hand, ethereum allows for many use cases; but the source code is not as stable and secure as bitcoin’s source code,” he explained.

“The new paradigm of Qtum is where we bring the new industry-friendly consensus with a stable, safe and scalable platform. Qtum is combining the best parts of bitcoin and ethereum,” contended Dai.

As such it is claimed to be “consistent” with Bitcoin Improvement Proposals (BIPs), as it is based on Bitcoin’s unspent transaction output (UTXO) model, while allowing real-time interactions with the QVM.

Account Abstraction Layer

This is said to be accomplished by using Qtum’s Account Abstraction Layer, which allows the QVM to operate on a stable and proven platform – without the use of Ethereum’s account model. (Note: The open source project integrates the EVM with Bitcoin’s UTXO model and aims to provide smart contracts to businesses worldwide).

Dai pointed out: “Bringing a superior version of the EVM to the UTXO model does more than just allow the standard smart contracts you can perform on Ethereum. And, we plan to expand on this in the next few weeks.”

This Smart Contract and Decentralized Applications platform is further held up as allowing developers to “easily port” projects from the Ethereum blockchain to Qtum’s. But one might ask how exactly.

“All current ethereum projects can be easily ported to Qtum platform since the Qtum platform is compatible with EVM,” explained John Scianna at Qtum, who has worked for several startups included CoinPip and been following bitcoin since 2012. “The only thing a developer needs to do is to construct the states of contract and account based on the Qtum Account Abstraction Layer.”

He added: “We already have two community project. One is springemail (BiSMTP: Blockchain integrated SMTP), which we hope everyone will use their email as a wallet address, so people can send and receive cryptographic tokens through their email address. It aims aim to improve the usability of the blockchain industry.”

Likewise Qloha, is another project that will integrate into WeChat’s new mini app platform whereby people will be able to send and receive tokens through WeChat. Both these projects aim to improve the usability of the blockchain industry.

Qtum’s Roadmap

The startup has revealed that it is “constantly looking” to implement not just what designs they have now, but also to ensure that the designs they are building will be extensible and work well as a foundation to build on for their future activities.

While these are “in-flux designs”, some ideas currently being discussed include: better and faster interactions with smart contracts from SPV wallets, making data feeds a ‘first-class citizen’ on the blockchain with efficiency and usability improvements and Automatic/periodic contract execution, plus enhancing side-chain support with smart contracts.

They have also not limited themselves one particular industry, which is why they have talked to many different potential stakeholders so that they could build an “industry agnostic” platform and not be oblivious to actual business needs.

Embracing Blockchain Technology

Qtum is a compatible community that according to Dai “embraces much of the best Blockchain technology available.”

Through the use of Oracles and data feeds, Smart Contracts can be made that allow anyone to take part in a living economy. This decentralized economy model under Qtum will be fully open sourced, meaning that any developer is welcome to review the code base completely.

An Oracle is a particular agent (i.e. entity, node or address) that is trusted by the participants in the blockchain. An Oracle network can be used to implement a system for off-blockchain computations and (total or partial) contract code execution.

“Useful and exciting smart contracts operating on public blockchains may need or require to process certain data (e.g. financial, economic, business, meteorological, social) that is external to the blockchain (i.e. out-of-blockchain data),” Dai explained.

For example, the result of a smart contract execution could depend on external data such as exchange rates, the GDP of countries, temperatures in cities and sports scores amongst other data. The term data-feed refers to any system, procedure or technique used to fetch ‘off-blockchain’ data and feed it to a smart contract – or decentralized application – being executed on the blockchain.

“Platform approaches based on a blockchain with a built-in virtual machine have the limitation that every node must execute (run) all of the smart contracts in real time, leading to slower speeds and redundant processing,” Dai stated. “Then, it’s possible that smart contracts that are computationally expensive would consume (take) an enormous amount of resources when being run on the blockchain.”

Therefore, in such cases a full execution of the smart contract on the blockchain may not be the best choice. And, he indicated that it might be “better or even necessary” to run the contract or part of its source code off-blockchain, where computations can be done at a much lower cost.

Also, given the public nature of the blockchain – where data and computations are publicly visible – and the privacy requirements of many financial transactions, off-blockchain executions could be necessary to preserve the privacy of smart contracts data and transactions.

Blockchain Ecosystem & Issues

As a promising ecosystem, Qtum Blockchain as well as combining the advantages of Bitcoin and Ethereum community it is said to address the “inherited problems” of existing blockchain systems.

These problems span the lack of business-oriented smart contracts in that the current smart contract platforms are mainly based on ‘Proof-of-Work’ (PoW). However, according to a recently published Qtum whitepaper the “consensus mechanism of Proof-of-Stake is more suited for business applications.”

There is also issue of compatibility between different blockchain technologies. Bitcoin’s UTXO model, for example, is not compatible with Ethereum’s account model.

One can also add the lack of flexibility consensus mechanisms because of different participants. Requirements of consensus mechanisms in the public chains and permissioned chain are different,

Then there is the lack of consideration for business compliance requirements (i.e. identity and KYC/AML requirements of the financial industry, which the current blockchain implementations cannot fully support).

Furthermore, current blockchain systems are not open enough, with most of the triggering criteria for smart contracts being set on the blockchain itself. And, there are no triggering criteria from ‘off-chain’ data sources, which can be used to build a connection with the real world.

As to when Qtum’s platform is expected to launch in 2017, the Foundation hopes to launch it this summer. The testnet is expected to be available in a few months’ time from now.

[GreenBits]

Sneak Peek 

Quick preview of our mobile wallet.  Earlz mentioned that you will be able to control Smart Contracts from a mobile device.

-Qtum-Brett @Slack

Ito ang inaabangan ko sa Qtum kung paano nila ito gagawin.Sana maging successful yung pag release ng mobile app na iyan kasi laki ng lamang ng Qtum sa Ethereum pag nagkataon.