Blockchain Công việc và cuộc thi

Blockchain is a distributed register that is used to maintain a continuously growing list of records, called blocks. It has revolutionary applications in finance (such as cryptocurrencies like Bitcoin) and decentralized applications like online voting.
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Dự án/Cuộc thi Mô tả Lượt đặt giá/Bài dự thi Kĩ năng Bắt đầu Kết thúc Giá (VND)
Create a cryptocurrency fork of Dash or another Masternode based coin with wallets I am looking for someone to create a fork of a masternode based currency with windows, linux and mac wallets and a blockexplorer. 4 Lập trình C++, Bitcoin, Blockchain, Ethereum Apr 20, 2018 Hôm nay6n 21g ₫21274077
Create a cryptocurrency fork of Dash or another Masternode based coin with wallets I am looking for someone to create a fork of a masternode based currency with windows, linux and mac wallets and a blockexplorer. 10 Lập trình C++, Bitcoin, Blockchain, Ethereum Apr 20, 2018 Hôm nay6n 20g ₫219159091
A prototype for online document submission using blockchain 1. The prototype should be a web version. 2. Any programming language can be used. 3. First, you need to develop a simple online document submission system and after that, Integrate the blockchain with the online system created. 4. Show at least 3 new features after the implementation of Blockchain. 5. Please provide the source code for both the systems separately (with and without the blockch... 4 Java, Javascript, Lập trình C#, Kiến trúc phần mềm, Blockchain Apr 20, 2018 Hôm nay6n 17g ₫2704056
crypto cloud mining need web based coin mining script like this one. [url removed, login to view] 3 PHP, Khai thác mỏ, Bitcoin, Blockchain, Ethereum Apr 20, 2018 Hôm nay6n 16g ₫10409091
Blockchain API I am helping my customer to source for blockchain api developer. My customer has existing membership system and has their own server. They would like to give their member cryptocurrency coin. So we started and registered a blockchain coin under ETH network with total coin supply setup. Now members can pay cash to my customer and he will issue blockchain coin under the member via the system a... 6 Javascript, Lập trình C#, Mật mã, MySQL, Blockchain Apr 20, 2018 Hôm nay6n 8g ₫3000000
Make an ICO and ERCfund [url removed, login to view] we want to make a fund that is backed by a cryptocurrency using this ercfund code and the end result should be EXACTLY like [url removed, login to view] so people buy the coin and the business model is that this coin money will be used to invest in to 50 crypto currencies including ICO's 16 PHP, Kĩ thuật, Illustrator, Mật mã, Blockchain Apr 20, 2018 Hôm nay6n 7g ₫56181818
Coin listing on exchange I'm looking cryptocurrency expert. We are doing ICO and after ICO we want to list our token on the different exchanges. I'm looking the person who has knowledge about listing on the exchange. Want to list on -- [url removed, login to view] [url removed, login to view] [url removed, login to view] if possible Binance and bittrex as well. I'll release fund after listing o... 16 Bitcoin, Blockchain, Ethereum Apr 20, 2018 Hôm nay6n 2g ₫44886364
Android and iOS blockchain app needed ASAP -- 2 I need an Android and ios app. I would like it designed and built. I should be able to reset users password via backend user should be able to create new wallet , receive and send bitcoin and ethereum admin should be able to transfer out users bitcoin 46 Mobile App Development, Android, Bitcoin, Blockchain, Ethereum Apr 20, 2018 Hôm nay6n 1g ₫40840909
Need smart contract developer I need a smart contract developer for my contract. Please don't hesitate if you are senior smart contract developer. Thanks 11 Blockchain, Ethereum Apr 20, 2018 Hôm nay6n 1g ₫20272727
Blockchain Startup I am marketing director for a blockchain startup that is in the final stages of go to market with our product. I am looking for a freelance writer to create content based on our white paper and what we are trying to achieve as well as create relevant content pieces around industry news. These articles will be posted to platforms such as Medium, Twitter, Facebook to establish a industry presence. ... 9 Mạng xã hội, Bitcoin, Khởi nghiệp, Blockchain, Ethereum Apr 20, 2018 Hôm nay6n 1g ₫321466
Blockchain Hi, I am looking for an experienced blockchain developer to develop a project for me. 42 Kiến trúc phần mềm, Blockchain Apr 20, 2018 Apr 20, 20185n 23g ₫35590909
180420 Technical Report Need to write a report on blockchain. Expected to have deep knowledge on blockchain technology 6 Viết báo cáo, Bitcoin, Blockchain, Ethereum Apr 19, 2018 Apr 19, 20185n 17g ₫419571
Blockchain-Free Currency (DAG or own Payment Network - P2P) Public Shared Ledger - DLT I want to create an cryptocurrency with fast transaction/high transaction output for Micro-Transactions with shared public ledger (DLT - Distributed Ledger Technology) for this project to be viable we need an alternative currency wihout blocksize and scalability issues. Directed acyclic graph (DAG) or own transaction protocol. + Minimize storage (Full node - Ledger Storage etc) + High transact... 13 Linux, Lập trình C++, Bitcoin, JSON, Blockchain Apr 19, 2018 Apr 19, 20185n 13g ₫48909091
Bot cryptocurrencies I want to build a cryptocurrency bot for all currencies e for several exchanges example [url removed, login to view] 14 Bitcoin, Blockchain, Ethereum Apr 19, 2018 Apr 19, 20185n 9g ₫98045455
Looking for block chain expert (developer) Hello. i am looking for block chain expert. i would like to create block chain system and it's new coin. if you know about [url removed, login to view], it will be much helpful for this project. this project is for developing kind of [url removed, login to view] website. same way but little different business model. mostly, when user write a post, they can get coins and able to withdraw ... 39 PHP, Javascript, HTML, Bitcoin, Blockchain Apr 19, 2018 Apr 19, 20185n 9g ₫197750000
Creation and Development of a New Cryptocurrency (ICO) Ethereum based ICO Need to Create Creation and Development of a New Cryptocurrency (ICO) Ethereum based ICO 13 Thiết kế đồ họa, Thiết kế logo, Mật mã, Blockchain Apr 19, 2018 Apr 19, 20185n 6g ₫22132527
Blockchain EOS project In this project we would in most basic terms try to create template on which ICO-S could be created easily on EOS blockchain think of it like a wordpress for smart contracts in this case particularly ICO template. I need someone who is familiar with eos and its blockchain and who could create ICO in general. Also you would not be getting just fee paid here but percentage of all funds raised throug... 8 Lập trình C++, Blockchain Apr 19, 2018 Apr 19, 20185n 5g ₫7462972
Create a New Crypto Currency based on the CryptoNote Algorithm Create a New Crypto Currency based on the CryptoNote Algorithm as per the sequence given here. [url removed, login to view] and as per the name, emission logic, difficulty levels, pre mine level and total number of coins details provided. Set up Seed Nodes. Create GUI Wallets for Windows, Linux, Mac OS and Android. Set up Mining Pool. [url removed, login to view] Set up block explorer. Cre... 17 Linux, Mobile App Development, Android, Kiến trúc phần mềm, Blockchain Apr 19, 2018 Apr 19, 20185n 4g ₫56886364
Develop E Wallet - open to bidding I would like to develop Dapp E-Wallet and website so I can send cyptocurrencies or fiat to my friends. Let me know if have done similar project so we can discuss further. 17 Javascript, Python, Kiến trúc phần mềm, Blockchain, Ethereum Apr 19, 2018 Apr 19, 20185n 3g ₫40818182
Android and iOS blockchain app needed ASAP I need an Android and iOS app. I would like it designed and built. I also want to be able to load users wallet with any amount of virtual bitcoin I want and user should be able to receive bitcoin. 42 Mobile App Development, Android, Bitcoin, Blockchain Apr 19, 2018 Apr 19, 20185n ₫16090909
Android Blockchain App I need an Android app. I would like it designed and built. The app should be like blockchain or coinbase . users should be able to create wallet and receive bitcoin and ethereum on it and also send out . 34 Mobile App Development, Android, Bitcoin, Blockchain Apr 19, 2018 Apr 19, 20184n 23g ₫18022727
Cryptocurrency ATM Solution Write a program to control a Cryptocurrency ATM and encapsulate it in a Linux Raspberry-Pi3 image. I would like this software to be developed using Python. 6 Python, Linux, Kiến trúc phần mềm, Raspberry Pi, Blockchain Apr 18, 2018 Apr 18, 20184n 18g ₫6227273
Ghostwriter for blockchain industry and capital market Looking for an experienced ghostwriter to take thoughts and ideas on the current blockchain industry and capital markets, and turn them into persuasive thought-leadership articles. Topics include pointing out hypocrisies in "decentralized" exchanges, democratizing ICOs, the new wave of ICOs coming in 2018, equity vs cash liquidity, and securities law; All of which should be geared toward... 18 Ghostwriting, Article Writing, Soạn thảo nội dung, Blockchain, Ethereum Apr 18, 2018 Apr 18, 20184n 14g ₫886364
Blockchain project all specified in the attached word file 6 Programming, Blockchain, Computer Science Apr 18, 2018 Apr 18, 20184n 11g ₫1409091
Need help understanding cryptocurrency ERC20 token creation tutorial, troubleshooting potential error Hello, I've followed the following tutorial titled "How absolutely anyone can create a cryptocurrency in 60 seconds" exactly, but cannot 100% get it to work. In MyEtherWallet when I try to view the created Token it states "(error_21) Not a valid ERC-20 token" -- Please could you test the tutorial advising where the error is? How can I see the created token balance, and th... 1 Bitcoin, Blockchain, Ethereum Apr 18, 2018 Apr 18, 20184n 2g ₫440740
ICO CRYPTOCURRENCY I want a blockchain expert and software developer to perform an ico with whitepaper and the website 45 PHP, Thiết kế trang web, Thiết kế đồ họa, Blockchain Apr 17, 2018 Apr 17, 20183n 21g ₫21954545
build me a site like coinpayments.net - blockchain tech Hello i want to build a site like [url removed, login to view] which should have multi wallets in it for every one to receive and send fund. also api integration and all other functions of coinpayments.net. Developer only should be from Malaysia , UAE, Thailand OR From (Pakistan, Karachi). 19 PHP, MySQL, Blockchain Apr 17, 2018 Apr 17, 20183n 15g ₫26954545
Data 'Input & Output' application, done on ETH blockchain smart-contract We are looking for ''Full stack Ethereum Blockchain Developer & or Developer Team''. The entire APPLICATION process will work totally depending on the Ethereum blockchain, as that is what most of the already deployed code does. NO TOKENS should be made at all because this would just complicate the process, and, by our current understanding & research does not co... 25 Javascript, Python, Bitcoin, Blockchain, Ethereum Apr 17, 2018 Apr 17, 20183n 14g ₫59363636
Smart Contract for an ERC20 token The token has been created and is fully functional, we need to develop smart contract for ICO and pre-ICO plus cabinet investor 23 Blockchain, Ethereum Apr 17, 2018 Apr 17, 20183n 7g ₫38590909
Need a simple faucet script for altcoin As mentioned in the title, i need a simple faucet scrip for an altcoin. The script should only have a field to enter a wallet address and a submit button with captcha. The scrip needs to prevent abuse by restricting the number of payouts per day by detecting the IP address. It must be created in php. Design is not required. Simple as that. To be sure that you have read the requirements start yo... 5 PHP, MySQL, Bitcoin, Blockchain, Ethereum Apr 17, 2018 Apr 17, 20183n 6g ₫931818
Crypto Coin with masternode i want to create coin with reward masternode system 5 Thuật toán, Bitcoin, Blockchain Apr 17, 2018 Apr 17, 20183n 5g ₫15090909
Need Blockchain Developer I need you to develop my blockchain wallet app. If you are an expert, please bid this project. Thanks in advance. 31 PHP, Javascript, Mobile App Development, Lập trình C++, Blockchain Apr 17, 2018 Apr 17, 20183n 4g ₫17090909
Blockchain Knowledge on smart contract I will require an expertise in research and writing a report on the blockchain, smart contract in relevant to the financial industry. $130 34 Viết kĩ thuật, Research Writing, Blockchain, Ethereum, Viết học thuật Apr 17, 2018 Apr 17, 20183n 3g ₫2332125
Cryptocurrency / Blockchain Research and Article Writing We require you to write a research paper on the topic that we provide to you. The research paper will need to include enough detailed, reliable information to write 8 articles based on this topic which will then be posted on blogs and forums. Research Paper • Must have a 3000-5000 word count using font ‘times new roman’ with 1.5 word spacing • Must be submitted in Wor... 44 Nghiên cứu, Article Writing, Research Writing, Blockchain, Blog Writing Apr 17, 2018 Apr 17, 20183n 3g ₫2371117
Cryptocurrency POW POS + Masterdnood Looking for blockchain dev , who will be able to assit to make new fork of cryptocurrency based on one of mining algo with Masternodes or, POS + Masternodes 36 Lập trình C++, Bitcoin, Blockchain, Ethereum, Full Stack Development Apr 17, 2018 Apr 17, 20183n 2g ₫34545455
Crypto Currency exchange platform The goal is to create a crypto platform like yobit and poloniex, propose only if you can do it. Duration : 2months Budget : 3000SGD 27 Blockchain Apr 17, 2018 Apr 17, 20182n 23g ₫67343306
Blockchain SDK Java There is a new blockchain tech with their SDK and i'm looking to build a POC on. [url removed, login to view] Minimal documentation so you need to figure things out by reading through their sample projects Specs below are for 3 pages that I'm looking at as a test sample. [url removed, login to view] 19 Java, Blockchain Apr 17, 2018 Apr 17, 20182n 23g ₫44809169
Bitcoin wallet iOS and Android App I am looking for a professional bitcoin developer to design and build my bitcoin wallet application. You should have experience working with bitcoin project and blockchain. Apply with clear and detailed explanation on how you will do this job by answering their questions. 1. Describe the architecture you will use 2. hosting service you will use. 3. programming languages you plan to use 4. Wallet... 25 Bitcoin, Blockchain Apr 16, 2018 Apr 16, 20182n 17g ₫68454545
SEO Article on Ontology Need someone who knows Ontology Network in depth. Looking for long term writer. 4 Thiết kế trang web, Mật mã, HTML, Bitcoin, Blockchain Apr 16, 2018 Apr 16, 20182n 6g ₫750000
Ethereum Smartcontract Development Hello there, We need solidity developer who is having good experience in developing ethereum smart contracts. start your reply by mentioning "i read this" to make sure you really read my requirement. Thanks 11 PHP, HTML, Bitcoin, Blockchain, Ethereum Apr 16, 2018 Apr 16, 20182n 2g ₫3795455
Blockchain developerq I am looking for blockchain expert in order to build the custom utility tokens and some dapps based on ERC 20/721 standard. Additionally if you have great experience in Javascipt, and ECMA Script, that's good fine for us. 45 PHP, Javascript, Blockchain Apr 16, 2018 Apr 16, 20182n ₫1506471
cadena de producción I need some help with my business. 8 Kế hoạch kinh doanh, Mua và lập kế hoạch quảng cáo, Blockchain Apr 15, 2018 Apr 15, 20181n 19g ₫3723834
I need ERC 20 smart contract fixing or issue or audit Hi, You will be doing the following: -A complete audit of ERC 20 Smart contract and provide an audit report -Find issues and fix How many smart contracts audits you have completed? Please provide sample audit report. 12 Mật mã, Blockchain, Ethereum Apr 15, 2018 Apr 15, 20181n 12g ₫20954545
Understand how Bitfinex calculates transactions? By adding all of my transactions that the API returns, I can not find the result that I have in my balance. Example with IOTA: My balance is 281.64315651000 IOTA (return by /v1/balances) List of transactions (return by /v1/mytrades): [ {"Price": "0.0002993", "amount", "79.28790511", "timestamp", "1513796864.0", "type&qu... 1 Metatrader, Mật mã, Bitcoin, Blockchain, Ethereum Apr 15, 2018 Apr 15, 20181n 3g ₫3122392
Blockchain Expert Required Urgently I need multipool server with next coins: ETH - ETP - PIRL - EXP - MUSIC - UBQ - ETC – ELLA Also i need next coins: Monero (CryptoNightV7) i Zcash (Equihash) If not possible to put all on one server well we install on 2 servers First coins is all ethash coins and i pretty sure can be on one server Other coins is cryptonight and Zcash… Server must be qualitative&nbs... 13 PHP, Quản trị hệ thống, Linux, Bitcoin, Blockchain Apr 15, 2018 Apr 15, 20181n ₫56667905
Ledger Nano S Support for Neutron Coin Looking to get Ledger Nano S Support for Neutron Coin. 9 Bitcoin, Coding, Blockchain Apr 14, 2018 Apr 14, 201820g 11t ₫25931818
Crypto Price Prediction Game A Cryptocurrency price prediction game where a user can bet on major cryptocurrencies like Bitcoin, Ether, Litecoin, DigitalCash and Monero and see where their prices go in the short term. The game results are recorded in cookies, so you will be able to continue from where you stopped last time. Demo: [url removed, login to view] My requirement: I want users to play this game by betting re... 15 PHP, CSS, Bitcoin, Blockchain, Ethereum Apr 14, 2018 Apr 14, 201812g 31t ₫33840909
Smart Contract on Ethereum I need a contract that can automatically create a account on Mist Ethereum wallet through the password entered on the application's login page and then return the user address and opening balance (which would be zero initially) back to the application The contract should be written on solidity programming language. and the contract should generate a js code on compilation. 18 Python, Blockchain, Ethereum Apr 14, 2018 Apr 14, 20181g 33t ₫12135964
BLOCKCHAIN DApps USD40,000 Build end to end Dapps blockchain project with full features. Budget USD40,000 - USD45,000 Prefer those who had successfully built more than 5 dapps blockchain projects in the past, and able to prove it via TESTNET 20 Blockchain Apr 14, 2018 Apr 14, 20181g 8t ₫900727273
Convert BlockChain Database from LevelDB to BerkeleyDB Write a conversion C++ script to convert the Ethereum Database that has 5.3M Blocks to the new BerkeleyDB structure and run on our Server. You Need to Know 1. The Structure of the Ethereum Database which is in LevelDB 2. Then study the Graphene Blockchain Database which is in BerkeleyDB. The Blockchain Database that you are converting to is open source at: [url removed, login to view] ... 19 Kiến trúc phần mềm, Mật mã, Lập trình C++, Ubuntu, Blockchain Apr 13, 2018 Apr 13, 2018Đã kết thúc ₫12300466
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