Ethereum 工作与竞赛

Ethereum is a decentralized platform that runs smart contracts- applications that run exactly as programmed without any possibility of downtime, censorship, fraud or third party interference.
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项目/竞赛 描述 竞标数/参赛作品数 技能 已开始 结束 价格(CNY)
Decentralized ERC20 and ETH Wallet Hello there, I need to decentralized web wallet. Features: - Login and register - 2FA auth (at the request of the user) - Deposit / Withdrawal, ethereum and erc20 tokens. - Tokens and all ether control with smart contract. (management has to be mine) - Logout 2 PHP, Javascript, 创业公司, Blockchain, Ethereum May 27, 2018 今天6天 23时 ¥1377
BTC/Blockchain 100$ needed. I can pay here up to 200$ for them now . Its urgent Also i can pay in advance here for sure , just the project will be completed once i recive the coins ... BTC/Blockchain 100$ needed. I can pay here up to 200$ for them now . Its urgent Also i can pay in advance here for sure , just the project will be completed once i recive the coins ... 0 Bitcoin, Ethereum, 矿业工程, Open Cart May 27, 2018 今天2天 22时 ¥70
ethereum token airdrop snapshot i need my own ERC20 TOKEN holders snapshot tool to capture specific past time zones. it also must be able to set the minimum quantity and The output must be a csv file. 0 Ethereum May 26, 2018 May 26, 20185天 20时 -
Need a blockchain development expert to develop a decentralised chatting network I'm looking for a blockchain development expert, who can develop a decentralised chatting network. Please quote your price, and time duration. 5 Bitcoin, Blockchain, Ethereum May 26, 2018 May 26, 20185天 18时 ¥15189
My Ether Wallet script changed to include Erc20 tokens exchanged with ethereum source code: [login to view URL] site: [login to view URL] I need this script changed to included exchange erc20 tokens with ethereum. Wallet will work exactly the same as my ether wallet script it will just have the function to add tokens (already has this function) and you can exchange with ethereum. this will work in the way as a normal decentralized exchange except all will be done at the sa... 6 PHP, Javascript, Bitcoin, Blockchain, Ethereum May 26, 2018 May 26, 20185天 16时 ¥761
CREATOR TOPIC BITCOINTALK I need people for create topic in bitcointalk about our ICO. And manage topic. For 1 month. And will paid every month. I need level member in bitcointalk with legendary or senior. Not newby. 4 Blockchain, Ethereum May 26, 2018 May 26, 20185天 11时 ¥172
Certify Documents Ethereum Certify Documents Ethereum for web and Movil 0 Ethereum May 25, 2018 May 25, 20184天 18时 -
Create CryptoNight Heavy Coin (like Loki, Monero or Sumokoin) CryptoNote I am looking for an experienced developer to create a new Cryptonight heavy coin that is ASIC resistant. I will also need a Windows wallet created to support the new coin. I don't actually mind if this is a fork on Sumokoin as that is a great project and will be a good base for the start on this new coin. I will also need this coin to be compatible with cryptonote-nodejs-pool. Which is th... 11 Bitcoin, Blockchain, Ethereum May 25, 2018 May 25, 20184天 17时 ¥13715
Develop an ethereum smart contract for storing hashes (strings) The goal of this project is to create a smart contract for storing hashes(strings) in the blockchain and rewarding tokens for each submission. Hashes and hash infos are to be publicly accessed without execution of functions on the smart contract (use mappings). The reward system is based on voting and the tokens are created once each hash reaches a minimum amount of positive feedback. The proje... 10 Ethereum May 25, 2018 May 25, 20184天 16时 ¥1560
TradingDot 0,5 USD per every single idea (>250characters) on [login to view URL]! If you're interested simple apply to us. Before contact, read this description: Are you Forex freak?? We need someone, who can make some positive mess on the [login to view URL] by adding posts and short ideas about FOREX CRYPTO AND STOCKS mainly in English language. For EVERY post and idea additionally you will be... 1 财务调查, Article Writing, 英语(英国), Bitcoin, Ethereum May 25, 2018 May 25, 20184天 14时 ¥988
Angular developer needed for erc20 exchange frontend developer having experience in angular js. Need site like [login to view URL] i have developer doing exchange contract. I need developer to do the rest if the functions needed for [login to view URL] functions in new site 22 PHP, Javascript, Angular.js, Ethereum, API May 25, 2018 May 25, 20184天 6时 ¥943
Ethereum Smart Contract I need a solidity developer to develop a Ethereum smart contract. More details on how the contract works if interested. 20 Blockchain, Ethereum May 24, 2018 May 24, 20184天 3时 ¥4213
Blockchain StartUp ( ethereum based) recruting experts Hello Freelancers, I am looking for blockchain experts on ethereum based projects. I don`t want to tell you too much here on the public Project post. But I am looking for someone who wants to change the world and want to be a part from scratch of a new company. I do prefer peoples from the Ukraine and Russia because I know there work ethic and their mentality. Pls make sure to answer me These Qu... 13 PHP, HTML, Bitcoin, Blockchain, Ethereum May 24, 2018 May 24, 20184天 ¥338
Blockchain engineers Blockchain engineer to support a token launch on Ethereum 25 Blockchain, Ethereum May 24, 2018 May 24, 20183天 13时 ¥178
密码学, 机器学习, 人工智能, Blockchain, Ethereum May 24, 2018 May 24, 20183天 12时
Kickstarter-like project with ERC20 Token support Hello. We are looking for a company which can complete the following tasks for kickstarter like platform. Need rough estimation for the following scope: 1) User management, User settings + KYC 2) Submission, moderation, browsing of projects 3) ERC20 wallet on Web + server-side transactions. 4) Credit cards and other payment options. 5) Internal messaging system 6) Smart Contracts for user assests... 37 Javascript, 软件构架, Ethereum, Web Development, Java Spring May 24, 2018 May 24, 20183天 12时 ¥246388
create coin ethereum based create coin XYZ (not token ) based on ethereum (i will use this coin to deploy smart contracts as transaction fee) using PoS mechanism and support masternode. each blocksize maybe max about 5MB and every 1 Minute/block 'mining' pool/nodes apps , blockchain explorer, desktop wallet. [Removed by Freelancer.com Admin] 41 Javascript, Golang, Blockchain, Ethereum May 24, 2018 May 24, 20183天 11时 ¥12333
Metamask API intergration for users back end we are looking for someone who can help finish the metamask integration on our backend so people can buy our ERC20 tokens and they go to their meta mask wallet that they either import or create from within our back end. 15 PHP, Bitcoin, 软件开发, Blockchain, Ethereum May 24, 2018 May 24, 20183天 11时 ¥3161
Fork Ripple - submit how is possible? I want someone who can fork Ripple. develop wallet Web wallet mobile wallet iOS, Android 11 密码学, Blockchain, Ethereum May 23, 2018 May 23, 20183天 5时 ¥16222
-LoveChain- Virtual and blckchain version of the locker you can find on the "pont des arts" in Paris. Simple App where you can put your name and the name of your lover, and write it in the ethereum blockchain forever. After validation you will receive a certificate with the block number. I want to have an iOS version for this app and accept Apple Pay as payment system. That will implied to wait for ... 28 Mobile App Development, iPhone, Objective C, Blockchain, Ethereum May 23, 2018 May 23, 20183天 2时 ¥24176
Build a Investment Website I want a website with latest graphics which also have a member login, admin login, and super admin login. I want a cryptocurrency payment gateway and automatic withdrawal system to customers account. 11 PHP, 密码学, Bitcoin, Blockchain, Ethereum May 23, 2018 May 23, 20182天 22时 ¥3028
web/desktop APP developer I need a web/desktop app developer with past experience. please bid only only if you have. 20 网站设计, 平面设计, 密码学, 应用程序开发, Ethereum May 23, 2018 May 23, 20182天 19时 ¥962
Are you a blockchain technology and cryptocurrencies enthusiast? Looking for a job opportunity? Do you want to integrate our project? The blockchain is a wonderful thing. It’s only been around for ten years, and it’s already taking the world economy and shaking it by the roots. As it turns out, the economy isn’t the only thing the blockchain is set to transform. Cryptocurrency networks are being utilized on a variety of different fronts to do everything from saving the planet to choosing the nation’s nex... 21 PHP, C++编程, Bitcoin, Blockchain, Ethereum May 22, 2018 May 22, 20181天 23时 ¥82
Fix a Bitcoin Fork - All the specs for the coin are done. We just need someone who knows how to add the DNS seeds and make the fork to start mining (and visible to other peers). Please good budgets! 8 C 编程, UNIX, Bitcoin, Blockchain, Ethereum May 22, 2018 May 22, 20181天 21时 ¥2785
Blockchain project assistance We are currently building a crypto exchange and we require assistance to create user wallets for ERC20 supported wallets with all transactions being linked to the eth network. We also require assistance to send transactions after trade success. 22 PHP, Bitcoin, Blockchain, Ethereum May 22, 2018 May 22, 20181天 21时 ¥6495
Watcher of Crypto wallets local tool which can verify balance and transactions on cryptowallets: BTC, BCH, LTC, ETH, DAS, XRP - must communicate via api - return balance + transactions - bulk requests - dont want to use 3rd party service - ready to use open-source solutions - example insight for btc etc... - need bash script which will autoinstall the needed libraries, dependencies, clone git, settings etc on fresh ubuntu ... 9 Bitcoin, Blockchain, Ethereum May 22, 2018 May 22, 20181天 19时 ¥2059
Testers needed with metamask account Also prefer if you already have Rinkeby test Ether. We will be testing a new cutting edge Ethereum dapp. Only apply if you have metamask. I am putting together a paid testing team. 3 测试/质量管理, 软件测试, 网站测试, 可用性测试, Ethereum May 22, 2018 May 22, 20181天 16时 ¥32
Project for Cryptocurrency We need to build our own digital currency. 10 Blockchain, Ethereum May 22, 2018 May 22, 20181天 10时 ¥26458
Smart contract auditing Looking for someone to audit my smart contract. Erc20 token Must have experince auditing smart contract before 22 Blockchain, Ethereum May 21, 2018 May 21, 20181天 4时 ¥7145
Ruby on Rails / Ethereum Need to build a ruby on rails block explorer for a ethereum like coin. With my provided boostrap theme. 15 网站设计, 平面设计, Ruby on Rails, Ruby, Ethereum May 21, 2018 May 21, 20181天 4时 ¥1421
Block-chain Programmer Looking for a Programmer for an indie Block-chain Venture. Prior experience is preferred in e-commerce along with crypto-currency programming . 39 PHP, 电子商务, Bitcoin, Blockchain, Ethereum May 21, 2018 May 21, 201819时 12分 ¥11664
github service about ico I need service in github about my ICO 6 Blockchain, Ethereum May 21, 2018 May 21, 201815时 42分 ¥988
design website from a- z i want design website like [login to view URL] intergration bitgo...usd 200. or negoticiateble price. 41 WordPress, MySQL, Bitcoin, Blockchain, Ethereum May 21, 2018 May 21, 20186时 49分 ¥2754
Launch an ico - Educational video platform Live and offline courses by experienced tutors 10 Bitcoin, Blockchain, Ethereum May 20, 2018 May 20, 20185时 19分 ¥8324
Blockchain Application We are working on Blockchain technology and want to add a highly motivated Engineer to our team in Kuala Lumpur, Bangkok and Singapore office. Work on emerging technologies, building POC’s leveraging internal infrastructure and data, partnering with Product on implementation strategy. Work with technology teams to understand the business demand and ensure design and build of solutions create... 28 C++编程, 编程, 编程, Blockchain, Ethereum May 20, 2018 May 20, 20185时 7分 ¥114
whitepaper ico/token crowdsale I need someone to write whitepaper for my already created token. Whitepaper need to have 10-20 pages with graphs and text etc. Need finish in 1-2 days full. 3 Blockchain, Ethereum May 20, 2018 May 20, 2018已经结束 ¥2862
blockchain for fishing business complete development of fishing business to blockchain and getting the product to ICO stage , Existing model with source code of an finance project is there which need to be customised and get working for fishing business client at asia . All the datas and the flow would be shared by business analyst , implementation of existing finance model source code to fishing business for customised flow . 15 Blockchain, Ethereum May 20, 2018 May 20, 2018已经结束 ¥41701
Write a smart contract A tenant wants to rent an apartment from a landlord. To maximize efficiency, I want to use a smart contract for this. The tenant would transfer the deposit to a third address (escrow account), and the landlord transfers a non-fungible token to this address. Then, on an agreed upon date, the token is transferred to the tenant and the deposit to the landlord. This token would act as a key, used to... 7 Blockchain, Ethereum May 20, 2018 May 20, 2018已经结束 ¥6130
Looking freelancer or team can create new crypto coin. we want talented blockchain developer able to create on javascript based coins, or c/c++ coins XVG, ARK, LISK,ETH. who have done project like this before. need new own coin with web, create decentralized exchange wallet hosting desktop exchange and trading app for our coin. We finding team or freelancer not in company to join our time as a head developer. Who able to work in a partnership mode pl... 36 Javascript, C# 编程, 软件构架, Blockchain, Ethereum May 19, 2018 May 19, 2018已经结束 ¥64032
create a new crypto token Im creating a platform and erc token on ethereum or EOS which can do basic GPS location and update an evolving virtual decentralized marketplace. I would like to speak to you on the phone and ask you questions about your understanding of the Ethereum ecosystem. [Removed by Freelancer.com Admin] -Stephen 25 Java, C++编程, Blockchain, Ethereum May 19, 2018 May 19, 2018已经结束 ¥248053
Decentralized ehtereum token exchange I require a decentralized ethereum erc20 token exchange site. It will be simple similar functions to: [login to view URL] I need to easily add tokens and remove tokens if needed. header banner ad required. mobile friendly import private key and address to fund account with tokens and ether site to look similar style as: [login to view URL] site will be on /trade/ folder as i will create a landing... 19 PHP, Bitcoin, Blockchain, Ethereum May 18, 2018 May 18, 2018已经结束 ¥3231
Create BTC Wallet Project for Bing - add BTC to wallet 15 PHP, Bitcoin, Laravel, Blockchain, Ethereum May 18, 2018 May 18, 2018已经结束 ¥2983
Blockchain Developer for ICO start-up project We are preparing a new ICO project for [login to view URL] based blockchain. Therefore we are searching for new team members, that have the following experiences: - EOS (and general) blockchain understanding - ICO whitepaper experience and understanding - dAPPS experiences 16 Blockchain, Ethereum May 18, 2018 May 18, 2018已经结束 ¥115
Blockchain ICO start-up project We are preparing a new ICO project for [login to view URL] based blockchain. Therefore we are searching for new team members, that have the following experiences: - EOS (and general) blockchain understanding - ICO whitepaper experience and understanding - dAPPS experiences 21 Blockchain, Ethereum May 17, 2018 May 17, 2018已经结束 ¥147
Development and Deployment of a ERC20 Smart Contract we are looking for a real Expert for the development and deployment of a ERC20 Smart Contract on the Ethereum network. Details 1) ICO Generation with the registered wallet 2) Publishing the smart contract on the ETH Test chain and validating it 3) Publishing the smart contract on the ETH Main chain and validating it 24 Blockchain, Ethereum May 17, 2018 May 17, 2018已经结束 ¥3697
Crypto exchange platform 1.0 Function: Registration – People can register and verify phone, email, DI / passport with KYC. After register system should generate a BTC wallet, a ETH wallet, and a Money wallet for each user. Deposit – User can deposit BTC / ETH from his private wallet to system wallet using our system. For money wallet deposit, we will handle it manually, user bank transfer money to us and we ma... 30 PHP, 软件构架, Bitcoin, Blockchain, Ethereum May 17, 2018 May 17, 2018已经结束 ¥13551
Crypto exchange platform Function: Registration – People can register and verify phone, email, DI / passport with KYC. After register system should generate a BTC wallet, a ETH wallet, and a Money wallet for each user. Deposit – User can deposit BTC / ETH from his private wallet to system wallet using our system. For money wallet deposit, we will handle it manually, user bank transfer money to us and we ma... 23 PHP, C 编程, Bitcoin, Blockchain, Ethereum May 17, 2018 May 17, 2018已经结束 ¥11875
Create an advanced token For our client we need an advanced Ethereum token. Solidity code to be implemented must be upgradeable with ERC777 standards. We reply only to those already have experience in this and made other tokens before. 16 C++编程, Blockchain, Ethereum May 17, 2018 May 17, 2018已经结束 ¥5125
Smart contract on erc 20 token i need a smast contract that: - montly make a snapshot of a specific contract token on ethereum blockchain - find address where this token are stored - select if in each address there are more or less than 2500 token - divide (proportionally to quantity of token holded,) eth that there is in a specific addres to all token holder (but only who old more than 2500 token) 39 软件开发, 编程, 编程, Blockchain, Ethereum May 17, 2018 May 17, 2018已经结束 ¥17106
whitepaper for Cryptocurrency ICO project My name is Omar Saeed. I am Senior Financial Consultant of an online B2B ecommerce platform). Our Company is in the process of Initial Coin Offering (ICO) and in that context has created the following documents: • Business & Expansion Plan • Tokenomics paper Both these together form the White-Paper for ICO Token Offerings. We need a price quote from you regarding the belo... 43 技术写作, 电子商务, Bitcoin, Blockchain, Ethereum May 17, 2018 May 17, 2018已经结束 ¥3385
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