Ethereum 仕事とコンテスト

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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プロジェクト / コンテスト 詳細 入札 / エントリー スキル 開始日 終了日 価格(JPY)
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. 8 Javascript, パイソン, ソフトウェアアーキテクチャ, Blockchain, Ethereum Apr 19, 2018 本日6日 19時間 ¥312466
premining pow/pos masternode coins which i created Hello. i need to premine my own coins. i don't know how to premine. i am looking a freelancer who can premine my coin. Thanks 3 暗号化, ビットコイン, Ethereum Apr 19, 2018 本日6日 17時間 ¥46816
Add Cryptocurrency Payments to an AirBnB PHP Script Hello! i have purchased this AirBnB PHP script and I would like to strip it from its current payment methods and add cryptocurrency payments support for Bitcoin, Bitcoin Cash, Ethereum and Monero. Both parties will need to have crypto wallets. The payments will be made via escrow, and the platform will be getting a percentage of the renting fee. Previous experience in Blockchain required! For... 21 PHP, ビットコイン, Blockchain, Ethereum, Web Development Apr 18, 2018 本日6日 9時間 ¥75379
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... 17 ゴーストライティング, Article Writing, コンテンツライティング, Blockchain, Ethereum Apr 18, 2018 本日6日 6時間 ¥4295
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 ビットコイン, Blockchain, Ethereum Apr 18, 2018 Apr 18, 20185日 18時間 ¥2082
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... 24 Javascript, パイソン, ビットコイン, Blockchain, Ethereum Apr 17, 2018 Apr 17, 20185日 6時間 ¥278750
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 22 Blockchain, Ethereum Apr 17, 2018 Apr 17, 20184日 23時間 ¥184581
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, ビットコイン, Blockchain, Ethereum Apr 17, 2018 Apr 17, 20184日 21時間 ¥4402
ERC 20 token Develop and ERC 20 token , dettails about the token will released in private. This is just the first task then we are looking to do the smart contract and the back end. 18 Ethereum Apr 17, 2018 Apr 17, 20184日 20時間 ¥125309
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 32 テクニカルライティング, 研究の執筆, Blockchain, Ethereum, 学問的な執筆 Apr 17, 2018 Apr 17, 20184日 19時間 ¥10982
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 37 C++プログラミング, ビットコイン, Blockchain, Ethereum, Full Stack Development Apr 17, 2018 Apr 17, 20184日 18時間 ¥162461
Smart Contract ETH Going to launch ICO, and need a freelancer to help creating smart contract in ETH. See our website at [URLが削除済みです、ログインして表示してください] 21 Javascript, HTML5, JSON, Programming, Ethereum Apr 17, 2018 Apr 17, 20184日 16時間 ¥45388
Create Payment Gateway CryptoCurrency - RPC Hello, We looking an expert in RPC and PHP / NODE.JS with good knowleadge of crypto currency for create an simple payment gateway for Bitcoin / Etherum, Ferrum coin and Numus coin, like this : [URLが削除済みです、ログインして表示してください] We want allow visitor of an website pay in, ferrum or numus coin and the owner of website or seller of product receive the payment. We will hire only expert with goo... 21 PHP, node.js, ビットコイン, ソケットIO, Ethereum Apr 16, 2018 Apr 16, 20184日 11時間 ¥45957
Daemon instance 0 rejected a supposedly valid block Hello. i am going to make pow/pos masternode coin. i have changed only some parameters from basic coin. And i have installed nomp pool on vps server. when i mine coins in pow phase, nomp says that "Daemon instance 0 rejected a supposedly valid block. " All block was rejecting now. [URLが削除済みです、ログインして表示してください] says as follows: ERROR: CheckBlock() : first tx is not coinbase ERROR: ... 3 Linux, 暗号化, ビットコイン, Ubuntu, Ethereum Apr 16, 2018 Apr 16, 20184日 10時間 ¥70654
Solidity Developer Needed Established live data streaming technology company seeking Solidity developer. We need an experienced Solidity developer with real-world experience using Solidity to create smart contracts to help on a large scale project. You will have the opportunity as a key member of our team to have a integral role in the development and design of our Ethereum-related solutions for several new products W... 20 Java, Javascript, Ethereum Apr 16, 2018 Apr 16, 20184日 9時間 ¥3973
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 10 PHP, HTML, ビットコイン, Blockchain, Ethereum Apr 16, 2018 Apr 16, 20183日 18時間 ¥18147
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 暗号化, Blockchain, Ethereum Apr 15, 2018 Apr 15, 20183日 3時間 ¥99001
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 メタトレーダー, 暗号化, ビットコイン, Blockchain, Ethereum Apr 15, 2018 Apr 15, 20182日 19時間 ¥14752
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が削除済みです、ログインして表示してください] My requirement: I want users to play this game by betting rea... 15 PHP, CSS, ビットコイン, Blockchain, Ethereum Apr 14, 2018 Apr 14, 20182日 4時間 ¥159884
Need a crypto dev for a game You must be an experienced developer in cryptos. You must have worked in cryptos before. You will do backend and frontend. You must have experience with design. You will have to edit casino scripts too, so you must have knowledge in casinos games. Cryptos experience : BTC ETH LTC BCH XMR DOGE NANO NEO VERGE VEN OMG XLM Not interested to use 3rd party site as gateway to manage deposit / wit... 21 PHP, Javascript, 暗号化, ビットコイン, Ethereum Apr 14, 2018 Apr 14, 20181日 19時間 ¥705947
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 パイソン, Blockchain, Ethereum Apr 14, 2018 Apr 14, 20181日 17時間 ¥57337
ERC-20 token payment gateway in PHP I need a payment gateway that works as follows user chooses the product, inserts the ethereum address, inserts the value to be sent, and confirms, there is a qrcode of the address to where it should send the tokern ERC-20 (ethereum), the gateway does an api reading of the Etherscan site at recipient address, if confirmed the transaction, resource released, if not, resource not released 13 PHP, Javascript, MySQL, HTML, Ethereum Apr 13, 2018 Apr 13, 20181日 13時間 ¥15199
Industrial Blockchain Technology Development Please read the job description below very well before you bid. Understand the requirements clearly. If you are capable of performing the task and have the right experience, then send in your comprehensive technical proposal, detailing all features of the blockchain and processes with costing. We are looking for Blockchain developer who can develop an industrial Blockchain Technology specially en... 32 CSS, C++プログラミング, ビットコイン, Blockchain, Ethereum Apr 13, 2018 Apr 13, 20181日 8時間 ¥3723290
Project for Bogdan S. Hi Bogdan S., I noticed your profile and would like to offer you my project. We can discuss any details over chat. 2 アルゴリズム, , ビットコイン, Angular.js, Blockchain, Ethereum Apr 13, 2018 Apr 13, 20184日 ¥26844
Build an ICO page and implement own erc20 token Hi, Need a full-stack developer which will re-design the ICO template with dashboard/admin/user/transactions and implement our own erc20 token into the ico website 38 PHP, MySQL, Blockchain, Ethereum, CSS3 Apr 13, 2018 Apr 13, 201823時間 30分 ¥96272
Expereinced Blockchain Expert for long term project We are looking to hire an experienced blockchain expert for a very long term project. This is a remote based job since you will be more like an advisor to our in-house team of developers. We require someone with a very rich portfolio since this is a very serious and tasking job. IT will involve research and new techniques of using the blockchain to solve problems. Budget is for weekly services 33 ソフトウェアアーキテクチャ, データベースプログラミング, Blockchain, Ethereum Apr 13, 2018 Apr 13, 201820時間 30分 ¥984538
ERC 20 Token for ICO with contract I need an ERC-20 token created with contract and must be verified on etherscan. will give you details of token in chat. ***ONLY BID if you have created tokens before 27 暗号化, ビットコイン, Blockchain, Ethereum Apr 11, 2018 Apr 11, 2018終了 ¥77650
Blockchain voting platform What i have in mind is really user-simplified voting/election platform with some kind of registration (preferably Facebook login) which would prevent bot voters and prevent multiple votes from same person. So basic concept as imagined: User signs into platform with FB profile. No personal data gets stored, only data which is necessary to check if some specific FB profile has already voted/sign... 27 HTML, node.js, Blockchain, Ethereum Apr 11, 2018 Apr 11, 2018終了 ¥88835
Blockchain - ethereum developer Prototype and mature blockchain efforts. 30 Blockchain, Ethereum Apr 11, 2018 Apr 11, 2018終了 ¥2362
ICO expert needed Tell me what talents and insights you have to offer. 6 広告, ビットコイン, Blockchain, Ethereum Apr 11, 2018 Apr 11, 2018終了 ¥11489
Build Ethereum based Token I need a token based on Ethereum and also need trading and exchange of cryptocurrency. I will prefer the candidate or a team who have done the similar project and have source code ready. I need it ready within 2 Days. I need it on my server till tomorrow morning. I will reject the automated bids. Please write 'Hello Srinivas' on the top of the bid. 10 node.js, ビットコイン, Angular.js, Blockchain, Ethereum Apr 11, 2018 Apr 11, 2018終了 ¥829719
Ethereum token creation Erc20 tokens I need erc20 token created for my site. I need 500,000,000 tokens created and sent to my ether address. 17 ビットコイン, Blockchain, Ethereum Apr 11, 2018 Apr 11, 2018終了 ¥46738
Litecoin/Loafwallet Fork Troubleshoot an issue We are running a fork of loafwallet and it's stopped syncing the blockchain after 2016 blocks (difficulty boundary).  It seems the SPV client doesn't like the block headers it is getting from the full node.  The setup is working fine on our testnet build, but not on mainnet. [3:01 PM] Chris Horn: Seems to be a problem with [URLが削除済みです、ログインして表示してください] the debug log ... 2 ビットコイン, Blockchain, Ethereum Apr 10, 2018 Apr 10, 2018終了 ¥65607
ICO advertiser We are getting ready to launch an ICO and we are looking for someone that knows how to do the advertising. Please contact us. 7 広告, ビットコイン, Blockchain, Ethereum Apr 10, 2018 Apr 10, 2018終了 ¥11489
ERC 20 and withdrawal prices automated ERC 20 and withdrawal prices automated Bid only Experienced developers, and show me the previous projects you worked with Ethereum. 11 PHP, Javascript, CSS, HTML, Ethereum Apr 10, 2018 Apr 10, 2018終了 ¥28962
Web App With Delegated Proof of Stake I'd like to add blockchain functions to an ERC-20 token for a social networking application. - What past project or job have you had that is most like this one and why? Please show me it. Blockchain Ethereum Solidity Website Development 20 ウェブサイトのデザイン, Blockchain, Ethereum Apr 9, 2018 Apr 9, 2018終了 ¥120047
Ethereum Smart Contract Lottery Written Using Solidity We are looking for someone to write an Ethereum Smart Contract for a lottery with the following conditions: 1) Contract runs for 14 days. 2) During the 14 days - every day it makes a small winner based on criteria. 3) 1 Large winner at the end. 4) Contract destroys and starts a new one at the end. 5) Holds back 20% for a specific ethereum address. 6) Contract hold ethereum and distributes ... 15 Javascript, C++プログラミング, JSON, Blockchain, Ethereum Apr 9, 2018 Apr 9, 2018終了 ¥145745
build a token build a token on ethereum blockchain(erc20) with unlimited supply of tokens 33 ビットコイン, Programming, Blockchain, Ethereum Apr 9, 2018 Apr 9, 2018終了 ¥90304
IDEX Decentralized Ethereum Cryptocurrency exchange bot -----Someone else posted a project like this earlier but I am a different person and need the following slightly updated functionality Summary: I want a market-maker bot for IDEX decentralized cryptocurrency exchange. This bot should be programmed preferrably on node.js Project description: At the end, the bot should be able to send buy and sell orders on IDEX exchange. In order to do ... 22 パイソン, node.js, ビットコイン, Blockchain, Ethereum Apr 9, 2018 Apr 9, 2018終了 ¥152475
Resonate Cooperative The Resonate Cooperative is seeking someone with a background in financial analysis and/or stats for a small freelance job. You will help us to calculate various trajectories of spend/earn ratios and to anticipate how our decentralised music streaming service will scale upon the release of our ERC-20 Resonate Culture Token (RCT) later this year. Tokens will be earned and spent by artists, listener... 17 統計, 数学, 財務分析, 統計分析, Ethereum Apr 9, 2018 Apr 9, 2018終了 ¥161510
Consultation for a Smart Contract Dapps project Please read this attached file to understand my requirements, Many thanks 11 PHP, Javascript, Blockchain, Ethereum Apr 8, 2018 Apr 8, 2018終了 ¥13959
Etherium and crytocurrency expert I hope find someone who can help me with crytocurrency technology. If you have rich experience in that field, then please contact me. And This is the long-term project Thanks. 19 PHP, node.js, Blockchain, Ethereum Apr 7, 2018 Apr 7, 2018終了 ¥19452
Solidity Programmer to develop the Ethereum ER20 Contracts for 1 to 2 month project !!IMPORTANT: PLEASE ANSWER MY QUESTIONS Experience Required: - 3 years of professional programming experience in any language. Understanding of core concepts like object-orientation, data structures, and algorithms, and algebraic equations. - 1 year or 9000+ hours of recent experience programming in Solidity to develop real-world, customized ERC20 token contracts (This will not be a cookie cu... 13 アルゴリズム, 契約, デバッギング, Ethereum Apr 7, 2018 Apr 7, 2018終了 ¥3835
Need Blockchain Developer/Freelancer Hi, I am looking for a freelancer / developer who have expertise on Blockchain Technology. I would pay fixed 10 USD/hr. Kindly bid only if you are OK with my price rates. 7 ビットコイン, Blockchain, Ethereum Apr 7, 2018 Apr 7, 2018終了 ¥1289
marketing expert ICO'S This is not for a website designer. This job is for a person who knows how to promote and advertise an ICO and has a lot of experience. Tell me about your experience for an interview. 10 マーケティング, ビットコイン, Blockchain, Ethereum Apr 7, 2018 Apr 7, 2018終了 ¥12456
BLOCKCHAIN/dApps development company This project is strictly for teams and companies with demonstrable proof of work force with profiles and proof of projects by Github accounts and live projects. Blockchain/dApps are becoming very popular in Nigeria, especially at the enterprise level and I often get requests from within and all over the world to manage such projects. I require a team/company to develop for me when I get these p... 17 暗号化, Blockchain, Ethereum Apr 7, 2018 Apr 7, 2018終了 ¥82573
Cryptocurrency expert for trading page Hello everyone, To make sure everybody fully understands what I am expecting I will explain it now in details and I hope you all read it to the end. You need to be experienced with blockchains, btc. I am currently building a trading platform ( [URLが削除済みです、ログインして表示してください] ), the main design is done and still needs some work and some features but now I am looking for someone to develop the pay... 27 ビットコイン, ソフトウェア開発, Blockchain, Ethereum, Web Development Apr 5, 2018 Apr 5, 2018終了 ¥424070
Decentralized Ethereum Token Exchange (Phase 1 of 2 - Please read description) I require a decentralized Ethereum Token Exchange website. This site will be different from others as all tokens can be traded against ethereum and also each other. For excample if their are 3 tokens you will have: token a/eth token b/ eth token c/ eth token a/token b token a/ token c token b/ token c and so on.... Exchnage system will be similar to [URLが削除済みです、ログインして表示してください] where... 10 ビットコイン, Blockchain, Ethereum Apr 5, 2018 Apr 5, 2018終了 ¥41101
Training on Ethereum Blockchain Training on - Ethreum Blockchain ETH, Web3, Deployment Writing Smart Contract ERC 20 Tokens Etherscan Admin Account Private Keys How Exchange works 14 Blockchain, Ethereum Apr 4, 2018 Apr 4, 2018終了 ¥42736
Create a service similar to I am looking for someone to help me create a service like [URLが削除済みです、ログインして表示してください] I do not need a UI, all I need is some type of admin panel where contracts can be created for different pools. Here is what primablock does in case you are not familiar. 1) A company starts an ICO 2) Someone decides to form a group to contribute money to ICO and creates a contract 3) Everyone from a group... 16 Blockchain, Ethereum Apr 4, 2018 Apr 4, 2018終了 ¥431970
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ethereum freelancers