Фильтр

Мои последние поисковые запросы
Фильтровать по:
Бюджет
по
по
по
Тип
Навыки
Языки
    Статус работы
    3,137 ethereum работ(-а,-ы) найдено, цены указаны в USD

    Необходимо создать смарт контракт на базе Ethereum для проведения ICO подобное Ice Rock Mining ([войдите, чтобы посмотреть URL]), разработка сайта ICO с кабинетом инвестора, все вопросы пишите мне

    $638 (Avg Bid)
    $638 Ср. ставка
    9 ставки

    Необходимо создать эмблему футбольного клуба mfc Cryptology. 1) Эмблема должна быть стандартного размера. 2) Эмблема должна быть выполнена в CorelDRAW. 3) Эмблема должна включать в себя изображение Bitcoin , Ethereum и футбольный мяч, по верхней части окружности должна быть выполнена надпись: mfc Cryptology , в нижней части окружности год основания клуба: 2017. (Примеры изображений Bitcoin ...

    $105 (Avg Bid)
    Гарантированный

    Требуется разработать рассыльщик сообщений в сети Ethereum 1. [войдите, чтобы посмотреть URL] тут пример такой транзакции. [войдите, чтобы посмотреть URL] 2.Транзакция имеет минимальную стоимость и небольшую комиссию. 3.в input data вписывается сообщение вида 0xТекст_латиницей_в_шестнацатиричном_виде 4.однажды получатель просматривает свои транзакции и видит такое сообщение и смотрит комментари...

    $285 (Avg Bid)
    $285 Ср. ставка
    3 ставки
    NodeJS FullStack Developer Завершено left

    Мы ищем разработчиков. Мы не студия, но ведем одновременно несколько собственных проектов. Мы больше семья, чем компания. Мы - Platinum. Мы ищем исключительно фулстек разработчиков, которые понимают, что внешняя красота продукта чуть ли не более важна, чем красивая архитектура. Которые хотят разрабатывать не ради разработки, а хотят разрабатывать для того, чтобы зарабатывать деньги. Которые готов...

    $31 / hr (Avg Bid)
    $31 / hr Ср. ставка
    31 ставки

    It is required to write a module for HASHCAT England google translate: In the program HASHCAT ([войдите, чтобы посмотреть URL]) OCL / GPU ver. it is required to add support for the algorithm for solving the ETHEREUM SHA256 and ETHEREUM Keccak-256 At the input list of open addresses, the output address: password. Examples of input and output files can be viewed in the attachment to the project: [в...

    $127 (Avg Bid)
    $127 Ср. ставка
    2 ставки

    Требуется создание токена соответствующего стандарту ERC-20 , строго по инструкции, макс. необходимое время - 30 мин.

    $222 (Avg Bid)
    $222 Ср. ставка
    1 ставки
    Write some software Завершено left

    Windows Другое или затрудняюсь ответить Создание smart contract на ethereum blockchain , создание ERC20 Token , solidity

    $478 (Avg Bid)
    $478 Ср. ставка
    8 ставки

    Необходимо написать Смарт контракт в Блокчейн системе Ethereum

    $1131 (Avg Bid)
    $1131 Ср. ставка
    11 ставки

    В проект, разрабатывающий алгоритм выхода компаний на ICO с помощью smart contracts на ethereum/blockchain требуется програмист с опытом работы со smart contracts и blockchain. Опыт создания форков валют bitcoin или ether после 2014 года. Опыт работы с blockchain, создание форков bitcoin или ether обязателен. Работа будет заключаться в создании и поддержке smart contracts для каждой компании участ...

    $23 / hr (Avg Bid)
    $23 / hr Ср. ставка
    10 ставки

    Предложение действительно до 31.10.2016 включительно Приглашаем Вас стать участником команды для участия в конкурсе разработчиков The Eurasia Mobile Challenge [войдите, чтобы посмотреть URL] для разработки мобильного приложения «Universal Cloud State Blockchain DAPP». Проект «Universal Cloud State Blockchain DAPP» прошел предварительный отбор участию в конкурсе The E...

    $15808 (Avg Bid)
    $15808 Ср. ставка
    7 ставки

    Hello, so lets start. The main idea of our project is cryptocurrency depository for all, where anyone can put cryptocurrency or conventional currency (dollars) on savings at interest for a specified period. The second function is the insurance of deposits from our customers, that is, need a mechanism that tracks the course in real time,and in the event of a sharp fall of the course, we will re...

    $2515 (Avg Bid)
    $2515 Ср. ставка
    10 ставки

    This project requires a good understanding of frontend and backend technologies. There are multiple pieces already developed and thus project is to create a professional web application integrating all those pieces. This project requires knowledge of many technologies - c, c++, java, nodejs, reactjs, python, postgresql , bitcoin, ethereum and blockchain. Please ping me for the more detail.

    $462 (Avg Bid)
    $462 Ср. ставка
    12 ставки

    I want to create a Dapp based in a videogame in the Ethereum Blockchain. The name of my Dapp is Cryptocraft World Revolution and I need peoples with solid experience in the following areas:  Developer Dapps in Ethereum and knowing in Ethereum Blockchain and technology  Developer website  Video creator and designer, images designer, etc…  Content editor  And a person who does experience...

    $507 (Avg Bid)
    $507 Ср. ставка
    13 ставки

    I want to develop Ethereum game involving Trading of commodity,specifically weed,using on ERC20 token that I created name TOKN. I want this within time frame of 5 days. Thanks

    $325 (Avg Bid)
    $325 Ср. ставка
    2 ставки

    Plataforma en donde funcione una casa de intercambio de criptomonedas, iniciando con Bitcoin, Ethereum y Dash y luego ir incorporando mas criptos. Desarrollo en python, manejo de API. Esta plataforma iniciara operando en Colombia, luego se ira expandiendo a toda América Latina

    $834 (Avg Bid)
    $834 Ср. ставка
    13 ставки

    building a open banking application using ethereum platform, for bank transactions and crypto curriencies

    $1053 (Avg Bid)
    $1053 Ср. ставка
    17 ставки

    I need JSON RPC Web Api for Send and Receive Ethereum .Net

    $241 (Avg Bid)
    $241 Ср. ставка
    4 ставки

    We are a new blockchain startup that needs a team of professional Web Developers with serious Blockchain development experience. We need people with true experience working with: Ruby on rails, Peatio, Microkube ([войдите, чтобы посмотреть URL]) , Blockchain, Smart Contracts (Ethereum platform, ERC20 standard), Bitcoin, EOS, Litecoin (and other famous crypto platforms), Cryptocurrency Exchanges a...

    $347 (Avg Bid)
    $347 Ср. ставка
    6 ставки
    React native developer with blockchain development knowledge 3 дней(-я) left
    ПОДТВЕРЖДЕН

    Hello, We are working on the platform where we are inserting offline transaction into the permission-based blockchain using zero-knowledge proof. We are looking for a developer who has good knowledge of react-native, Also, the person should have blockchain development knowledge. We are only looking for an individual. Requirements: - Should have knowledge & experience of permission blockchai...

    $34 / hr (Avg Bid)
    $34 / hr Ср. ставка
    43 ставки

    Want a very simple exchange via smart contract and extremely simple interface. The project is one token to be exchanged with ethereum. Price of token is always 0.01eth the price can’t be changed but people will list tokens to sell or buy on order book and you can take those orders. The price is the same but people can list % over or under the price only within 5% of the price of 0.01eth (ove...

    $621 (Avg Bid)
    $621 Ср. ставка
    7 ставки
    JSON RPC WEB API in .Net 2 дней(-я) left

    I need JSON RPC Web Api for Send and Receive Ethereum .Net

    $48 (Avg Bid)
    $48 Ср. ставка
    5 ставки

    Multi-language users must create an account and charge their wallet then can select game and use its own zheton to play ! So need User account Control and Database for it ! There are some payment methods : PerfectMoney - WebMOney - Digital Cyrrency (like BitCoin, Litecoin (LTC), Ethereum (ETH), Ripple (XRP), Monero (XMR), Bitcoin Cash (BCH) ... etc.) so need appropriate Wallet for it ! and a...

    $1201 (Avg Bid)
    $1201 Ср. ставка
    15 ставки

    I am looking for a professional Whitepaper for my project. 10Pages+ with good market research, included some economics with references and Charts. Road Map etc. I will give you around 30% of the info I already have with an overview of the product. Knowledge of Token sales important and how to include it in the Whitepaper. High-level Knowledge of following is needed: - Blockchain - Ethereum - S...

    $215 (Avg Bid)
    $215 Ср. ставка
    31 ставки
    1to1 demo video calls 6 часов(-а) left

    We are [войдите, чтобы посмотреть URL] incorporated in London, UK. We provide software for crypto funds and traders, so that they can manage their money and invite investors. We need a person that will handle 1to1 calls with our customers (40 min average) and show them the demo of our software. Average number of calls is 4-6 per day. Calls will be made in Russian and english, but if you don�...

    $20 / hr (Avg Bid)
    $20 / hr Ср. ставка
    8 ставки

    This project requires a good understanding of frontend and backend technologies. There are multiple pieces already developed and thus project is to create a professional web application integrating all those pieces. This project requires knowledge of many technologies - c, c++, java, nodejs, reactjs, python, postgresql , bitcoin, ethereum and blockchain. Please ping me for the more detail.

    $516 (Avg Bid)
    $516 Ср. ставка
    24 ставки
    cryptocurrency exchange Завершено left

    hi i want to create website like binance to exchange btc ethereum and some top cryptocurrency but not huge like binance just ETH BTC XRP LTC DOGE and one other currency that client can deposit with credit card and i have api of that important thing is safety and security

    $2932 (Avg Bid)
    $2932 Ср. ставка
    43 ставки

    Send ethereum from rinkeby testnet to ethereum mainnet

    $140 (Avg Bid)
    $140 Ср. ставка
    3 ставки

    send ethereum from rinkeby testnet wallet to mainnet wallet.

    $144 (Avg Bid)
    $144 Ср. ставка
    5 ставки

    Hello. I need to send ethereum from testnet to mainnet. And Use it ethereum in mainnet for sell it.

    $25 (Avg Bid)
    $25 Ср. ставка
    1 ставки
    rubykube/peatio demo site Завершено left

    I want to get rubykube/peatio installed on ubuntu 18.04 with the following things working -splash page -login page -working test net exchange --bitcoin --ethereum --litecoin -have user registration and verification working -2fa enable for user -email verification -create coin wallets.

    $160 (Avg Bid)
    $160 Ср. ставка
    6 ставки

    Looking for MEAN stack developer with Ethereum blockchain dev experience. Experience with Ethereum parity fork Experience in Solidity Beginners in this skill set won't be considered.

    $587 (Avg Bid)
    $587 Ср. ставка
    37 ставки
    Blockchain project. Завершено left

    Hi - I have project that I currently generated some data into my databse automatically . My database is MongoDB and I upload the sample data every second there. I have heard about Blockchain as a secure platform. What I want to do is upload the data into either Ethereum or Hyperledger. I currently upload my data to MongoDB database, not I want to upload data to one of those two Blockchain pla...

    $69 (Avg Bid)
    $69 Ср. ставка
    6 ставки
    Crypto Exchange Завершено left

    I need a system in php preferably, that works like the website braziliex.com. An Exchange of crypto coins, for the initial project would have to operate with Bitcoin, Ethereum and Monero. Creating a way to add new currencies, a real-time deposit recognition and management system. You need to know the payment operation of the crypto coins to create this exchange, as well as php. You need to reg...

    $1617 (Avg Bid)
    $1617 Ср. ставка
    38 ставки

    We are a new blockchain startup that needs a team of professional Web Developers with serious Blockchain development experience. We need people with true experience working with: ✓ Blockchain; ✓ Smart Contracts (Ethereum platform, ERC20 standard); ✓ Bitcoin, EOS, Litecoin (and other famous crypto platforms); ✓ Cryptocurrency Exchanges and Wallets. Preference will be given to a person with experi...

    $42 / hr (Avg Bid)
    $42 / hr Ср. ставка
    37 ставки
    Project for Rahul S. 9 часов(-а) left

    Hi Rahul, I have a project that I store my data in MongoDB database, are you able to change my database from MongoDB to either Ethereum or Hyperledger?

    $8 / hr (Avg Bid)
    $8 / hr Ср. ставка
    1 ставки
    DEX Exchange and Marketplace Завершено left

    We are looking for a skilled Developer and or development team to relaunch our exchange and marketplace as a DEX Exchange. We will be replacing the Omni wallets with a decentralized wallet system our system. Backend: .NET Core 2.1 Frontend: React DB: PostgreSQL Devops: docker containers Example site: [войдите, чтобы посмотреть URL] Example site: [войдите, чтобы посмотреть URL] Converting Digita...

    $5190 (Avg Bid)
    Соглашение о неразглашении
    $5190 Ср. ставка
    22 ставки
    Blockchain Software Development Завершено left

    - Deploy Security Token using security token standards (e.g. ERC1404, ST-20 etc.) based on ethereum or a similar platform - KYC forms, accumulating data base (Country, Age, Gender) and sales restrictions such as country and age - Registration of KYC forms to our token holders network/club - Restrictions of Token Holders, Such as newsletters, voting rights on projects and board - Develop of interac...

    $1682 (Avg Bid)
    $1682 Ср. ставка
    24 ставки
    MacBlock project Завершено left

    MacBlock is a blockchain project that’s being developed beside Bitcoin and Ethereum. the project describes it's self as the new era of blockchain as it solved one of the most complicated blockchain problems which is scalability (transaction per second) , so you can consider MacBlock as the fastest blockchain project existing that can run up to 10 Million transaction per second. I'm...

    $26 (Avg Bid)
    $26 Ср. ставка
    3 ставки

    We are building a bitcoin casino based in React and Node.js and are looking for a talented developer to help us with the remaining features. If you have experience with bitcoin, ethereum, blockchain or other cryptocurrency related work, that's a plus! Timezone is Europe and Asia

    $20 / hr (Avg Bid)
    $20 / hr Ср. ставка
    52 ставки
    Cryptocurrency Trading Bot Завершено left

    Cryptocurrency Exchange Trading Bot For Creating Fake Volume. Written In Whatever Language U Can Only To Work. Also To Be Simple With Start Stop Something For All Pairs In The Exchange Aswell Not Only One Pair For Example Bitcoin- Ethereum Market

    $547 (Avg Bid)
    $547 Ср. ставка
    19 ставки

    Hello I'm looking to start a small probably fair site that accepts bitcoin ethereum and possibly cardano?

    $911 (Avg Bid)
    $911 Ср. ставка
    30 ставки

    We want to create our own crypto coin ERC20 base by Ethereum blockchain, I will hire good in English writer, I will share all details when choosing selected freelancer, this is really urgent should finish tomorrow.

    $75 (Avg Bid)
    $75 Ср. ставка
    11 ставки

    We want to create our own crypto coin ERC20 base by Ethereum blockchain, I will hire good in English writer, I will share all details when choosing selected freelancer, this is really urgent should finish tomorrow.

    $192 (Avg Bid)
    $192 Ср. ставка
    26 ставки

    This project requires a good understanding of frontend and backend technologies. There are multiple pieces already developed and thus project is to create a professional web application integrating all those pieces. This project requires knowledge of many technologies - c, c++, java, nodejs, reactjs, python, postgresql , bitcoin, ethereum and blockchain. Please ping me for the more detail.

    $522 (Avg Bid)
    $522 Ср. ставка
    14 ставки

    1) It is about discovering any five vulnerabilities in Ethereum Smart Contract using three of the market security tools like Securify, Mythril, Oyente, Octopus, Smart Check, etc.. and rectifying the vulnerabilities with the new code to fix them. 2) We need the screenshots of this identification of vulnerabilities performed using the above security tools and do demonstration in a test case for fiv...

    $177 (Avg Bid)
    $177 Ср. ставка
    6 ставки

    send ethereum from rinkeby network testnet to public mainnet transfer service , made software

    $147 (Avg Bid)
    $147 Ср. ставка
    10 ставки

    We need an experienced to build a project like Etherscan for a blockchain which has the same architecture like Ethereum

    $5639 (Avg Bid)
    $5639 Ср. ставка
    56 ставки
    Petaio Exchange Full Setup on VPS Завершено left

    Peatio Core - Peatio Trading UI - Environment - Barong - Crypto Daemons - Cryptocurrency (Bitcoin, Ethereum, etc) deployment to the Server Expert knowledge of Ruby on Rails is required to carry out this task and it is important you have had prior knowledge of RubyKube Peatio Exchange development and deployment. Need to be able to add CryptoNote and give an easy tutorial to add CryptoNote coi...

    $672 (Avg Bid)
    $672 Ср. ставка
    15 ставки

    Post Eligibility: Bangalore Individual Developer only We are looking for a Blockchain Developer to help develop and support our scaling platform for Ethereum. Experience with Blockchain and security protocols is a must. Skills and Qualifications: Minimum 2 years of experience in Blockchain technology. Design and Implement Blockchain technology (Services, libraries, Algorithms) using Solidity, ...

    $48 / hr (Avg Bid)
    $48 / hr Ср. ставка
    6 ставки

    Топ-статьи сообщества ethereum