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. Contratar a Ethereum Developers

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    19 trabajados encontrados, precios en USD

    !! READ the REQUIREMENTS before you knock !! You are expected to have good knowledge on areas such as; blockchain attacks/crypto-threats/solidity/Hyperledger/Smart-contract/Hash-Algorithms/51% attacks/Sybil attack/. You will be provided with any online books/Journals/articles that you will ask for regardless of how expensive they are. Programming skills required and essential. Your task ...

    $3 - $6 / hr
    $3 - $6 / hr
    0 ofertas
    partners (ONLY) in Partnership 6 días left
    VERIFICADO

    I am looking for partners for a new Crypto project create wallets, create token, pre sale site (ICO) we can discus about your implication possibility

    $373 (Avg Bid)
    $373 Oferta Promedio
    2 ofertas

    Hi there, I need someone who is able to create a ethereum node and implement a smart contract which allows the deployment of certifications. Simply Entity-A releases a certificate to entity B with few details, name, expiration, this is push on the blockchain. Please contact me for more information. Fed

    $197 (Avg Bid)
    $197 Oferta Promedio
    14 ofertas
    Need to Fork Litecoin 6 días left
    VERIFICADO

    Hi All, I want to Fork a coin based on LTC. Experience in Blockchain and cryptocurrency will only place the bid. Details will be shared over personal message. Thanks

    $824 (Avg Bid)
    $824 Oferta Promedio
    17 ofertas

    I'm looking for a developer who can create an Erc-20 token with intellectual property written in the smart contract. So the tokens legally represent shares of the intellectual property. In our case, the intellectual property will be songs. Also written in the contract, we would like the addresses and wallet value to also be part of the token. Wallet addresses on other cryptos such as music...

    $441 (Avg Bid)
    $441 Oferta Promedio
    20 ofertas

    This is part one of a multi-part evolving project. This is webapp solution will allow users to extract the blockchain data of the users' wallets. Data will be saved to a SQL server. The webapp will also periodically capture incremental data of the wallets. The webapp will then allow the user to view their wallet ledgers and token asset summary. To keep this project small and on budget, we w...

    $182 (Avg Bid)
    $182 Oferta Promedio
    11 ofertas
    New crypto betting game 5 días left
    VERIFICADO

    I have a new cryptocurrency and have a new idea for a betting game to be used with my currency. I need it to be automated and fair and can be verified. Smart contract or similar to be used for random flip feature so code can be open source and verified

    $437 (Avg Bid)
    $437 Oferta Promedio
    18 ofertas
    Web wallet for new cryptocurrency 5 días left
    VERIFICADO

    Simple secure web wallet required for new dash fork

    $340 (Avg Bid)
    $340 Oferta Promedio
    14 ofertas
    !! Blockchain Job - 3-9 Months !! 4 días left
    VERIFICADO

    !! READ the REQUIREMENTS before you knock !! Key Factors: - You are expected to have good knowledge on areas such as; blockchain/crypto-threats/solidity/Hyperledger/Smart-contract/Hash-Algorithms/51% attacks. - You will probably need to spend 90-130 hours per month to do the required tasks. ( For instance; an experienced person, in the related area, may do the required job in 90 hours, whe...

    $290 (Avg Bid)
    $290 Oferta Promedio
    9 ofertas

    I need someone with GraphQL expertise, Swift knowledge, and some blockchain rendering background. The objective is to fix the issue of the user (of the IOS wallet client) not being able to view their ERC20 transaction from .pending to completed (its stuck at pending). The task involves creating this check through using GraphQL endpoints. Balances & transaction state must be updated realtime...

    $199 (Avg Bid)
    $199 Oferta Promedio
    3 ofertas

    Hello! Please be sure you read this prior to contacting or placing a bid so you know exactly what I am looking for. Thank you! The details for this project are as follows: I need a lightweight multi currency wallet. This wallet will NOT have to download the entire chain for all the currencies in this wallet. This wallet will run on Windows 7 and up. The user should be able to switch between t...

    $2282 (Avg Bid)
    $2282 Oferta Promedio
    19 ofertas

    1. Incorporate within an existing site btc and eth payment modules. 2. Encompasses smart contracts setup and also hashing data encryption. 3. Provide all possible and required documentation to managing all infrastructure setup and developed.

    $498 (Avg Bid)
    $498 Oferta Promedio
    26 ofertas
    Create security erc20 token 1 día left
    VERIFICADO

    I need an erc20 security token on blockchain.

    $125 (Avg Bid)
    $125 Oferta Promedio
    7 ofertas

    Integrate Unity framework with Ethereum smart-contract.

    $1258 (Avg Bid)
    $1258 Oferta Promedio
    17 ofertas

    We need to change in our existing source code (PIVX based) the masternode collateral system. Goal: - The masternode collateral depends on the high of masternodes (the scheme we have done). - Existing masternode will run continuously. The existing nodes in the network will be not affected (coll. is locked all time), only new nodes need the higher collateral (or less when the nodes are decreasi...

    $216 (Avg Bid)
    $216 Oferta Promedio
    14 ofertas

    Below are our requirements on the blockchain Games platform development: We will release a pure blockchain-based Games platform with lots of blockchain games. The kinds of games will similar to those games on below websites: [iniciar sesión para ver URL], [iniciar sesión para ver URL], https://fck.com. A turnkey solution of development should be provided for us, it should contain th...

    $8910 (Avg Bid)
    $8910 Oferta Promedio
    50 ofertas

    You should create a new APP which can create new Ethereum accounts. Users should be able to check balances, transfer tokens to other accounts, log out. Admin should be able to check the accounts, manage currencies, etc. Fully functional Ethereum wallet APP

    $7334 (Avg Bid)
    $7334 Oferta Promedio
    46 ofertas

    We are looking for developing a small application using [iniciar sesión para ver URL] the basic req_doc.

    $3433 (Avg Bid)
    $3433 Oferta Promedio
    32 ofertas

    We are new on the Blockchain and would like to do a very simple PoC project using Ethereum. DApp Scope - We will submit a ID and Key into Blockchain - Retrieve the Key by using the ID from Blockchain - List out all Submitted ID and Key in Blockchain Deliverables - DApp with source code for above functions - Setup the Blockchain

    $610 (Avg Bid)
    $610 Oferta Promedio
    18 ofertas

    Principales artículos de la comunidad Ethereum