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.

จ้าง Blockchain Developers


    31 งานที่พบ, การเสนอราคา USD
    ERC20 Smartcontract Audit Report 6 วัน left

    Analyze and check ERC20 Smart Contracts and will provide a report with all the issues outlined, the code is secure, hackerproof, code corresponds to the documentation (including whitepaper) the code meets best practices. I need the report on ​proper company letterhead from legit companies.

    $140 (Avg Bid)
    $140 การประมูลเฉลี่ย
    1 การประมูล
    Adding traffic/visitors to my new blog 6 วัน left

    Am a new blogger but dnt seem to get traffic/ visitors to my blog... This is my blog below [เข้าสู่ระบบเพื่อดู URL] Come up with a proposal on how I can get 1000 new visitors You must be experienced in this and bring results if I hire you I need results so if you can't get me results dnt bother bidding

    $83 (Avg Bid)
    $83 การประมูลเฉลี่ย
    13 การประมูล
    Fork Ripple Coin 6 วัน left

    Fork Ripple coin (XRP) and make a new coin based on our information. code link - [เข้าสู่ระบบเพื่อดู URL] Make it brand new coin with wallet and explorer

    $1000 (Avg Bid)
    $1000 การประมูลเฉลี่ย
    6 การประมูล
    Cryptocurrency Exchange with Liqudity 6 วัน left

    I'm looking who has done cryptocurrency exchange with liquidity integration. I'm looking for someone who has done because we want to use those source codes that way we can get our product done at less price. To be honest, we have a low budget but, High expectations! it's our needs => [เข้าสู่ระบบเพื่อดู URL]

    $678 (Avg Bid)
    $678 การประมูลเฉลี่ย
    7 การประมูล
    Fork TRON Cryptocurrency and Make new coin 6 วัน left

    We are looking blockchain developer who can fork TRON ( TRX) and make a new coin based on our information. Wallet - a web wallet, windows, Apple (iOS) Explorer - setup explorer mining-pool setup I mean you have to complete all systems whatever it needs to be complete.

    $2258 (Avg Bid)
    $2258 การประมูลเฉลี่ย
    6 การประมูล
    Fork cryptocurrency 6 วัน left

    Fork tron cryptocurrency setup all system like wallet , explorer , server

    $561 (Avg Bid)
    $561 การประมูลเฉลี่ย
    9 การประมูล

    Create proof of stake coin which is based off of DASH must have previous experience and list of github links for work

    $936 (Avg Bid)
    $936 การประมูลเฉลี่ย
    14 การประมูล

    I am looking for someone to use pre existing github repositories to build me a crypto currency exchange. The main aspec of this development will be the implementation of crypto to fiat I would like to have an exchange that is derived from this github source and built on ruby on rails [เข้าสู่ระบบเพื่อดู URL]

    $1546 (Avg Bid)
    $1546 การประมูลเฉลี่ย
    24 การประมูล

    I want you to create my own bot for trading crypto on Bitmex (API) using a simple RSI strategy. The bot must be able to do the following: 1) Margin trading, having the capability of taking long and short positions based on the RSI values. 2) Need to calculate RSI based on the websocket data and should match the RSI on Bitmex. The calculations should be done for a (1,3,5,15,30) minute interval. ...

    $173 (Avg Bid)
    $173 การประมูลเฉลี่ย
    7 การประมูล
    Best Block Chain Development Company x 2 4 วัน left

    Hi, I am looking for a blockchain company that is reputable and has a good portfolio. You must ensure that you have successfully built up a great number of blockchain projects if not don't bother to talk to me. I am trying to save your time. 1. I am trying to build an application that is multi-vendor using blockchain - private network running on hyper ledger fabric. - Native Mobile Applicat...

    $12780 (Avg Bid)
    $12780 การประมูลเฉลี่ย
    44 การประมูล
    Looking for the best blockchain company 4 วัน left

    Hi, I am looking for a blockchain company that is reputable and has a good portfolio. You must ensure that you have successfully built up a great number of blockchain projects if not don't bother to talk to me. I am trying to save your time. 1. I am trying to build an application that is multi-vendor using blockchain - private network running on hyper ledger fabric. - Native Mobile Applicat...

    $24771 (Avg Bid)
    $24771 การประมูลเฉลี่ย
    46 การประมูล

    I will be getting the data from the temperature sensor, i want to add AES encryption on it and the block chain encryption above it and should transfer it to receiver. In receiver side i need to decrypt everything and should extract the temperature data. I want you to provide three block chain algorithms with implementation.

    $70 (Avg Bid)
    $70 การประมูลเฉลี่ย
    4 การประมูล
    Smart Contract for NFT 3 วัน left

    Looking for a developer to write a smart contract in etheruem. This will be a NFT smart contract allowing for users to trade Eth for NFTs and vice versa. There will be some game dynamics incorporated as well.

    $529 (Avg Bid)
    $529 การประมูลเฉลี่ย
    16 การประมูล

    Suppose a person has an FIR lodged against him. So, he would face some demerits like unable to travel countries and apply for a visa, unable to stand in elections or unable to apply for some jobs. So, people who are highly influential, try to modify or delete the physical records of the FIRs by bribing the low tier people. This issue can be solved using emerging technologies like Blockchain. A sec...

    $108 (Avg Bid)
    $108 การประมูลเฉลี่ย
    5 การประมูล
    Bulding a decentralized asset management system 3 วัน left

    Hello there! I am in need of someone who has experience working with blockchains. I want to build and implent a decentralized funds system like the one you can see here : [เข้าสู่ระบบเพื่อดู URL] The fund management system has to be decentralized. you have to be able to implent it on my website. Let´s discuss the details further in chat thanks

    $175 (Avg Bid)
    $175 การประมูลเฉลี่ย
    25 การประมูล
    $465 การประมูลเฉลี่ย
    13 การประมูล
    Blockchain Project on demand vertical 2 วัน left

    Ethereum Blockchain On demand application Smart contrat Token sale website Masternodes

    $2854 (Avg Bid)
    $2854 การประมูลเฉลี่ย
    69 การประมูล
    Create ANN & Bounty Thread on 2 วัน left

    Hi, I need an expert with a high level bitcointalk account to post an ANN & Bounty thread on Must have a proven record of successfull ANN / Bounty campaigns.

    $140 (Avg Bid)
    $140 การประมูลเฉลี่ย
    5 การประมูล
    Website Blog Posts-AdTech 2 วัน left

    Looking for bloggers to write 5 posts on the below topics: Header Bidding E-commerce Programmatic Real-time personalization at scale Blockchain Technology in Enterprise Native English Writers Audience: C-Level Industry: Marketing Length: 600-1000 words SEO friendly

    $34 / hr (Avg Bid)
    $34 / hr การประมูลเฉลี่ย
    42 การประมูล
    Peatio crypto exchange 2 วัน left

    I'm looking for someone who can install peatio open source and add a referral system. Peatio Open-Source - Setup Referral System - Setup Liquidity Integration - Setup List top 10 coins from Binance - List I'll check your review before asking more info so recommending to the expert who already worked on it. Thanks Jason :)

    $911 (Avg Bid)
    $911 การประมูลเฉลี่ย
    20 การประมูล
    Maintenance Tracker 2 วัน left

    I need some sort of blockchain app Proof of Concept for tracking a vehicle’s maintenance history. Needs to contain 1 input for id number 3 different Partner users that can update information for that 1 id number 1 user that can look up id number and see public information

    $1247 (Avg Bid)
    $1247 การประมูลเฉลี่ย
    37 การประมูล
    Build me a Game on TRON blockchain 1 วัน left

    i would like a game that works similarly to Coin Master, but integrated onto the TRON blockchain. The game need to work with trc-20 tokens as the coins with a smart contract that feeds part of the profits back to the holders of the tokens. with a shop to buy extra items using TRX

    $2000 (Avg Bid)
    $2000 การประมูลเฉลี่ย
    26 การประมูล
    Hyper ledger programmer 1 วัน left

    Hyper ledger programmer

    $6 - $11 / hr
    $6 - $11 / hr
    0 การประมูล
    build me a crypto trading bot 1 วัน left

    i will like to build a crypto trading bot

    $234 (Avg Bid)
    $234 การประมูลเฉลี่ย
    6 การประมูล
    Block chain 1 วัน left

    I need a complete lab work to be done I have a pdf document which has step by step process

    $32 (Avg Bid)
    $32 การประมูลเฉลี่ย
    5 การประมูล
    Integrate Blockchain into HTML5 Game 1 วัน left

    We have an HTML5, 2D pixel based game that we want to integrate with a Blockchain - TomoChain, an EVM compatible Blockchain. - We want to add a simple smart contract that would allow for users to deposit a token to play the game. - We will need a basic UI component added to the title in order to instruct the user to deposit tokens to play the game. - We also will need for the game to be adjus...

    $605 (Avg Bid)
    $605 การประมูลเฉลี่ย
    32 การประมูล
    Android Wallet for my Altcoin (scrypt POW/POS) 21 ชั่วโมง left

    We are looking for a developer to create an Android mobile wallet for our Altcoin. It must be based on electrum server (we will provide vps) and the android app

    $1043 (Avg Bid)
    $1043 การประมูลเฉลี่ย
    33 การประมูล
    Create a UI for crypto DEX exchange 19 ชั่วโมง left

    Create a UI for crypto DEX exchange

    $362 (Avg Bid)
    $362 การประมูลเฉลี่ย
    20 การประมูล
    Read blockchain blocks and store in database 13 ชั่วโมง left

    Need a blockchain developer who can read block by block with transactions and store some details in the database. Need someone who can read bitcoin, ethereum and ripple blockchains

    $21 / hr (Avg Bid)
    $21 / hr การประมูลเฉลี่ย
    43 การประมูล
    Install Peatio Exchange 7 ชั่วโมง left

    Install Peatio Exchange Should have Bitcoin , Ethereum & ERC-20 Tokens integrate bitgo I need someone for long term.

    $431 (Avg Bid)
    $431 การประมูลเฉลี่ย
    11 การประมูล
    blockchain experience using HyperLedger 1 ชั่วโมง left

    Our solution is targeting HyperLedger Fabric blockchains. We would like to build a business case demo that would involve HL Fabric, HL Fabric CA and an application of any kind. We are going to replace ECDSA blockchain signatures with our own crypto signatures using a PKCS#11 module we are providing. Everything should work as if the signatures were the standard ECDSA. We want to be able to demo a ...

    $1082 (Avg Bid)
    $1082 การประมูลเฉลี่ย
    15 การประมูล

    บทความชุมชน Blockchain ชั้นนำ