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. Нанять Blockchain Developers

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    Greetings! we are seeking an experienced blockchain developer. Now we are on progress to make realistic 3d game and we need to integrate blockchain for its infrastructure. Do not hesitate to apply. Hope to hear from you soon.

    $7694 (Avg Bid)
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    16 ставки
    Blockchain Developer 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Blockchain developer to tokenize real estates , diamonds. Only bid if you have done this before. We will go indepth for discussion. Real good potential to work with us as we have secured funding.

    $155 (Avg Bid)
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    1 ставки

    I need highly talented developers for my blockchain project. further details will be disclosed after the NDA contract.

    $54059 (Avg Bid)
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    26 ставки

    Hello I am looking to get my Ethereum Smart Contract to get Audited from Some Blockchain Security Expert

    $3811 (Avg Bid)
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    10 ставки
    Blockchains testers 6 дней(-я) left

    Hello everybody, I'm working on the implementation of Blockchains. I am looking for people interested in this type of projects, which can provide testing, and other cooperations. Thanks

    $15 (Avg Bid)
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    1 ставки
    Staking pool Setup 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I have a staking pool source code. But I can't install and run it. It has golang backend and reactJS front end. Your task is only backend installation and run it properly. If you can do it, please bid. Don't forget to write a sentence "Blockchain developer" as the first sentence of the proposal!

    $471 (Avg Bid)
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    14 ставки
    Freelance Presenter for Webinar on Block Chain 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Strengthscape is looking for a freelance presenter for a Webinar in the above mentioned field, with a minimum experience of 8 years.

    $151 (Avg Bid)
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    1 ставки
    Solidity/Ethereum Developer Role 6 дней(-я) left
    ПОДТВЕРЖДЕН

    This project involves producing a small system to run contracts in a batch setting. Key skills are - 1. Solidity, programming, Remix testing 2. Ethereum, public network, etherscan, metamask, myetherwallet 3. Ubuntu 16.04 4. backend language - eg node.js The role requires that a program is signed offline and then broadcast. Therefore a batch program can control the processing.

    $23 / hr (Avg Bid)
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    21 ставки

    Main goals: to invent the simplest technical solutions for business problems; writing a technical task and setting tasks for developers (solidity, javascript, html, css); code review, control of developers and ensuring the implementation of development plans in a timely manner; participation in the writing of documentation; hiring developers (forming requirements for candidates and conducting int...

    $38 / hr (Avg Bid)
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    7 ставки
    I want to upgrade my Block Explorer 6 дней(-я) left
    ПОДТВЕРЖДЕН

    My cryptocurrency is uploaded to exchange platforms and I want to upgrade Price value in my block explorer. I am using iquidus block explorer for my coin and if you have experience plz join to me. Thank you.

    $118 (Avg Bid)
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    15 ставки
    Bustabit/Ethercrash Replica 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I have a private bustabit source similar to [войдите, чтобы посмотреть URL] Looking for a developer to turn it into a website that runs on dogecoin and not bitcoin. Would be great if we can talk over discord/skype

    $852 (Avg Bid)
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    18 ставки
    Simple custom Bustabit Betting Script 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I need a custom Bustabit betting script created with a very simple strategy.

    $113 (Avg Bid)
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    11 ставки
    Document Blockchain smart contract 6 дней(-я) left
    ПОДТВЕРЖДЕН

    The project has to be a simple blockchain file share smart contract. Files will be downloaded only by determined users and all the users will be able to know, who has access the files and when and if the file has been changed. Also, the files have to be encrypted. Ethereum blockchain or other opensource software can be used for the project. As much code used from opensource solutions it will be be...

    $809 (Avg Bid)
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    26 ставки
    Blockchain.com developer 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Add bitcoin payment gateway to my ecommerce website. A blockchain developer.

    $471 (Avg Bid)
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    7 ставки

    I need a cryptocurrency wallet app which will support exchange of my token for BTC and ETH

    $8587 (Avg Bid)
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    52 ставки
    Cryptocurrency Exchange Offer 5 дней(-я) left
    ПОДТВЕРЖДЕН

    I'm looking a team to work on the cryptocurrency decentralize exchange which is already developed. Its almost listed on coinmarketcap! We need to collect some fund for exchange then we can run smoothly! If you have an interest in running own business private me.

    $2874 (Avg Bid)
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    22 ставки
    Blockchain High Frequency Algorithm Trading Bot 5 дней(-я) left
    ПОДТВЕРЖДЕН

    Seeking a professional Mathematik Blockchain programmer that can create a HFT Algorithm Bot to trade in CryptoCurrency markets on all exchanges. The BOT I wish to have established is to minipulate CryptoCurrency Held in different exchanges. Ex: putting buy or sell orders in within milliseconds and re taking them for a profit before avaerage traders get the chance. This procedure can be performed o...

    $40 / hr (Avg Bid)
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    20 ставки
    Find Debit Card Solution for cryptocurrency 5 дней(-я) left
    ПОДТВЕРЖДЕН

    I need help finding a debit card that I can provide for my new cryptocurrency. All you have to do is find it and verify it and provide me the details.

    $200 (Avg Bid)
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    8 ставки
    RubyKube Expert 5 дней(-я) left

    I have a private blockchain, forked from Ethereum, with our own tokens, smart contracts, wallets etc. Now I would like to launch our own exchange, including our own tokens, as well as traditional cryptoassets (btc, eth, ltc, etc) with different currency pairs. I'm looking for an expert in RubyKube to help us build and deploy a crypto exchange based on RubyKube / Peatio on AWS.

    $22 / hr (Avg Bid)
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    17 ставки

    Need a blockchain and ICO content writer that is qualified in some famous forums and social networking site As I have mentioned, proof of work before is a must, people with experienced profile and other social links needed Inbox me when you BID, I will remove those who bid but never inbox.

    $328 (Avg Bid)
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    6 ставки
    Integrate my Crypto Coin to an Exchange 4 дней(-я) left
    ПОДТВЕРЖДЕН

    Looking for someone who can use the API i have created and list my coin to an exchange. I have already created the coin which is masternodes based and someone who has experience in similar field will be preferable.

    $234 (Avg Bid)
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    7 ставки
    1 page ICO website with simple admin panel 4 дней(-я) left
    ПОДТВЕРЖДЕН

    I need a one page ICO website designed similar to the following site: [войдите, чтобы посмотреть URL] I will provide logos and content. You will need to have graphic skills as I need it to be modern and stylish like the example. It must look great on all devices including mobile. It must not have mixed content so that ssl certificate is not an issue. It will need the counter to count down to ...

    $379 (Avg Bid)
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    35 ставки
    I need to build a blockchain wallet 4 дней(-я) left
    ПОДТВЕРЖДЕН

    I need to build a blockchain wallet something like Metamask or the Ethereum wallet

    $795 (Avg Bid)
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    30 ставки
    cryptoexchange 4 дней(-я) left

    Hello i want to built up my own crypto exchange

    $2111 (Avg Bid)
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    40 ставки

    I have a crowd-sale smart contract & ERC-20 token already setup and working. We need a investor and admin dashboard/panel, integrated into our Wordpress website.

    $799 (Avg Bid)
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    32 ставки
    making wallet using android 4 дней(-я) left

    Need someone who is knowledgeable and can support project long term. Must have knowledge of the use of Github available open source in wallet swap mechanism in new wallet.

    $7160 (Avg Bid)
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    80 ставки
    block chain solidity ethereum 4 дней(-я) left

    block chain solidity ethereum programming assistance expected

    $307 (Avg Bid)
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    8 ставки
    Hyperledger composer chaincode development 3 дней(-я) left
    ПОДТВЕРЖДЕН

    I have a number of project which is related in Hypereldger composer. The chaincode (smart contract) must be developed by business logic. If you are interesting, please bid now.

    $2588 (Avg Bid)
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    35 ставки
    I want to create own crypto currency with custom blockchain code 3 дней(-я) left
    ПОДТВЕРЖДЕН

    I need an expert to work on that

    $206 (Avg Bid)
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    9 ставки
    Blockchain developer to add coins on my exchange 3 дней(-я) left
    ПОДТВЕРЖДЕН

    I am looking for experienced blockchain developer who understand wallet API to add coins on my exchange. I am looking to add up to 20 top coins by coin market cap. Only apply if you understand wallet API and how to integrate wallet on exchange.

    $639 (Avg Bid)
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    28 ставки
    fork dash coin and (rename) 2 дней(-я) left
    ПОДТВЕРЖДЕН

    I am looking blockchain developer! I'm new in this sector but, I want to make my own coin (POS) need someone who can frok dash coin and complete the project. Comment below what we need to make same as a dash pos system! step by step that way I can increase fund! you can make price each section and submit I'll review carefully!!

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    Dear Freelancers. I have created my cryptocurrency based on Dash And I want to upgrade it as follows - Upgrade from PoW to PoW/PoS - Implement SegWit, Replay Protection, Unique Address Format, Zero Knowledge Proof, Lightning Network feature. Please bid if you are experienced altcoin developer. If you can do this job and understand my requirement 100% please start your proposal with Five dots. Plea...

    $393 (Avg Bid)
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    8 ставки
    Cryptocurrency Exchange 2 дней(-я) left

    Looking to hire skilled developers to create a new cryptocurrency exchange in node.js / angular. Needed individuals with a demonstrable portfolio previous node.js and angular projects - preferably in financial services. Expect to be asked to demonstrate your coding skills to the project manager. We expect applications from real full stack developers with a range of front-end and back-end technolog...

    $31 / hr (Avg Bid)
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    49 ставки
    Want to get ICO Audit done for ethereum based Smart Contract 2 дней(-я) left
    ПОДТВЕРЖДЕН

    We have developed a Smart Contract & want to get it Audited & also need some security advice regarding the whole ICO process

    $135 (Avg Bid)
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    3 ставки
    Coin Exchange Website 2 дней(-я) left
    ПОДТВЕРЖДЕН

    We would like to build a website that based on cryptocurrency buying/selling. It will be very similiar website design on a great platform. If you are famililar blockchain tech and design please apply our project.

    $1896 (Avg Bid)
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    Je recherche dans le cadre de mon entreprise un avocat capable de me fournir des solutions juridiques pour créer des ICO tout en optimisant la structure. Je suis diplomé en droit mais je recherche quelqu'un avec de l’expérience minimum 5 ans. Nous pouvons discuter des détails plus tard. Pas de réponse automatique

    $52 / hr (Avg Bid)
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    5 ставки
    AI + Big Data and Blockchain projects 2 дней(-я) left
    ПОДТВЕРЖДЕН

    I am expecting projects on Artificial Intelligence ( Machine learning ) , Big Data and Blockchain technologies. Please let me know whether you are expert in this area and able to complete the projects with in the time frame. Also need to sign a disclosure agreement due to company confidential. Please send your projects and achievement one or more than one areas.

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    build me a website like cryptokitties 2 дней(-я) left
    ПОДТВЕРЖДЕН

    I need a website like crypto kitties, including the pet's design you can check this website first: [войдите, чтобы посмотреть URL] I was uploaded a development doc, is some about the website

    $2433 (Avg Bid)
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    68 ставки
    Create Ethereum Smart Contract for Unity 2 дней(-я) left
    ПОДТВЕРЖДЕН

    Create a Unity web application with Deposit and Withdraw function integrated with Metamask using Ethereum(Like how Metamask is integrated with [войдите, чтобы посмотреть URL]) that should look like this: 1. Go to website 2. Unity Web loads on the website 3. Interface showing available ETH balance, deposit button and withdraw button 4. Clicking Deposit will automatically bring up Metamask of wh...

    $839 (Avg Bid)
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    17 ставки
    I want to upgrade my cryptocurrency Algorithm and features 2 дней(-я) left
    ПОДТВЕРЖДЕН

    Dear Freelancers. I have created my cryptocurrency based on Dash And I want to upgrade it as follows - Upgrade from PoW to PoW/PoS - Implement SegWit, Replay Protection, Unique Address Format, Zero Knowledge Proof, Lightning Network feature. Please bid if you are experienced altcoin developer. If you can do this job and understand my requirement 100% please start your proposal with Five dots. Plea...

    $769 (Avg Bid)
    $769 Ср. ставка
    18 ставки

    We are a crypto project 2 years into our MVP and we are about to release our beta product. We are looking for a individual (No Teams) to join us as a core member of our company. Our company was voted most innovative by google, facebook, airbnb, yahoo etc for our last project and our current project is even better. We want someone who has crypto running though their veins, someone who can be a p...

    $53 / hr (Avg Bid)
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    17 ставки

    We would like our existing app to be able to send invitation to FB/Google/Phone contacts along with referral code. We keep track of the shared referral codes to reward the existing users who shred the codes.

    $201 (Avg Bid)
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    Visionary Finance 2 1 день left
    ПОДТВЕРЖДЕН

    We recently posted this project but are reposting it due to changing overall budget. We need to create a cryptocurrency social media website/mobile friendly. The website will be a social media site similar to something like LINKEDIN where crypto businesses/services can add a directory listing. There will be "featured listings" and normal listings that are subscription based. In these lis...

    $2901 (Avg Bid)
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    54 ставки

    Please look at the attached document and contact us to discuss the work! I want a crypto exchange on please let me know if anyone have ready script to use, to look at it…Demo please!! 5 market parings Coins and Tokens 25-30 on my exchange Connecting the API from foreign Exchanges such as: Binance / [войдите, чтобы посмотреть URL] GDAX/ [войдите, чтобы посмотреть URL] /Poloniex/ Bittrex,...

    $1000 - $2000
    Скрытый
    $1000 - $2000
    54 ставки
    TOKEN METRICS REPORT - USD1,000 22 часов(-а) left

    Advise on duel token strategy for an ICO project. Budget is USD1,000 for duel token strategy 4-paged report.

    $1061 (Avg Bid)
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    17 ставки
    build MVP on blockchain for asset backed token 15 часов(-а) left
    ПОДТВЕРЖДЕН

    Looking for a sharp blockchain developer to build a simple MVP for our project. we are early stage and dont have a lot of funding so we are looking at building the MVP to use to raise the funding for the rest of the project. Website, whitepaper and one pager is complete. we are at the final stages to raise seed funding for the project. Once seed funding is secure full scale development will begin....

    $826 (Avg Bid)
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    28 ставки
    Blockchain Customization 15 часов(-а) left
    ПОДТВЕРЖДЕН

    I need someone to customize my blockchain to achieve the idea I have. Should be blockchain expert. Write "I am a blockchain developer" on top of your proposal to avoid getting removed from the bid. Thanks and enjoy your bid.

    $590 (Avg Bid)
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    18 ставки
    blockchain Developer 15 часов(-а) left

    I need blockchain developer for my project.

    $1352 (Avg Bid)
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    26 ставки

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