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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.

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    40 trabajados encontrados, precios en EUR
    block chain Online Bank 6 días left
    VERIFICADO

    Online bank System Based on block chain and openbankIT experience is a must not optional I need to see a demo on a similar project or else please don't bother similar to [iniciar sesión para ver URL]

    €6279 (Avg Bid)
    €6279 Oferta Promedio
    23 ofertas

    I would like to build betting website which user can bet with bitcoins. I will be share details via chat. Thank you.

    €1242 (Avg Bid)
    €1242 Oferta Promedio
    22 ofertas
    Blockchain 6 días left
    VERIFICADO

    need someone know how to use blockchain hyper ledger

    €173 (Avg Bid)
    €173 Oferta Promedio
    7 ofertas

    We need team developer Tron TRX Blockchain like Tronbank Site: [iniciar sesión para ver URL] Reqairement: - Decentralized & Secure Smart Contract Fund - Node, smartcontract [Can clone] - Design Website - Function - Wallet - Airdrop Snapshot TronBank – A financial game that runs entirely on Tron smart contract, with daily ROI 3.6%~6.6%. It’s an open transparent contract that...

    €6620 (Avg Bid)
    €6620 Oferta Promedio
    26 ofertas

    Develop an app idea of a service with great potential for a world wide project. It’s is a unique idea. It can be applied around the globe. It’s a service that everyone will want as the world get smaller. We will launch the app 5 to 6 months after we come up with the agreements and with the initial partners team members that will make the business come to live. The idea of the app ...

    €8 (Avg Bid)
    €8 Oferta Promedio
    4 ofertas

    We need an intelligent contract for 1.- Voting system 2.- Obtaining professional certification, it is essential to have an approximate cost, approximate time of development and requirements on your part to start the project, with option of price for development or for hours .

    €1556 (Avg Bid)
    €1556 Oferta Promedio
    20 ofertas

    I am looking for a Tron developer capable of creating a complete online gambling website similar to Tronbet, with all the same games and functions, including the token and the dividends system. The developer should be familiar with Tronbet and how it works. The right person should know exactly what I am looking for just by reading this project description.

    €2640 (Avg Bid)
    €2640 Oferta Promedio
    37 ofertas

    I will commission the installation and configuration of Electrum X for the operation with the PrimeStone cryptocurrency. ElectrumX: [iniciar sesión para ver URL] PrimeStone: [iniciar sesión para ver URL]

    €180 (Avg Bid)
    €180 Oferta Promedio
    5 ofertas

    We want to design a system to avoid the tampering with food and usually main culprit responsible for penalty in food supply process is detected by using blockchain with hyperledger platform. System must avoid the penalty paid by the farmer for any tampering in food supply chain(current GR)

    €26 (Avg Bid)
    €26 Oferta Promedio
    2 ofertas
    Crypto and Bitcoin Expert 6 días left
    VERIFICADO

    Hi, We are looking for a crypto and bitcoin expert who has the following domain knowledge : 1. Convert paypal to btc 2. Popular forums of btc 3. Free bitcoin faucets 4. Bitcoin advertising networks 5. Sending and receiving payment via bitcoin 6. Bitcoin wallets 7. Everything else to know about bitcoin Please bid if you have dealt with bitcoin before. Best,

    €228 (Avg Bid)
    €228 Oferta Promedio
    11 ofertas

    Hello, We are looking for person who can build as Strategy for Auto-bot trading in crypto currency. You need to have experience with Forex or crypto trading.

    €180 (Avg Bid)
    €180 Oferta Promedio
    2 ofertas
    Finish a cryptocurrency exchange 4 días left
    VERIFICADO

    We started a cryptocurrency exchange on freelancer. But due to the freelancer taking more than 6 months to develop instead of 45 days we had to stop with him. We need a developper or a team that will be able to finish the job that has beeen started. The exchange need redesign and implementation of ethereum node. The coin traded will only be ER20 tokens.

    €2402 (Avg Bid)
    €2402 Oferta Promedio
    27 ofertas

    Create alt coin bounty program account from scratch. Please see attached document for details. Progress will be monitored daily including accrual of daily alt coins earned totals. I take possession of all accounts at the end of the project. If you would like to bid on this job please attach a list of what you will deliver and when. I will know then that you read and understand the job.

    €104 (Avg Bid)
    €104 Oferta Promedio
    20 ofertas

    Do you know the ETH and MDZA? Please bid on this if you know convert eht to mdza.

    €34 / hr (Avg Bid)
    €34 / hr Oferta Promedio
    7 ofertas
    faucet site fixes and small addon 4 días left
    VERIFICADO

    Overview: nodejs,javascript, gulp, bootstrap fronted, 1. Problem We have worked faucet script. The problem is , funds sends to user is ETH and not our TOKEN. Or smart contract send function is adminIsuueFunds. So, this is should be fixed to send our MDZA token. Tesnet smart contract:[iniciar sesión para ver URL] 2. addon We need to fix/add faucet frequency. Let's say “User can...

    €105 (Avg Bid)
    €105 Oferta Promedio
    6 ofertas
    Cryptocurrency Exchange Website 3 días left
    VERIFICADO

    Platform: PHP & MySQL Create a new website with below main functions: - Member Login - Member Profile (Upload ID Card and Address Proof) - Auto Create Crypto Wallet (BTC wallet address and ETH wallet address) - Check the wallet's balance - Member Post Cryptocurrency Selling Post

    €350 (Avg Bid)
    €350 Oferta Promedio
    35 ofertas

    i m looking for a block-chain developer. he need to know about wallet, exchange, nodes, Ubuntu, and React.js only expert person bid here.

    €19 / hr (Avg Bid)
    €19 / hr Oferta Promedio
    21 ofertas

    I'm looking for a blockchain developer who is good at coin fork. Developer should experienced at building daemons, coin fork, ERC20, ICO, smart contract and so on. Please kindly bid on my project and share your past works with me.

    €569 (Avg Bid)
    €569 Oferta Promedio
    31 ofertas

    Create a new coin multi algo coin like [iniciar sesión para ver URL]

    €2398 (Avg Bid)
    €2398 Oferta Promedio
    7 ofertas

    Hello, We are looking for person who can build as Strategy for Auto-bot trading in crypto currency. You need to have experience with Forex or crypto trading.

    €132 (Avg Bid)
    €132 Oferta Promedio
    6 ofertas
    Export on Gekko with Strategie 3 días left
    VERIFICADO

    Hello, I need someone with good experience on Gekko or any crypto currency Bot with existing strategie and can make profit. Please contact me only if you have some demo to show.

    €200 (Avg Bid)
    €200 Oferta Promedio
    4 ofertas
    Fork a Blockchain 3 días left
    VERIFICADO

    I need someone who can fork Stellar Blockchain and create a new cryptocurrency & token. further details will be provided. P.S: Only apply if you have forked any Blockchain and know how Stellar works to save each other's time. 1. Can we change consensus mechanism of Stellar? 2. If not, what can we change so that it does not look like copy of Stellar ? 3. Can we put lock/unlock feature ...

    €754 (Avg Bid)
    €754 Oferta Promedio
    12 ofertas
    English to Korean translation 2 días left
    VERIFICADO

    Blockchain thematics, the price is 5$ for 1800 symbols of English text

    €74 (Avg Bid)
    €74 Oferta Promedio
    19 ofertas
    Lunch ico on stellar 2 días left
    VERIFICADO

    Remittance on stellar network. Want to lunch ico on stellar

    €891 (Avg Bid)
    €891 Oferta Promedio
    8 ofertas
    Issuing of assest 2 días left
    VERIFICADO

    Want to issue tokens on the the stellar network

    €195 (Avg Bid)
    €195 Oferta Promedio
    9 ofertas

    I have a DASH/Polis (masternode coin) fork that is stuck on a particular block, I know what the issue is - what but I need some advice on possible resolutions. I am looking for someone with expertise on forking blockchains - and C++ development in an Ubuntu environment.

    €24 / hr (Avg Bid)
    €24 / hr Oferta Promedio
    19 ofertas

    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 inte...

    €31 / hr (Avg Bid)
    €31 / hr Oferta Promedio
    12 ofertas

    Contact me for more info. Lets discuss on my requirements. Its a startup.

    €3625 (Avg Bid)
    €3625 Oferta Promedio
    41 ofertas
    Looking for Vivado HLS expert 1 día left
    VERIFICADO

    Need to know the knowledge of Blockchain algorithm and FPGA programming(VHDL/Verilog), C++ programming. Will discuss more via interview.

    €897 (Avg Bid)
    €897 Oferta Promedio
    14 ofertas

    Hiring an Ocaml and Blockchain developer for long term contract. Must have: 3+ years experience of Ocaml/Haskell/F# or any other functional programming language. 3+ years experience of Blockchain development It would be great if you already have experience to develop a blockchain protocol with Ocaml language. [iniciar sesión para ver URL] I want to implement this protocol. so if you have ...

    €18 / hr (Avg Bid)
    €18 / hr Oferta Promedio
    9 ofertas

    I am looking for a blockchain expert for one of the project that I have. Details will be shared later after signing NDA.

    €6508 (Avg Bid)
    €6508 Oferta Promedio
    58 ofertas
    Need to make (POS/MN) Coin 21 horas left
    VERIFICADO

    I just need to build a pos/mn coin (75% mn / 25% Stack) Reward Blockchain. wallet : windows, linux, mac

    €437 (Avg Bid)
    €437 Oferta Promedio
    6 ofertas

    I wish to make a new version of a crypto wallet and have it called v1.0.3 as my own version. Everything else will be the same as wallet

    €16 (Avg Bid)
    €16 Oferta Promedio
    3 ofertas

    hashing to the final hash in hash chain through python code. all explained throughly in pdf files.

    €33 (Avg Bid)
    €33 Oferta Promedio
    5 ofertas

    Take the most profitable reliable crypto bitcoin alt coin forex trading strategies and program them into Mudrex Algo Trading platform (theres examples on the platform) - [iniciar sesión para ver URL] (see visual below) Then I want you to run some backtests on their platform to prove they are above average profitable trading strategies and work. Please type "WIN" in project proposa...

    €161 (Avg Bid)
    €161 Oferta Promedio
    5 ofertas

    Hello, This app is about Courier service. Design & Graphics I'll provide. I have attached a zip file regarding App info. Please check that & let me know your best quote & timeline. Thanks! Regards, rahatrafi

    €2017 (Avg Bid)
    €2017 Oferta Promedio
    25 ofertas
    Blockchain And traceability system 10 horas left
    VERIFICADO

    I want the model diagram that show user layer, traceability system layer and blockchain and how they are connected in Fashion Supplay chain.

    €15 (Avg Bid)
    €15 Oferta Promedio
    2 ofertas

    Hi I'm looking or a full-stack developer to create a crypto based search engine with elements similar to brave browser & presearch. I require a scalable solution for feeless user transactions so users aren't burdened with having to pay fees to transfer/withdraw our token.

    €14 / hr (Avg Bid)
    €14 / hr Oferta Promedio
    22 ofertas

    p2p lending Cryptocurrencies Mortgage loan Website creation It must be fast and clean. Backends require a lot of functionality sms Bank api Ether connection ERC-20 connection Automate bit coin deposit and withdrawal

    €2838 (Avg Bid)
    €2838 Oferta Promedio
    27 ofertas

    Hello, we're looking for a Ruby on Rails developer to work on the back-end of a cryptocurrency exchange. You'll join a team of 3 Ruby on Rails developers, follow the main developer instructions and work on the API part of the application. The front-end is done by another developers in React/Redux. You must know the best practices and be able to give advices on developments. Please det...

    €19 / hr (Avg Bid)
    €19 / hr Oferta Promedio
    31 ofertas