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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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    35 trabajados encontrados, precios en USD

    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.

    $35 / hr (Avg Bid)
    $35 / hr Oferta Promedio
    7 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...

    $35 / hr (Avg Bid)
    $35 / hr Oferta Promedio
    10 ofertas

    Read the software requirement document carefully and contact me through pm if you are qualified and ready. Dont contact if you havent gone through it.

    $4101 (Avg Bid)
    $4101 Oferta Promedio
    23 ofertas

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

    $4093 (Avg Bid)
    $4093 Oferta Promedio
    35 ofertas
    Looking for Vivado HLS expert 5 días left
    VERIFICADO

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

    $963 (Avg Bid)
    $963 Oferta Promedio
    10 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 ...

    $22 / hr (Avg Bid)
    $22 / hr Oferta Promedio
    6 ofertas

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

    $7174 (Avg Bid)
    $7174 Oferta Promedio
    51 ofertas
    Need to make (POS/MN) Coin 5 días left
    VERIFICADO

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

    $565 (Avg Bid)
    $565 Oferta Promedio
    5 ofertas
    algorithm - Crypto 5 días left
    VERIFICADO

    Looking for an algorithm developer with a minimum experience requirements: 1- experience in cryptography and blockchain 2- knowledge in IoT networks simulation Details will be given later.

    $680 (Avg Bid)
    $680 Oferta Promedio
    33 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

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

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

    $37 (Avg Bid)
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    4 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...

    $201 (Avg Bid)
    $201 Oferta Promedio
    4 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

    $2270 (Avg Bid)
    $2270 Oferta Promedio
    25 ofertas
    Blockchain And traceability system 4 días 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.

    $17 (Avg Bid)
    $17 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.

    $16 / hr (Avg Bid)
    $16 / hr Oferta Promedio
    18 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

    $3249 (Avg Bid)
    $3249 Oferta Promedio
    25 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...

    $21 / hr (Avg Bid)
    $21 / hr Oferta Promedio
    25 ofertas

    Have an old coin that I want to take back and make a few changes to to ensure its future. Also need to make a new wallet version and secure it. Partnership is available for right person

    $168 (Avg Bid)
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    15 ofertas
    Create a cardano node 3 días left
    VERIFICADO

    Hi. I am looking for some who can create a Cardano Cryptocurrency node.

    $325 (Avg Bid)
    $325 Oferta Promedio
    2 ofertas

    An Online crowdfunding platform for tokenizing real estate. [iniciar sesión para ver URL]

    $2656 (Avg Bid)
    $2656 Oferta Promedio
    21 ofertas

    I have a token built on Ethereum Classic and I would like a game made that will work for my erc223 token. I will only reply and consider those that reply to in comment or pm what game you can make for me. I'll need the full development, smart contract for game and full website backend/frontend development.

    $599 (Avg Bid)
    $599 Oferta Promedio
    13 ofertas

    We require a blockchain exlore for a coin forked off of the cryptonote chain, You will be using an existing design available in a repository on github. The repo is complete with GUI UI we will just need to edit for our use. Require skills : C, C++, C#

    $35 / hr (Avg Bid)
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    35 ofertas

    I need an cryptocurrency wallet Android app. I would like it designed and built. More details in inbox (Removed by Freelancer.com admin)br /> PAYMENT ONLY ON COMPLETION SEND OFFERS IF ONLY YOU AGREE

    $833 (Avg Bid)
    $833 Oferta Promedio
    2 ofertas
    Very simple free explorer install 2 días left
    VERIFICADO

    I want to install this free open source explorer: [iniciar sesión para ver URL] Instructions are provided and very simple. I need it on my domain with my logo added. I can assist to make the job as simple as possible

    $26 (Avg Bid)
    $26 Oferta Promedio
    8 ofertas

    Use Playground, fabric, hyper ledger rest API. The Blockchain solution should be well designed and include the following core like: • Blockchain solution use case overview • Identification of o Participant, Assets, and Transactions o Applications and Events o External system integration • Modeling business network definition including o Participant, Assets, and Transactions o Acce...

    $527 (Avg Bid)
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    15 ofertas

    We're looking for Koreans to be our representative for the following task 1. Search all Korean CryproExchange which offer IEO service 2. Negotiate the IEO terms and price 3. Follow up on the progress

    $541 (Avg Bid)
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    4 ofertas

    The desired candidate will be required to build and manage a strong community team of remote developers to implement the final stages of completing the cryptomnia platform. The following qualities should also be displayed: • You must enjoy solving problems • You have at least 3-5 years experience creating customer-facing products in start-ups • You are highly logical and te...

    $57 / hr (Avg Bid)
    $57 / hr Oferta Promedio
    34 ofertas
    Dash cryptocurrency fork 1 día left
    VERIFICADO

    We need a x16 currency. We can fork dash and change algo. We need physical wallet, android wallet, blockexplorer and Mac wallet. Coin must have pos and masternodes. We have already 4 VPN. We have already logo and coin specs.

    $1903 (Avg Bid)
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    21 ofertas

    I have attached a github project link. I need help for the following features deployed on the website: i) setup the project locally for testing the blockchain encryption. ii) view the data stored. iii) Make login and registration page iv) Want to verify "Proof of work" hash change when data is tampered. Please check the link here - [iniciar sesión para ver URL]

    $57 (Avg Bid)
    $57 Oferta Promedio
    4 ofertas
    Graphics help / coding 1 día left
    VERIFICADO

    I need an Android app. I already have it pretty much built just need updates pages to make everything look nice. It’s a blockchain application. A new team member would be nice 20% of all profits if we go that route. I also want to implement Gyft gift cards. They take bitcoin but an instant swap from kin cryptocurrency to bitcoin for gift cards would be perfect.

    $194 (Avg Bid)
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    12 ofertas

    I need the block chain web scraping expert needed for my multiple jobs . Details will be shared with winning bidder. Please bid if you have experience in block chain scraping expert.

    $126 (Avg Bid)
    $126 Oferta Promedio
    9 ofertas

    I need the block chain web scraping expert needed for my multiple jobs . Details will be shared with winning bidder. Please bid if you have experience in block chain scraping expert.

    $71 (Avg Bid)
    $71 Oferta Promedio
    3 ofertas
    Blockchain Transaction Analysis 23 horas left
    VERIFICADO

    I need to compile all my transactions on the EOS blockchain to a spreadsheet. Most of the thousands of transactions are not taxable events, but I need to a way to sort through them so I can easily identify the ones that are. There are several good EOS blockchain explorers but here are the accounts I need scraped: gq3tinbzg4ge (18,719+ transactions) carletonljoy (108+ transactions) oxymoroncj...

    $179 (Avg Bid)
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    14 ofertas

    Install bitcoin fork source code and test. I have windows, mac and linux binaries and need it all set up and also set up on my github (source and wallets). Need to make sure its all working perfectly with 3 nodes set up on my servers. Need it set up in 1 day

    $196 (Avg Bid)
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    12 ofertas
    Senior AI expert Finalizado left

    We are looking fore senior developer who have experience in currency forecasting project

    $22 / hr (Avg Bid)
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    20 ofertas