Blockchain Jobs

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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    26 najdenih del, po cenah EUR

    Develop 1.A security architecture for Internet of Things using Blockchain 2. Smart contract for IoT edge devices 3. Decentralized consensus for resource constrained IoT devices

    €246 (Avg Bid)
    €246 Povprečna ponudba
    5 ponudb

    Requirements for a team: 1) Senior Java Background. 2) Solid Security and Cyber Security Background. 3) Must know how to create full nodes for the coins and tokens listed and offer liquidity solutions. 4) This is only for experienced firms and long term work can be offered! Pay will be for this project and 4 months of full support and security must be included. This is an ongoing long term proje...

    €4484 (Avg Bid)
    €4484 Povprečna ponudba
    22 ponudb

    I'm looking for an expert developer! Build me a cryptocurrency decentralized exchange based on TRON You must have to show your previously developed project in the description. If you won't mention the similar project which you have done...I am not gonna reply...

    €646 (Avg Bid)
    €646 Povprečna ponudba
    13 ponudb

    Binance Chain wallet developer

    €3898 (Avg Bid)
    €3898 Povprečna ponudba
    37 ponudb

    Hi we need a CryptoCurrency & Blockchain Developer for our company work there two phases of this project first we will do simple phase 1 then move to phase 2

    €144 (Avg Bid)
    €144 Povprečna ponudba
    25 ponudb
    Get app source 4 dni left

    I'd like to get the app source from google app store. App:[prijavite se za ogled URL] If you know about it, please contact me

    €19 / hr (Avg Bid)
    €19 / hr Povprečna ponudba
    7 ponudb

    We need JavaScript functions for creating EOS address, send EOS, RECEIVE EOS, and query EOS balance

    €90 (Avg Bid)
    €90 Povprečna ponudba
    1 ponudb

    I need someone to install a fully functional waves paltform, a dex ( decentraliez exchange of [prijavite se za ogled URL] and their gitub is [prijavite se za ogled URL]) and if it’s necessarily to fork the waves blockchain No change no implementations, the design will be edited by one of our members, so just that there will be a new blockchain that will work over the dex, i don’t know...

    €260 (Avg Bid)
    €260 Povprečna ponudba
    11 ponudb
    Bitcoin Blockchain text download 4 dni left
    VERIFICIRAN/A

    Put all bitcoin Blockchain text in a single word document in order. I want to read all the text from the very first entry by Satoshi.

    €307 (Avg Bid)
    €307 Povprečna ponudba
    11 ponudb

    We want to implement confidential asset for a blockchain. Currently, the blockchain only supports confidential transaction, we need to add support for confidential asset, including issuing, reissuing and burning tokens. Candidates should be familiar with MimbleWimble protocol, ECC based crypto algorithm, surjection proof, bulletproof and solid c++ programming skills.

    €6518 (Avg Bid)
    €6518 Povprečna ponudba
    35 ponudb

    Small project ( 2 to 3 pages ) about the idea of using Blockchain in the Egyptian banking sector , pros and cons and barriers .

    €30 (Avg Bid)
    €30 Povprečna ponudba
    19 ponudb

    5 friends (Alice, Bob, Carol, Dave, and Emma) are participating in an egg-hunt game where they are looking for hidden plastic eggs. Each egg is worth a certain number of points, and the goal of the game is to accumulate one million points (or more). We would like a commitment scheme where each of the players can proof he/she has 1 million points from the eggs they found, while revealing zero knol...

    €168 (Avg Bid)
    €168 Povprečna ponudba
    5 ponudb
    mining BTC production 2019 : 2025 2 dni left
    VERIFICIRAN/A

    Hello, I want a simple mining calculator of BTC coin production built on known difficulty of BTC eruption rates from year 2019 to 2025 with variable hash rate input. Thank you

    €23 (Avg Bid)
    €23 Povprečna ponudba
    4 ponudb

    We are a Day trading school and we want to build our own trading platform ( Simulator ) where our student can train taking trades in the simulator ! -The platform we want to copy is ( Dastrader ) : please download the platform and see it before contacting us Link to download : [prijavite se za ogled URL] -We will get Us stock market Real time data from IEX Could, this is the link of the API p...

    €478 (Avg Bid)
    €478 Povprečna ponudba
    7 ponudb
    Update My ERC-20 Smart Contract 1 dan left
    VERIFICIRAN/A

    At the moment our contract only offers 1 token holder, which can send tokens to others. We need to modify our smart contract that it allows everyone to send tokens. This function is already included in our smart contract, just need to run it.

    €16 / hr (Avg Bid)
    €16 / hr Povprečna ponudba
    24 ponudb

    I am looking for help to create Java unit test for a project using Ethereum to send ETH. I use private chain in a closed environment but I have no idea how to get a transaction list of an address, while it’s easy to get it from Etherscan using testnet or mainnet.

    €448 (Avg Bid)
    €448 Povprečna ponudba
    23 ponudb

    We need help with automatically creating wallet, sending and receiving & querying balance of Bitcoin Cash using nodejs

    €731 (Avg Bid)
    €731 Povprečna ponudba
    8 ponudb

    Hello I need a ready online dapp coin game.. like ETH game. I can give you full info in PM

    €2310 (Avg Bid)
    €2310 Povprečna ponudba
    18 ponudb

    We are looking for ERC1404 Developers that can also work for us with Web wallet and Website

    €647 (Avg Bid)
    €647 Povprečna ponudba
    30 ponudb

    5 friends (Alice, Bob, Carol, Dave, and Emma) are participating in an egg-hunt game where they are looking for hidden plastic eggs. Each egg is worth a certain number of points, and the goal of the game is to accumulate one million points (or more). We would like a commitment scheme where each of the players can proof he/she has 1 million points from the eggs they found, while revealing zero knol...

    €96 (Avg Bid)
    €96 Povprečna ponudba
    6 ponudb

    This position can be full-time/part-time but is based of a freelance contract. What does a sales representative do? You will offer every customer our services or products in order to boost top-line revenue growth, customer acquisition levels and profitability. Responsibilities Present, promote and sell products/services using solid arguments to existing and prospective customers Establish a...

    €457 (Avg Bid)
    €457 Povprečna ponudba
    4 ponudb

    5 friends (Alice, Bob, Carol, Dave, and Emma) are participating in an egg-hunt game where they are looking for hidden plastic eggs. Each egg is worth a certain number of points, and the goal of the game is to accumulate one million points (or more). We would like a commitment scheme where each of the players can proof he/she has 1 million points from the eggs they found, while revealing zero knol...

    €61 (Avg Bid)
    €61 Povprečna ponudba
    1 ponudb

    Hello , we are looking for help to list our token to exchanges like yobit , and get investors for the project . by the part of freelancer selection you might set the answers for the attached questionnaire to your quote .

    €87 (Avg Bid)
    €87 Povprečna ponudba
    6 ponudb

    Require 3000 genuine leads for people who have a Blockchain need in Healthcare/Fin-tech/Supply-chain etc. The people can be CEO/CXO/COO or concerned persons who needs Blockchain Development service from us. It should be excel file having Name, Company name, Linkedin profile, Email ID, Phone No. If this work turned out to be good, I have lots of other work as well which can be discussed afterwords...

    €17 (Avg Bid)
    €17 Povprečna ponudba
    3 ponudb

    Se requiere desarrollar un sitio web para ofertar y contratar servicios. El backend debe desarrollarse sobre blockchain. Solo ofertar los que tengan experiencia comprobable en este tipo de desarrollos y capacidad de trabajo rápido y de alta calidad.

    €3614 (Avg Bid)
    €3614 Povprečna ponudba
    52 ponudb

    We are looking for blockchain developer who already created or have no problem creating a simple wallet with the following functions in the next 24 hours: Listing prices Sending coin Create addresses Receive incoming coins Query transaction logs We need at least 2 coins: btc and eth for the next 24 hours. If you are proficient in blockchain and interested, please quote.

    €18 / hr (Avg Bid)
    €18 / hr Povprečna ponudba
    23 ponudb

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