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.

Assumi Blockchain Developers

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    I need someone to install a fully functional waves paltform, a dex ( decentraliez exchange of [accedi per visualizzare l'URL] and their gitub is [accedi per visualizzare l'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, ...

    €178 (Avg Bid)
    €178 Offerta Media
    6 offerte
    Bitcoin Blockchain text download 6 giorni left
    VERIFICATO

    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.

    €419 (Avg Bid)
    €419 Offerta Media
    6 offerte

    Hi there, I am looking for an IoT solution on hyperledger fabric where I can store sensor data.(temperature, movement, fluctuations). The requirements are : 1- Store data collect from IOT device in a table 2- There is only one organization (everyone with an account can see everything) 3- for each event tag as critical trigger an event which send a notification (email) What is in scope: - build a...

    €1883 (Avg Bid)
    €1883 Offerta Media
    27 offerte

    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.

    €6615 (Avg Bid)
    €6615 Offerta Media
    32 offerte

    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 Offerta Media
    19 offerte

    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...

    €187 (Avg Bid)
    €187 Offerta Media
    4 offerte
    mining BTC production 2019 : 2025 4 giorni left
    VERIFICATO

    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 Offerta Media
    4 offerte

    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 : [accedi per visualizzare l'URL] -We will get Us stock market Real time data from IEX Could, this is the link of ...

    €478 (Avg Bid)
    €478 Offerta Media
    7 offerte
    Update My ERC-20 Smart Contract 4 giorni left
    VERIFICATO

    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 Offerta Media
    23 offerte

    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.

    €458 (Avg Bid)
    €458 Offerta Media
    22 offerte

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

    €731 (Avg Bid)
    €731 Offerta Media
    8 offerte

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

    €2308 (Avg Bid)
    €2308 Offerta Media
    18 offerte

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

    €650 (Avg Bid)
    €650 Offerta Media
    29 offerte

    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 Offerta Media
    6 offerte

    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...

    €470 (Avg Bid)
    €470 Offerta Media
    2 offerte

    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 Offerta Media
    1 offerte

    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 Offerta Media
    6 offerte

    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 Offerta Media
    3 offerte

    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.

    €3587 (Avg Bid)
    €3587 Offerta Media
    50 offerte

    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 Offerta Media
    22 offerte

    Hello, we want to create cryptocurrency with our own blockchain. so for that if any experience team which already make something like this. so please share your past work with description. more detail we share in chat. Thanks.

    €842 (Avg Bid)
    €842 Offerta Media
    26 offerte

    I want a new coin that enables users to create sub coins based on my blockchain. The result will be a coin that is compatible with my coins wallet. Any coin created from my chain will also be able to be viewed in stored in the main chains wallet. They can also crate their own wallet. Fees from transactions will be in the own coin not in main coin as with ethereum. When developing the coin they wil...

    €12266 (Avg Bid)
    €12266 Offerta Media
    63 offerte
    Create an altcoin 2 giorni left
    VERIFICATO

    Please quote for creation of an alt coin with block

    €558 (Avg Bid)
    €558 Offerta Media
    16 offerte

    I some Asic miners with 18 TH/s speed . I'm using popular pools but having problem with difficulties when it increases . I was wondering if there is anyway to increase the hash-rate with software based methods or if I make my own pool ?

    €389 (Avg Bid)
    €389 Offerta Media
    5 offerte

    We are looking for a quote to make changes to an existing Dapp on the Tron mainnet. We will require a Unity Dev with Blockchain experience. We have attached a Business plan in the File below. Look forward to hearing from you. Cam

    €469 (Avg Bid)
    €469 Offerta Media
    8 offerte

    I need a senior blockchain developer i need to develop a crypto dapp game

    €767 (Avg Bid)
    €767 Offerta Media
    7 offerte

    - audit and improve our TRON smart contracts for our game - Link smart contract API to our front end (built) - Link Tronlink to our front end - deploy smart contracts No not contact me if you don't understand the above items

    €7136 (Avg Bid)
    €7136 Offerta Media
    26 offerte

    Hey, i need someone who is familiar with POA sokol. To check my ethereum smart contract project and see why the reductions arent correct.

    €172 (Avg Bid)
    €172 Offerta Media
    8 offerte

    - audit and improve our TRON smart contracts for our game - Link smart contract API to our front end (built) - Link Tronlink to our front end - deploy smart contracts No not contact me if you don't understand the above items

    €6078 (Avg Bid)
    €6078 Offerta Media
    25 offerte

    [I would like to pay for the performance fee without making a request for the start fee.] Although it is incomplete as a function, The basic trading code is complete. The predecessor is probably writing code in C#. Furthermore, I hope for the modification for the function addition of trade, and the implementation of BTC's automatic collection function using API. The first thing you need to...

    €2321 (Avg Bid)
    €2321 Offerta Media
    19 offerte

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