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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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    31 trabajados encontrados, precios en USD

    Full project details: 1) Fork the latest bitcoin source code 2) Add the latest proof of stake 3) Make the rewards split as follows: 3.1) Litenodes (90%) = Staking wallets receiving rewards after 60 mins. Replacing all the word “staking” with “litenode”. All the rewards paid to Litenodes should be label “Litenode Reward” in the QT-wallet. 3.2) Fund (10%) = A...

    $300 - $1000
    Sellado
    $300 - $1000
    4 ofertas
    Bitcoin Fork + Proof of Work 6 días left
    VERIFICADO

    I'm looking for a blockchain developer who can fork the latest bitcoin source code and add the latest proof of stake. Please contact me if you are interested. Full project details: 1) Fork the latest bitcoin source code 2) Add the latest proof of stake 3) Use the term “litenode” instead of “staking” 4) Make sure that the new blockchain is secure and fast 5) Make the ...

    $500 - $1500
    Sellado
    $500 - $1500
    11 ofertas

    we need a small study and analysis if it’s possible to mine some cryptocurrency (which one?) with a network using dual ARM 9 at 1 GHZ , 5k DMIPS, 512 L2 cache, quad core at 700 MHz Runner and 3Mpps and also some dual ARM A53 at 1.5 GHZ, 7k DMIPS CPU's, does this make sense, if yes witch currency? why? how could be built such an architecture?, if not? why? an experienced person can creat...

    $200 (Avg Bid)
    $200 Oferta Promedio
    1 ofertas
    Blockchain wallet web application 6 días left
    VERIFICADO

    i want to build a web based application based on Blockchain that have the below access level: - System admin who will be able to manage the whole system - Office (created by system admin ) office will be managing some options for the Agents - Branch (created by Office admin user - Agent will be connected to office or more than one office there will be wallet for office and Agent step no. one wh...

    $1369 (Avg Bid)
    $1369 Oferta Promedio
    41 ofertas
    Web Application 6 días left

    Hi, Need assistance on a small smart contract in Hyper ledger Block Chain

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

    Hello, Need someone to rework few parts of blockchain written in python. Its currently functional in terms of transacting value from one node to another, but i need it reworked so nodes can write medical data to random ID's as well as explorer that can show those data if entered that random ID's those values have been assigned to. This has been done with Visual Studio Code and Anacond...

    $105 (Avg Bid)
    $105 Oferta Promedio
    6 ofertas

    RRMine is a technology company focusing on Blockchain, AI and Computing Power. We have attended an online Conference called TerraCrypto last month in Russia and our CEO had a speech there to discuss with other professionals and experts. We would love to cooperate with us to improve our visibility in foreign countries.

    $551 (Avg Bid)
    $551 Oferta Promedio
    12 ofertas

    I want to perform forking of coin and proof of stake Full project details: 1) Fork the latest bitcoin source code 2) Add the latest proof of stake 3) Use the term “litenode” instead of “staking” 4) Make sure that the new blockchain is secure and fast 5) Make the rewards split as follows: 5.1 Holders (70%) = All addresses with a minimum average balance will automatically re...

    $167 - $500
    Sellado
    $167 - $500
    3 ofertas

    I want an expert in BTC forking and proof of stake only experienced developers fixed price 200USD

    $20 - $165
    Sellado
    $20 - $165
    0 ofertas

    I want a blockchain and bitcoin expert to work on hourly basis experience more than 3 years

    $1 - $5 / hr
    Sellado
    $1 - $5 / hr
    5 ofertas

    Looking for a Sr expert Tech lead/PM for smart contract builder for the Hyper ledger blockchain. The project is to convert traditional contracts that has some rules to smart contract. The current contract consists of static legal verbiage and a section of table rules. Candidate must be Sr level expert in Smart contract for hyper ledger blockchain architecture

    $50 / hr (Avg Bid)
    $50 / hr Oferta Promedio
    32 ofertas

    Exchange Review : A 2020 Breakdown - What You Need to Know Before Signing Up (A comprehensive and complete breakdown of [ExchangeName]; to be featured in the Exchange Review Category of a Publication) Highlight all the main value propositions by reviewing each service Team, Service, Solution review Supported Marketplaces & Trading Pairs (hint; explosive Volume) Fees & Structure *Looking f...

    $78 (Avg Bid)
    $78 Oferta Promedio
    16 ofertas

    Hi I need a same system and function of website like http://forsage.io. only serious candidates apply. please don't bid if you deny understand the website.

    $991 (Avg Bid)
    $991 Oferta Promedio
    6 ofertas

    It is very simple that freelancer should develop a coin. An amount of coin in a single block and once the particular amount will be achieved the block will be crated automatically and blockchain has capacity to generate block in every 1 millisecond. for more details sent your bid. I prefered that this blockchain code will be written on python language others suggesttions are also acceptable.

    $1902 (Avg Bid)
    $1902 Oferta Promedio
    11 ofertas

    Looking to hire a research and marketing research assistant. Potentiality long term Goal: Complete a market research analysis in Security Token & Digital Securities in terms of issuance structure, regulations, market players, risks, etc Skill Requirements: 1. Have Academic background in Finance, Economy, Data Analysis. 2. Experience in Cryptocurrency and Blockchain. 3. Experience working i...

    $141 (Avg Bid)
    $141 Oferta Promedio
    11 ofertas

    We need to create a nodejs piece of code for multi-payment BTC-addresses at once. Reply to candidates who work with blockchain technologies and payment processing only. Input: 1. BTC wallet ID from [iniciar sesión para ver URL] & wallet password or BTC address to make a payment from & address private key; 2. List of BTC addresses to transfer funds to; 3. Sum to send to each addres...

    $582 (Avg Bid)
    $582 Oferta Promedio
    18 ofertas

    I'm looking for a freelancer who can create video courses on 'IT Services - Blockchain' that could be hosted on an online learning platform. Please revert on your experience in online training and the language that will be used in the training.

    $666 (Avg Bid)
    $666 Oferta Promedio
    3 ofertas

    i need to introduce blockchain to my code. we will use it when we do connection with two different players in supply chain. like supplier distributor or to other supplyer. also we have to put specific steps in the supply chain like in reception and end of production . also we need to know the cost that we need to pay for the blockchain (fingerprint in each step the way we do it and implement it)

    $16 (Avg Bid)
    $16 Oferta Promedio
    2 ofertas

    We are a Bangalore based company dealing with project management.

    $4313 (Avg Bid)
    $4313 Oferta Promedio
    25 ofertas

    Hello, guys, Who we are: I am a delegate of a new Blockchain startup. Our mission is to create the most secure software for working with modern blockchain technologies. What we are searching for: Full-stack developer with extensive experience in both: web and Blockchain development technologies. A guy, who has experience in working as Senior/Lead developer at least for 3-5 years. If you have exp...

    $51 / hr (Avg Bid)
    $51 / hr Oferta Promedio
    21 ofertas

    i need to introduce blockchain to my code. we will use it when we do connection with two different players in supply chain. like supplier distributor or to other supplyer. also we have to put specific steps in the supply chain like in reception and end of production . also we need to know the cost that we need to pay for the blockchain (fingerprint in each step the way we do it and implement it)

    $50 (Avg Bid)
    $50 Oferta Promedio
    3 ofertas

    traceability system where we include block chain.

    $30 (Avg Bid)
    $30 Oferta Promedio
    3 ofertas

    We would like to request the production of a wallet that allows BTC deposit and withdraw using blockchain technology and an admin panel that can manage the deposit and withdrawal. BTC is the only currency we handle, and we would like to produce on a blockchain basis. We would like to request development including the API. Please refer to below for the model, [iniciar sesión para ver URL] ...

    $1395 (Avg Bid)
    $1395 Oferta Promedio
    43 ofertas

    I want to add a pool on my website for gathering computing power of multiple users and work on same task.

    $119 (Avg Bid)
    $119 Oferta Promedio
    2 ofertas

    Hello, What I'm looking for is something like an ICO payment page, a page that works like this: 1) A form where user insert ERC-20 token address and amount, then button "Continue" 2) Pressing "Continue", will appear on screen the amount that need to be paid in ETH based on the exchange rate owner decide for the token and the address where ETH has to be sent 3) After ETH pa...

    $589 (Avg Bid)
    $589 Oferta Promedio
    20 ofertas
    Block chain 1 día left
    VERIFICADO

    Want to create new crypto currency reparation goal need someone to be able to also write a smart contract for its and also wanted to be based on investors obviously

    $1833 (Avg Bid)
    $1833 Oferta Promedio
    33 ofertas

    I need a personalized Linux OS distribution image for clients, web interface for managing, admin backend, etc. I have my own servers to host it. I have to be able to add or remove mining softwares, pools and other settings on the admin back end, control my customers balance, etc. it has to support both GPU and CPU mining simultaneously.

    $1196 (Avg Bid)
    $1196 Oferta Promedio
    16 ofertas
    Blockchain Expert Needed 1 día left
    VERIFICADO

    seeking a blockchain developer. Please feel free to contact me.

    $1425 (Avg Bid)
    $1425 Oferta Promedio
    30 ofertas
    Crypto CD Art 1 día left

    What is Crypto CVD Art? Crypto CVD Art is a marketplace of unique and rare stickers all over the world. Born from the idea of ​​the Coronovirus pandemic, it wants to bring more unique than rare collectibles in your homes. Nice collectibles with different types of rarity will be the result of a fantastic and accurate selection model. Based on the Etherum blockchain, it allows you to buy and rese...

    $624 (Avg Bid)
    $624 Oferta Promedio
    9 ofertas

    I need a form for creating and managing a reward-paying bounty smart contract using Ethereum (some links below to see similar Ethereum bounty projects/tools). I will provide the exact specifications to the freelancer(s) selected. Please share experience with Ethereum smart contracts and/or bounty projects. You should be familiar with openzeppelin, ER20, and security best practices. LINKS: [i...

    $15 / hr (Avg Bid)
    $15 / hr Oferta Promedio
    13 ofertas

    Developer needed to alter some aspects of a HLF1.4+ instance that will house music and track file usage.

    $1190 (Avg Bid)
    $1190 Oferta Promedio
    16 ofertas