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.

Zaměstnat Blockchain Developers

Filtrovat

Moje poslední hledání
Třídit podle:
Rozpočet
pro
pro
pro
Typ
Dovednosti
Jazyky
    Stav zakázky
    41 zakázek nalezeno, ceny v EUR

    1. Front end 2. Back end for clients with sub-domain 3. Backend for SaaS management 4. Blockchain usage in architecture wherever possible.

    €132 (Avg Bid)
    €132 Průměr. nabídka
    4 nabídky
    need someone to fork stellar.org 6 dní left
    OVĚŘENÉ

    This is for a blockchain startup. We prefer someone who already has the full package...website..wallet..currency... etc... We can discuss further requirements after interview

    €330 (Avg Bid)
    €330 Průměr. nabídka
    2 nabídky

    Need someone that is familiar with blockchain/cryptocurrency website here: [pro zobrazení URL se přihlaste] roulette (remove the space to view) 1) Create an account and go to the "Roulette" game as that is what we need duplicated and managed Incentives: A) % of earnings long-term B) And much more bonuses to come There is an image attached of the Roulette game you will see

    €29 / hr (Avg Bid)
    €29 / hr Průměr. nabídka
    29 nabídky

    WHY US Blockdynamics is an international startup that implements Blockchain solutions for Enterprise. We believe that smart contracts and Blockchain technology have the potential to impact a vast portion of the 21st century's economy. We aim to become one of the early providers of tools in the enterprise Blockchain ecosystem. We support protocols such as Ethereum, Hyperledger, Corda, and EOS,...

    €3891 (Avg Bid)
    €3891 Průměr. nabídka
    15 nabídky

    I am needing someone to duplicate this site and be able to make changes as we want to customize it. Playing the Roulette game or something similar. website: (remove the space) https://bitsane. tech

    €15 / hr (Avg Bid)
    €15 / hr Průměr. nabídka
    70 nabídky

    Design, Javascript(React,Vue,Node,Angular), Python, Laravel, Blockchain, Cryptocurrency.

    €432 (Avg Bid)
    €432 Průměr. nabídka
    36 nabídky
    Installing solidity 6 dní left
    OVĚŘENÉ

    Help me install solidity 0.4.17

    €22 (Avg Bid)
    €22 Průměr. nabídka
    1 nabídky

    We want to ramp up a project similar to [pro zobrazení URL se přihlaste] check out the whitepaper, maybe with some other easy understanding games and also with some Coin (Ante at [pro zobrazení URL se přihlaste]) but it should be also possible to use a coin which exist. Because of the high transaction (games) we need a blockchain which can handle so many transactions maybe ripple? We...

    €19 / hr (Avg Bid)
    €19 / hr Průměr. nabídka
    17 nabídky

    I'm looking for someone who have enough experience a EOS Smart Contract. This project has to finish within 3 days. Project details will discuss with chat. Required need Skill: EOS Blockchain, smart contract, C++

    €542 (Avg Bid)
    €542 Průměr. nabídka
    14 nabídky

    I need a experience memory coder(s) to develope me a software program for Online Gaming in either C/C++. It will be used as a assistance for A.imin.g purposes. Experienced coders need only bid. Contact me for a more in-depth discussion.

    €963 (Avg Bid)
    €963 Průměr. nabídka
    17 nabídky

    Main goals: inventing 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. The project suggests: participation in the writing of documentation; interacting with teams that develop other products; d...

    €34 / hr (Avg Bid)
    €34 / hr Průměr. nabídka
    19 nabídky

    Need to audit our stable coin smart contract. Interested people send me your previous work

    €200 (Avg Bid)
    €200 Průměr. nabídka
    7 nabídky

    creating a peer to peer trading website like [pro zobrazení URL se přihlaste] with more features

    €1017 (Avg Bid)
    €1017 Průměr. nabídka
    39 nabídky

    I need a faucet with Steem coin integrated. I need exactly a website like this but with steem instead of doge. [pro zobrazení URL se přihlaste]

    €149 (Avg Bid)
    €149 Průměr. nabídka
    12 nabídky

    I need a profitable forex trading signal

    €6023 (Avg Bid)
    €6023 Průměr. nabídka
    25 nabídky

    I need a profitable Forex Trading Signal and How does it works

    €3637 (Avg Bid)
    €3637 Průměr. nabídka
    14 nabídky
    ASIC FPGA Firmware development 3 dní left
    OVĚŘENÉ

    We are looking for developers/coders specialized in cryptos and blockchain for a project of firmware development. We would like to get a firmware to overclock this mining hardware i.e. graphic cards (GPU) RX580 8Go. Which are the maximum hashrates performances you can get?

    €1807 (Avg Bid)
    €1807 Průměr. nabídka
    3 nabídky

    Requirements: 1) Must have solid experience in web and software development especially C++(I DO NOT WANT PHP WORK.) 2) Must have a solid background in Security and Cyber Security. 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 will be offered! Pay will be for this project and 4 months...

    €2263 (Avg Bid)
    €2263 Průměr. nabídka
    33 nabídky

    Hi I need to be listed in 1 preferably 2 exchanges for my coin (not token) and would like to be listed in one from the list here: [pro zobrazení URL se přihlaste] if possible and without listing fee. Can you help with this?

    €208 (Avg Bid)
    €208 Průměr. nabídka
    11 nabídky
    BLOCKCHAIN AUTHENTICATION 2 dní left
    OVĚŘENÉ

    SOFTWARE 1. Programming language : python / Java 2. Blockchain : etherium solidity 3. Interface : PhP framework 4. API : postman MODULE 1. User Authentication 2. Device Authentication 3. Evidence collection PAYMENT 1. Maximum : USD300 total project cost 2. Payment through freelancer / paypal 3. Payment schedule : USD 50 – flow chart and algorithm USD 100 – User Authentication US...

    €401 (Avg Bid)
    €401 Průměr. nabídka
    13 nabídky

    My project will implement a simple supply chain management process with 3 parties (buyer, supplier, and bank. The contract will have a simple work order (amount and price/unit, total price and insurance binder for supplier) between buyer and supplier. The bank will be able to see the contract and insurance binder. Tasks are initiate work order + work complete.

    €275 (Avg Bid)
    €275 Průměr. nabídka
    10 nabídky

    I want to create a one slide software architecture diagram for my block chain based digital certificate storage/ (technology stack)verification

    €12 / hr (Avg Bid)
    €12 / hr Průměr. nabídka
    1 nabídky

    This project is only for senior experts who have proven experiences in Android&iOS wallet of several crypto assets. Need to provide several digital assets like BTC, ETH, Monero, USDT Send, Receive, Exchange between assets functions to be implemented Need import/export private key Backup wallet function need Hybrid is preferred Please describe about decentralize and centralize experiences about...

    €3936 (Avg Bid)
    €3936 Průměr. nabídka
    46 nabídky

    !! READ the REQUIREMENTS before you knock !! 1. You are expected to have good knowledge on areas such as; blockchain attacks/crypto-threats/solidity/Smart-contract/Hash-Algorithms/51% attacks/Sybil attack/. 2. You will need to figure out a security issue in the blockchain network. We can help you with that. Some issues can be 51% attack, Sybil attack, BGP Hijacking, Eclipse attack, Smart Contr...

    €7 / hr (Avg Bid)
    €7 / hr Průměr. nabídka
    7 nabídky

    I am looking for support in designing a peer to peer energy system that utilises blockchain and the lightning network. Needs to be scalable to 1 billion transactions per second. This is just a design and proof of concept

    €711 (Avg Bid)
    €711 Průměr. nabídka
    19 nabídky

    We are seeking crypto professionals in NYC! We are seeking everything from white paper contributors to developers and smart contract professionals.

    €1045 (Avg Bid)
    €1045 Průměr. nabídka
    9 nabídky

    !! READ the REQUIREMENTS before you knock !! You are expected to have good knowledge on areas such as; blockchain attacks/crypto-threats/solidity/Hyperledger/Smart-contract/Hash-Algorithms/51% attacks/Sybil attack/. You will be provided with any online books/Journals/articles that you will ask for regardless of how expensive they are. Programming skills required and essential. Your task ...

    €7 / hr (Avg Bid)
    €7 / hr Průměr. nabídka
    5 nabídky
    MultiSig Wallet App iOS/Android 1 den left
    OVĚŘENÉ

    MultiSig Wallet App iOS/Android Ability to Buy and Swap crypto using [pro zobrazení URL se přihlaste] API Trade crypto using user existing API (binance, coinbase pro, [pro zobrazení URL se přihlaste]) Send and Receive Crypto Wallet Creation inc Import and Export feature Live chat support Design will be supplied and API

    €3008 (Avg Bid)
    €3008 Průměr. nabídka
    49 nabídky
    CRYPTO CURRENCY 1 den left
    OVĚŘENÉ

    developer that know Blockchain with experience with cryptonote technology sources.. like Monero and/or Bytecoin to add on our official developer team.

    €748 (Avg Bid)
    €748 Průměr. nabídka
    18 nabídky

    We are working on using barcodes, app , USSD or another simple tech that will be used to receive data in low income communities which will be stored using blockchain tech

    €227 (Avg Bid)
    €227 Průměr. nabídka
    11 nabídky
    partners (ONLY) in Partnership 1 den left
    OVĚŘENÉ

    I am looking for partners for a new Crypto project create wallets, create token, pre sale site (ICO) we can discus about your implication possibility

    €1051 (Avg Bid)
    €1051 Průměr. nabídka
    18 nabídky

    I need some to help me deploy ethereum smart Contract asap, the code is ready, all you need is to deploy it. Nothing much!

    €35 (Avg Bid)
    €35 Průměr. nabídka
    15 nabídky

    This project is only for senior experts who have proven experiences in mobile wallet of several digital assets. Need to provide several digital assets like BTC, ETH, Monero, .. Send, Receive, Exchange between assets functions to be implemented Need import/export private key Backup wallet function need Provide multi Language Hybrid both possible

    €3605 (Avg Bid)
    €3605 Průměr. nabídka
    48 nabídky
    compile a coin for me 19 hodiny left
    OVĚŘENÉ

    Hi I want you to compile new coin for me with Explorer Windows and linux wallet Minning pool

    €691 (Avg Bid)
    €691 Průměr. nabídka
    12 nabídky

    Hi there, I need someone who is able to create a ethereum node and implement a smart contract which allows the deployment of certifications. Simply Entity-A releases a certificate to entity B with few details, name, expiration, this is push on the blockchain. Please contact me for more information. Fed

    €146 (Avg Bid)
    €146 Průměr. nabídka
    23 nabídky
    Need to Fork Litecoin 19 hodiny left
    OVĚŘENÉ

    Hi All, I want to Fork a coin based on LTC. Experience in Blockchain and cryptocurrency will only place the bid. Details will be shared over personal message. Thanks

    €759 (Avg Bid)
    €759 Průměr. nabídka
    24 nabídky

    I'm looking for a developer who can create an Erc-20 token with intellectual property written in the smart contract. So the tokens legally represent shares of the intellectual property. In our case, the intellectual property will be songs. Also written in the contract, we would like the addresses and wallet value to also be part of the token. Wallet addresses on other cryptos such as music...

    €375 (Avg Bid)
    €375 Průměr. nabídka
    23 nabídky
    Create new version of at code 15 hodiny left
    OVĚŘENÉ

    I want a new version of a qr code created to store more information. I want either more modules or more colours. Maybe black, white, grey, blue, green and red as an option or other option is for more modules so instead of 144x144 it can be like 555x555. I will also need to know how much data can be store in the code and how many kB the wr image itself will be

    €76 (Avg Bid)
    €76 Průměr. nabídka
    6 nabídky

    This is part one of a multi-part evolving project. This is webapp solution will allow users to extract the blockchain data of the users' wallets. Data will be saved to a SQL server. The webapp will also periodically capture incremental data of the wallets. The webapp will then allow the user to view their wallet ledgers and token asset summary. To keep this project small and on budget, we w...

    €172 (Avg Bid)
    €172 Průměr. nabídka
    12 nabídky

    This project is only for senior experts who have proven experiences in mobile wallet of several digital assets. Need to provide several digital assets like BTC, ETH, Monero, .. Send, Receive, Exchange between assets functions to be implemented Need import/export private key Backup wallet function need high security Several Language Native or Hybrid both possible

    €3198 (Avg Bid)
    €3198 Průměr. nabídka
    41 nabídky

    Developing a Blockchain Technology for Healthcare data record

    €1608 (Avg Bid)
    €1608 Průměr. nabídka
    33 nabídky

    Nejlepší články z komunity Blockchain