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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    Wallet link: [prijavite se za ogled URL] I need to change somethings in the wallet... First when a user create an account no need to email verification Just show the seeds randomly and securely and then wallet ask user to re-enter seeds again to confirm And then make users access to all of the coins private keys access Remove picture option from wallet too we don't need KYC Also remov...

    €235 (Avg Bid)
    €235 Povprečna ponudba
    2 ponudb
    Create a whitepaper. 6 dni left
    VERIFICIRAN/A

    Hi, I need a whitepaper created for a new ICO.

    €378 (Avg Bid)
    €378 Povprečna ponudba
    25 ponudb

    I need fast Programmer with Skills in Javascript / Smart Contract for a Blockchain - Cryptocurreny Project. You need experience in Cryptocurrencies like Ethereum / Waves. Introduce you !!

    €4 / hr (Avg Bid)
    €4 / hr Povprečna ponudba
    9 ponudb

    My project is a healthchain , a block chain based health information system. I need it to be built with python & Flask. Not a full system. Just a proof of concept of how to apply blockchain in health sector.

    €466 (Avg Bid)
    €466 Povprečna ponudba
    16 ponudb

    Create a IOS Loaf Wallet to connect to our V0.15 Litecoin Clone Altcoin Please let us know your Skills and Experience with Litecoin Apps and your Fees Deliverable: Current Loaf Wallet source ported to connect to our Altcoin. Tested as Functional (Binary and Source)

    €1164 (Avg Bid)
    €1164 Povprečna ponudba
    11 ponudb

    I am searching for someone who can develop me a smart contract on etherium blockchain For example I have numbers like 101, 102, 103….etc. The smart contract must pick me randomly the winner like a lottery my question is wich soloution is the best do we have to implement all numbers in smart contract or can we use rules like number from 1 to 100? i know there are a lot of blockchain lo...

    €153 (Avg Bid)
    €153 Povprečna ponudba
    8 ponudb

    I am searching for someone who can develop me a smart contract on etherium blockchain For example I have numbers like 101, 102, 103….etc. The smart contract must pick me randomly the winner like a lottery my question is wich soloution is the best do we have to implement all numbers in smart contract or can we use rules like number from 1 to 100? i know there are a lot of blockchain lo...

    €163 (Avg Bid)
    €163 Povprečna ponudba
    6 ponudb
    ethereum developers only! 6 dni left
    VERIFICIRAN/A

    Hi I am looking for someone to create an app on the ethereum network. Our app is complete already. We just need to add the eth smart contracts. Please have experience and be available to start doing work.

    €2079 (Avg Bid)
    €2079 Povprečna ponudba
    18 ponudb

    I’m interested in building a node explorer similar to the following one: [prijavite se za ogled URL] Some of the code used for this project can be found here: [prijavite se za ogled URL] The difference would be to build one for the following coin: [prijavite se za ogled URL] Their developer tools can be found here: [prijavite se za ogled URL] If someone have experience with the same/simi...

    €3724 (Avg Bid)
    €3724 Povprečna ponudba
    18 ponudb

    I need a blockchain Hyperledger For my app

    €2594 (Avg Bid)
    €2594 Povprečna ponudba
    20 ponudb
    BlockChain Solving problem 5 dni left
    VERIFICIRAN/A

    build me a random number generator on Blockchain via smart contract

    €140 (Avg Bid)
    €140 Povprečna ponudba
    9 ponudb

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

    €2436 (Avg Bid)
    €2436 Povprečna ponudba
    11 ponudb

    Looking for good team members for our project. Presale is starting in a couple days.

    €501 (Avg Bid)
    €501 Povprečna ponudba
    29 ponudb

    Pm me for more info. Its a browser based gambling dapp. Note this is a start-up project.

    €1140 (Avg Bid)
    €1140 Povprečna ponudba
    13 ponudb
    Blockchain simple chaging 5 dni left
    VERIFICIRAN/A

    I am finding only few things for QT blockchain UIs. I am very urgency..

    €173 (Avg Bid)
    €173 Povprečna ponudba
    8 ponudb

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

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

    I want to create a crypto currency. I want to contain some or all these features - open-source, public, blockchain-based distributed computing platform, operating system featuring smart contract functionality, real-time gross settlement system, sharding and to support smart contract. If you feel you can be a candidate for my team on this please let me know

    €1860 (Avg Bid)
    €1860 Povprečna ponudba
    37 ponudb

    Hi I am looking for someone to create an app on the ethereum network. Our app is complete already. We just need to add the eth smart contracts. Please have experience and be available to start doing work.

    €2248 (Avg Bid)
    €2248 Povprečna ponudba
    26 ponudb

    I have a project in mind and I need consultation on if and how this project is possible. I need to be able to view balances of none-zero bitcoin wallets that happened prior to today (non live data). Example: I want to see balance of top 1000 wallets for yesterday. I dont believe this data would be available on blockchain explorer, would that mean I need to data mine blockchain? if so, how would...

    €15 (Avg Bid)
    €15 Povprečna ponudba
    7 ponudb

    We are looking for qualified developers/team to build the Blockchain application for an Enterprise company in Supplychain & logistics industry. Project Involves multiple phases - Technology Architecture, Smart contracts, Dapps development to track the product from the Manufacturing process till the consumer delivery Application maintenance.

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

    i need to desighn a system where two persons can make a contract between them just like using a phone to enter their details and frame an econtract like the given contract is valid for how many days ,and what are the things which can breach it (assumptions).these data get stored in such a way that blockchain can be implemented.

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

    We are an cryptocurrency exchange which want to expand our services with an API. The API user needs to register and authenticated through Laravel Passport (this also needs to setup) or on Lumen (please advise). The API needs to do the following: 1. Make a wallet for a cryptocurrency 2. Check the amount of coins available on orderbook 3. Taking buy/sell orders on the exchange 4. Check the balances...

    €582 (Avg Bid)
    €582 Povprečna ponudba
    40 ponudb

    i need to create a token and integrate it to the website.

    €543 (Avg Bid)
    €543 Povprečna ponudba
    23 ponudb

    Hi I am looking for someone to create an app on the ethereum network. Our app is complete already. We just need to add the eth smart contracts. Please have experience and be available to start doing work.

    €682 (Avg Bid)
    €682 Povprečna ponudba
    22 ponudb
    ethereum developer 4 dni left
    VERIFICIRAN/A

    Hi I am looking for someone to create an app on the ethereum network. Our app is complete already. We just need to add the eth smart contracts. Please have experience and be available to start doing work.

    €577 (Avg Bid)
    €577 Povprečna ponudba
    16 ponudb

    I have forked a dapp and turned into a similar game, but one of the functions is not working. It's developed on tron blockchain. I need you to see the smart contract and see what needs to be fixed.

    €149 (Avg Bid)
    €149 Povprečna ponudba
    13 ponudb
    ICO Bounty Hunter Required 3 dni left
    VERIFICIRAN/A

    We need an experienced bounty and airdrop coordinator for our upcoming ICO. The successful applicant will have references of past work and evidence of the capabilities required. Full management of the process e2e required. Pre-ICO starts in May 2019. Please provide a high-level plan on what activities you will carry out to ensure a successful ICO bounty campaign and how long. The founders are...

    €11 / hr (Avg Bid)
    €11 / hr Povprečna ponudba
    9 ponudb
    create a masternode coin! 3 dni left
    VERIFICIRAN/A

    i need to change my current erc20 token to a masternode token like dash i already have own erc20, just need to swap it.

    €443 (Avg Bid)
    €443 Povprečna ponudba
    12 ponudb

    Need it done in 48 hours, the coin is a pow coin.. The developer that will do this must have it done in 48 hours.

    €1206 (Avg Bid)
    €1206 Povprečna ponudba
    8 ponudb

    I am looking for a programmer to develop a birth registration application in solidity, can be a simple application

    €398 (Avg Bid)
    €398 Povprečna ponudba
    7 ponudb
    Looking for crypto trader 3 dni left
    VERIFICIRAN/A

    We are a company based in Dubai and We are looking for experienced freelance traders, who can join our dynamic and dedicated team. Who are we? Teroxx is one of the first digital asset and digital currency trading houses in the world! Working closely with regulators, Teroxx is on its way to implement an international concept for cryptocurrency trading and investments in blockchain technology and i...

    €48 / hr (Avg Bid)
    €48 / hr Povprečna ponudba
    17 ponudb

    Hello, We want to create a crypto-asset which here is the context: Our company FAZUP manufactures and markets a device that greatly reduces the amount of electromagnetic waves absorbed by smartphone users. It is an extra fine passive antenna, in the form of a patch, which is positioned very precisely on the back of the mobile phones, with respect to their main antenna location. The FAZUP patch r...

    €13 / hr (Avg Bid)
    €13 / hr Povprečna ponudba
    27 ponudb

    Need turnkey solution with source code, training and support : Liquidity aggregator for own cryptocurrency exchange. REST API, WebSockets, minimal 3 platform: Binance, Bitfinex, Huobi Attach description and indicators

    €3814 (Avg Bid)
    €3814 Povprečna ponudba
    31 ponudb

    The topic of the Blog is : What is blockchain (including its features) and types of blockchain (Public, Private, and Consortium blockchain) Notes: a)Content should be unique and professional b)The tone of the blog should be user-friendly and easy to understand c)It should not be copied/duplicate from any source on the internet d)Experience in this blockchain technology would be preferred e)Shou...

    €14 (Avg Bid)
    €14 Povprečna ponudba
    6 ponudb

    We need an easy to understand video about what the blockchain can bring to enterprises and for private use. The length is maximum 90 seconds and it needs to explain: 1] What is the blockchain 2] What are possibilities on the blockchain 3] Assets/aliases on the blockchain 4] Exchanges and transactions on the blockchain. Example of the quality and look-feel we expect: [prijavite se za ogled URL] W...

    €901 (Avg Bid)
    €901 Povprečna ponudba
    38 ponudb

    Hello, I need to find someone who can create a Betting/Game Dapps based on the Tronx blockchain For example: [prijavite se za ogled URL] [prijavite se za ogled URL] You can provide me with game ideas, and I will choose. Regards

    €2603 (Avg Bid)
    €2603 Povprečna ponudba
    28 ponudb

    We need to do penetration testing to our smart contract on Rinkeby and need to static analysis as well. We need to complete this static & dynamic analysis ASAP before you launch the contract on mainnet. The developer needs to have expertise in Solidity and have extensive experience in Solidity smart contract audit and penetration testing. Please follow up with portfolios.

    €639 (Avg Bid)
    €639 Povprečna ponudba
    13 ponudb

    We have a running DEX but on running market [prijavite se za ogled URL] tech spec we want. Specifically we want to build a [prijavite se za ogled URL] like exchange. 1. Front end totally change (use react or any other tech) 2. Full source code need to be provided 3. Backend server 4. Token listing/integration process 5. Deploy on digital ocean 6. 2 color theme daymode and night mode ** All ...

    €1362 (Avg Bid)
    €1362 Povprečna ponudba
    23 ponudb

    Hello, I need to find someone who can create a decentralized trading platform based on the Tronx blockchain For example: [prijavite se za ogled URL]

    €2224 (Avg Bid)
    €2224 Povprečna ponudba
    32 ponudb

    We need to do penetration testing to our smart contract on Rinkeby and need to static analysis as well. We need to complete this static & dynamic analysis ASAP before you launch the contract on mainnet. The developer needs to have expertise in Solidity and have extensive experience in Solidity smart contract audit and penetration testing. Please follow up with portfolios.

    €617 (Avg Bid)
    €617 Povprečna ponudba
    11 ponudb

    We are looking for Blockchain Expert who can work on our various projects. There are so many tasks that you have to implement and if you are right person, it will be long term contract. I'm looking for Real Expert have at least 2 years of experience in this field. You are needed to show some previous works that you have done and explain about it. Must work on US timezone. There might be over...

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

    I need blockchain developers, for crypto games. Slots, roulette, dice

    €1509 (Avg Bid)
    €1509 Povprečna ponudba
    22 ponudb

    Need developer that had done a Crypto virtual banking or ICO crowdfunding site that builds under ethereum blockchain technology ERC20. The developer needs to know code igniter or Laravel to start a project. A developer needs to know Linux server, Plesk. It's very important that the website needs to be able to accept cryptocurrencies like bitcoin, Eth, LTC, and other Token. A developer needs t...

    €1176 (Avg Bid)
    €1176 Povprečna ponudba
    83 ponudb

    I need crypto marketing expert that can convert massive audience to my crypto project through airdrop and bounty tasks on Bitcointalk, telegram and other crypto related websites.

    €125 (Avg Bid)
    €125 Povprečna ponudba
    9 ponudb
    Build a CryptoCurrency Exchange. 12 dni left
    VERIFICIRAN/A

    we want to build a cryptocurrency exchange not token exchange not ICO website crypto exchange BTC BCH ETH LTC XRP NEO USDT TRX all coins should be able to trade with each other as pairs. *** you can download requirements document and read that in depth and word by word *** if you want to have a chance to choose as this project freelancer, you should read t...

    €5292 - €8820
    Izpostavljeno Zapečateno
    €5292 - €8820
    96 ponudb

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