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. Najem Blockchain Developers

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    I need Bitcoin Node to be installed with API key. The whole server must be install securely and should be penetrate able. Server must run a full node with API access. API must be use able to create/generate new wallet addresses, Node must be able to send and receive payments, Node must be automatically transferring funds from node wallet to a cold / hardware wallet. Server must be protected agains...

    €108 (Avg Bid)
    €108 Povprečna ponudba
    2 ponudb

    We are looking for someone with a lot of experience with blockchain and wallets. We are looking for someone that can update the entire wallets UI and add additional features such as a graph, seed key. Ideally looking for around the 500-600$

    €410 (Avg Bid)
    €410 Povprečna ponudba
    11 ponudb
    Install Exchange Dex 6 dni left
    VERIFICIRAN/A

    Exchange Decentralized for btc, ltc and Eth and ERC20 standar complete web - Backend admin - Users account Developer must deliver lenguage programming language, all features and functions, and description complete of installation and technical sheet of the whole installation

    €1456 (Avg Bid)
    €1456 Povprečna ponudba
    17 ponudb

    I am looking for Co founders blockchain programmer and ICO specialist to start new project

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

    I need help in Creating PIVX Masternode coin with all steps like integrating blockchain , block explorer , QT wallets ( Win - 32-64, Linux, Mac ) , Publishing source code in github , Creating masternode guide , I will first check if the coin chain is smooth or not I mean no bugs in the coin or proof of stake. Many Thanks

    €257 (Avg Bid)
    €257 Povprečna ponudba
    5 ponudb

    I would be willing to make the people stock holders and partners in the company. They would have continuous income for life. The tech involved is very guarded contracts and interviews. has real world application and will be adopted quite fast. Relocation may be a must. is truly a game changer.

    €877167969 (Avg Bid)
    €877167969 Povprečna ponudba
    22 ponudb

    We need an ICO Wallet that works on Ethereum Smart-Contract

    €297 (Avg Bid)
    €297 Povprečna ponudba
    18 ponudb

    Hello! I need a script crypto exchange, just looking for a ready solution. Before buying, I need to watch a demo! I do not need to develop from scratch, such a proposal please do not write to me!

    €1136 (Avg Bid)
    €1136 Povprečna ponudba
    34 ponudb
    Bitcoin jackpot site 5 dni left
    VERIFICIRAN/A

    Looking for partner (paid small amount while working and then site revanue) I want a bitcoin jackpot site (script) Players register and deposit btc. They then ret credit on the site to use in the jackpot. Jackpot is timed so Player can join in and try win the pot. Site profit is 10% of each played game. Dont reply of you havent read it all. Dont reply og you dont Know what bustabit crash gam...

    €62 (Avg Bid)
    €62 Povprečna ponudba
    3 ponudb

    Here Its Example How Should Look And Should Be The Exchange The UI/UX Check Website Before Bid if u can make like this okay : [prijavite se za ogled URL]

    €4077 (Avg Bid)
    €4077 Povprečna ponudba
    38 ponudb

    I need to generate new genesis block insted of current one for POW/POS cryptocurrency, with new vAlertPubKey and scriptPubKey all instruction and steps should be include. award will be according to best price

    €162 (Avg Bid)
    €162 Povprečna ponudba
    7 ponudb

    We are looking for Ethereum Smart Contract developers who has god grip on Solidity language to write contracts and trigger events

    €55 (Avg Bid)
    €55 Povprečna ponudba
    4 ponudb
    Build a Mining Pool Website -- 2 5 dni left
    VERIFICIRAN/A

    Build a Mining Pool Website Like [prijavite se za ogled URL] [prijavite se za ogled URL]

    €134 (Avg Bid)
    €134 Povprečna ponudba
    8 ponudb

    Hello! I need a script crypto exchange, just looking for a ready solution. Before buying, I need to watch a demo! I do not need to develop from scratch, such a proposal please do not write to me!

    €1242 (Avg Bid)
    €1242 Povprečna ponudba
    43 ponudb

    I am looking for ocaml blockchain expert

    €602 (Avg Bid)
    €602 Povprečna ponudba
    24 ponudb

    Section 1: Final points to be verify and fix if any issues 1) SMTP to API for email via [prijavite se za ogled URL] api 2) Email and SMS notification alert for message from trade related 3) Validations in Register page 4) Multiple user session lock 5) Session Hijacking 6) Update mobile no otp verification 7)Sign In link expire on click for sign in 8) Ledger proper in User and Admin Dashboard Sect...

    €34 (Avg Bid)
    €34 Povprečna ponudba
    1 ponudb

    Hello. I am looking for experienced oclam developer. Have to know blockchain, prototcols, c++.

    €537 (Avg Bid)
    €537 Povprečna ponudba
    23 ponudb

    I'm trying to modify pool codes in a mining pool using SHA 256 and redeem the hashes in another coins . Basically my device only process SHA 256 but wondering if we could program the pool to convert the algorithm ? please contact me if you have experience in this filed. my method of payment is by creating milestones and release it once the task was completed . had lots of good reviews so far...

    €408 (Avg Bid)
    €408 Povprečna ponudba
    15 ponudb

    A blockchain engagement platform designed to be a nexus for blockchain education, networking, enterprise collaboration and talent discovery. It is a six month project with a fixed pay every month.

    €2487 (Avg Bid)
    €2487 Povprečna ponudba
    14 ponudb

    Building supply chain management using blockchain for super market

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

    ERC20 token listing with 1 - 2 eth budget.

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

    hello! we are looking for people who can get us a decentralized crypto exchange you can looking at this website [prijavite se za ogled URL]

    €2060 (Avg Bid)
    €2060 Povprečna ponudba
    13 ponudb

    Need a Full stack developer who have some basic knowledge about cryptocurrency, blockchain, and are familiar with the following stack: Node.js, React.js, Redux , AWS, DynamoDB, the ideal candidate should have worked with several successful projects, is an ***excellent front-end developer*** The brokerage needs to have a payment mechanism for depositing the fund, as well as a dashboard for viewing...

    €15 / hr (Avg Bid)
    €15 / hr Povprečna ponudba
    45 ponudb
    Legal opinion on Utility token 4 dni left
    VERIFICIRAN/A

    We have an ERC20 token and we want a legal opinion to ensure it's a utility cryptocurrency. Please don't bid if you are inexperienced with this task.

    €505 (Avg Bid)
    €505 Povprečna ponudba
    12 ponudb
    cryptocurrency 3 dni left
    VERIFICIRAN/A

    i want to create a cryptocurrency for payment.

    €511 (Avg Bid)
    €511 Povprečna ponudba
    23 ponudb

    I'm fonder of ALFASSA ( [prijavite se za ogled URL] ) and I need a BlockChain's programmers

    €7573 (Avg Bid)
    €7573 Povprečna ponudba
    24 ponudb

    I am looking for a blockchain developer experienced in setting up Electrum wallets. Project's description and features is attached.

    €293 (Avg Bid)
    €293 Povprečna ponudba
    11 ponudb

    Hi. I am going to develop new blockchain. I will share details for right freelancer.

    €906 (Avg Bid)
    €906 Povprečna ponudba
    32 ponudb
    Needed ERC20 token Service 3 dni left
    VERIFICIRAN/A

    We need ERC20 token Service Developer. We are looking for a highly skilled developer who can provide us ERC20 Services. We are looking for • Get Balance • Token Send/Receive • Token Address Generation • Transaction History Please Note: • You will need to handover the full development source code to us. • Should be developed with PHP CodeIgniter. • We need the se...

    €480 (Avg Bid)
    €480 Povprečna ponudba
    18 ponudb

    1. Create a masternode coin like pivx 2. Create block explorer 3. Create QT wallets ( Win - 32-64, Linux, Mac ) 4. Publishing source code in github [prijavite se za ogled URL] masternode guide 6. guide to install the seednode Please note : I require only professional developers , I will first check if the coin chain is smooth or not I mean no bugs in the coin or proof of stake

    €503 (Avg Bid)
    €503 Povprečna ponudba
    10 ponudb

    We need to develop and execute a training program in Blockchain

    €464 (Avg Bid)
    €464 Povprečna ponudba
    13 ponudb
    Cleveland, Ohio EOS Uber App -- 2 1 dan left
    VERIFICIRAN/A

    Looking to get an app built on the EOS blockchain that allows riders to receive tokens for their driving service similar to UBER in the Cleveland area. Must have understanding of GPS.

    €3868 (Avg Bid)
    €3868 Povprečna ponudba
    27 ponudb
    Cleveland, Ohio EOS Uber App 1 dan left
    VERIFICIRAN/A

    Looking to get an app built on the EOS blockchain that allows riders to receive tokens for their driving service similar to UBER in the Cleveland area. Must have understanding of GPS.

    €2096 (Avg Bid)
    €2096 Povprečna ponudba
    15 ponudb
    Help create my Blockchain Fork... 1 dan left
    VERIFICIRAN/A

    I need a Blockchain Developer capable of producing a fork with basic Blockchain Adjustments like Block Time, Block Reward, Block Halving, Etc. We would like a wallet implemented and designed as well along with several additional aspects to the development but nothing to extensive. We would require someone with at least 2-3 years experience with Blockchain Developer. ***NOT SMART CONTRACTS! SOL...

    €32 / hr (Avg Bid)
    €32 / hr Povprečna ponudba
    41 ponudb

    I need complete guide to create qt wallets, genesis block, block explorer, block chain from scratch. Finished product should include guide for bash file for easy setup of a masternode VPS on Ubuntu 18.04, and QT GUI wallets for Linux, Windows, Mac. Finished blockchain should not have Proof-of-work mining capabilities. All GUI wallets should be capable of hosting masternodes, have an explorer optio...

    €803 (Avg Bid)
    €803 Povprečna ponudba
    4 ponudb

    Hi! I want my iOS app to be developed in React Native. It's an app like Uber. I have the Android & iOS version already made up using Objective C. Design & all the things will be same as the existing app in React Native except map. The map should be created for React Native. It’s a simple map like admin can change the colors, can create own icons, colors on map etc in a word, ad...

    €1755 (Avg Bid)
    €1755 Povprečna ponudba
    41 ponudb

    I want to develop a proprietary service for my customers. Essentially, it's going to be a stripped-down version of blockchain. I need someone who is knows blockchain inside out - to the point where theyre not helplessly enamoured by it. If you know what you're doing, this is a walk in the park. If you're wrapped up in your crypto bubble, stay there, I have no use for you

    €1387 (Avg Bid)
    €1387 Povprečna ponudba
    37 ponudb
    Compile new POS/POW coin -- 2 1 dan left
    VERIFICIRAN/A

    I want to start a new coin POS/POW. Please bid if you have already developed coins. Looking forward for serious dev..

    €656 (Avg Bid)
    €656 Povprečna ponudba
    8 ponudb

    I need some one to install Rubykube/peatio cryprocurrency exchange in Kubernetes or linux, and you should modify backend and frontend ui please bid if you worked kubernetes docker Ruby on rails and blockchain technologies, want to know more details plz chat with me,

    €26 / hr (Avg Bid)
    €26 / hr Povprečna ponudba
    16 ponudb

    fix minor issues on coinspayment gateaway. btc, eth, and ltc mostly is fixed, just that the exchange rate has a problem. [prijavite se za ogled URL]

    €72 (Avg Bid)
    €72 Povprečna ponudba
    10 ponudb
    fix bug on API 7 ur left
    VERIFICIRAN/A

    i need a minor bug fix on coinspayment API.

    €43 (Avg Bid)
    €43 Povprečna ponudba
    25 ponudb
    Create a new Crypto Currency 15 dni left
    VERIFICIRAN/A

    Create a new Crypto Currency by Improving open source existing codes and ensure its reliability to connect to external environments, and implement sepcific specs and deliverables and high level security.

    €3014 - €5023
    Izpostavljeno Zapečateno Pogodba o nerazkritju informacij
    €3014 - €5023
    63 ponudb

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