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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    32 Gefundene Jobs, Preise in EUR

    I need crypto currency app- URGENT hiring

    €347 (Avg Bid)
    €347 Gebot i.D.
    4 Angebote
    Hyperledger Indy 6 Tage left

    We require a team of 4 people to work on a blockchain project. The timeline for the project is 45 days. We would prefer full stack developers.

    €16654 (Avg Bid)
    €16654 Gebot i.D.
    16 Angebote

    Blockchain/cryptocurrency developer required-ONLY HIGHLY EXPERIENCED

    €1554 (Avg Bid)
    €1554 Gebot i.D.
    13 Angebote

    Hello, I own a pool for personal use and I would like to add asicboost on my stratum server. I know stratum source and if possible I prefer to have modified source code with explanation Also a good addition will be equihash algo. Regards Zagorxx

    €498 (Avg Bid)
    €498 Gebot i.D.
    1 Angebote

    Crypto current developer-MUST have experience in working with cryptocurrency

    €794 (Avg Bid)
    €794 Gebot i.D.
    13 Angebote
    Build me an application 5 Tage left
    VERIFIZIERT

    I am looking for a developer to build a simple application using the [Zur Anzeige der URL Anmelden] API. More details will be discussed with selected developers only.

    €310 (Avg Bid)
    €310 Gebot i.D.
    13 Angebote

    Hi there, I have a hyper ledger fabric network with 2 nodes, 6 peers. The system works until I got a lot of transactions loaded. I need someone who can review the code and tell me what is the issue. potentially also to fix the issue after the analysis. This is just to provide feedback of the solution. Thanks Fed

    €80 (Avg Bid)
    €80 Gebot i.D.
    4 Angebote

    Only readymade binary mlm platform needed which is crypto based and it must be easy to use and scalable. Show me the demo with admin. Thanks

    €204 (Avg Bid)
    €204 Gebot i.D.
    10 Angebote
    ICO for real estate project 5 Tage left
    VERIFIZIERT

    The project consists of developing an ICO from scratch for a real estate project. It is about creating a cryptocurrency with Ethereum and making it public. The website must allow the exchange of the token with bitcoin and ethereum. The public offer will last 3 months. I need the web system and cryptocurrency to develop. But also list it in coinmarketcap and in some exchange. Each cryptocurrency ...

    €4080 (Avg Bid)
    €4080 Gebot i.D.
    55 Angebote
    Rehive custome intergration 5 Tage left
    VERIFIZIERT

    Looking for a dev who can work with our present developers and successfully intergrate a few features from Rehive

    €481 (Avg Bid)
    €481 Gebot i.D.
    6 Angebote
    Blockchain Certificate System 4 Tage left
    VERIFIZIERT

    Hi, We are looking to build blockchain online certificates system, where school can load it and user can view it. Preferably, in Hyperledger Sawtooth or EVM+IPFS. Please share your past similar project example and estimated timeline & cost for this. Thanks.

    €1857 (Avg Bid)
    €1857 Gebot i.D.
    21 Angebote

    If someone has already developed Options Trading Mobile app similar to iqoptions, i will hire you immediately. Only with live demo of admin and user froentend. Thanks

    €30956 (Avg Bid)
    €30956 Gebot i.D.
    7 Angebote
    Crypto margins trading developer 4 Tage left
    VERIFIZIERT

    Looking for developer to developer crypto margins trading developer like [Zur Anzeige der URL Anmelden] more info in chat

    €34 / hr (Avg Bid)
    €34 / hr Gebot i.D.
    26 Angebote

    Looking for a Sr expert smart contract builder for the Hyper ledger blockchain. The project is to convert “PDF” contract 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 expert in Smart contract for hyper ledger blockchain

    €33 / hr (Avg Bid)
    €33 / hr Gebot i.D.
    32 Angebote

    The whole world needs a new economic platform which will allow everyone with a certain economic/financial footprint ( humans , animals , villages, families, towns, businesses etc...) to obtain what they really NEED ( food ,transportation, clothing, electronics, holidays , investment) in exchange for what they can OFFER in return ,based on their own individual situation. At the moment most of the ...

    €66742 (Avg Bid)
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    20 Angebote

    I need to build a peer-to-peer cryptocurrency exchange platform similar to [Zur Anzeige der URL Anmelden] which supports the major cryptocurrencies BTC, ETH, LTC, USDT and local currencies, the Electronic wallets, payment gateways, local banks. The platform is compatible with all mobile devices and the site interface is subject to change at my request. Please see the attached file upload request f...

    €2493 (Avg Bid)
    €2493 Gebot i.D.
    19 Angebote

    I would like you to create software for 2 coins. The website is dead now, but I have to use it. I want something that actually works the same way as the site. The software must be mathematically savvy and be familiar with bitcoin, blockchain and hashing. I don't mind taking a few days, so I want you to make it as cheap as possible. Thank you.

    €181 (Avg Bid)
    €181 Gebot i.D.
    5 Angebote

    Hiring for a developer to help us develop an application that works with ethereum smart contracts on the back-end / server side. The code will be responsible for executing commands and pulling down data / retrieving data. You will be asked to answer the following questions when submitting a proposal: Do you have any questions about the job description? Do you have suggestions to make this projec...

    €17 / hr (Avg Bid)
    €17 / hr Gebot i.D.
    10 Angebote

    Needs to hire 3 Freelancers Hiring for a developer to help us develop an application that works with ethereum smart contracts on the back-end / server side. The code will be responsible for executing commands and pulling down data / retrieving data. You will be asked to answer the following questions when submitting a proposal: Do you have any questions about the job description? Do you have su...

    €20 / hr (Avg Bid)
    €20 / hr Gebot i.D.
    4 Angebote

    Needs to hire 3 Freelancers Hiring for a developer to help us develop an application that works with ethereum smart contracts on the back-end / server side. The code will be responsible for executing commands and pulling down data / retrieving data, You will be asked to answer the following questions when submitting a proposal: Do you have any questions about the job description? Do you have su...

    €24 / hr (Avg Bid)
    €24 / hr Gebot i.D.
    2 Angebote

    I need to obtain a legally valid record of the content of a web page or portal. Cryptocurrency Proof of Content on the Web is an easier, safer and more economical way to collect procedural evidence with full legal validity. What are you doing? I need to make a complete copy of the content that is being viewed in your browser and generate a proven report to your presence. From the report created...

    €217 (Avg Bid)
    €217 Gebot i.D.
    7 Angebote
    Bitcoin Chain Analysis 3 Tage left
    VERIFIZIERT

    I'm searching someone who can track transactions and find the final destination address from an input address I provide. This requires serious chain analysis and is NOT done by simply looking up the tx id. Please only comment here if you're sure that you have the necessary skills to do this. The final pay will be discussed with you directly and is not necessarily reflected by the quote...

    €205 (Avg Bid)
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    Earn quick money -- 2 1 Tag left
    VERIFIZIERT

    i have project foe 2 hours in java (blockchain)

    €33 (Avg Bid)
    €33 Gebot i.D.
    5 Angebote

    Need to build a product verification application in hyperledger fabric

    €127 (Avg Bid)
    €127 Gebot i.D.
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    Python plus BlockChain Expert 1 Tag left
    VERIFIZIERT

    I need you to design a Chatting Web App.

    €206 (Avg Bid)
    €206 Gebot i.D.
    6 Angebote
    Hyperledger blockchain platform 1 Tag left
    VERIFIZIERT

    Hi, We need to deploy a hyperledger instance on either IBM cloud or AWS, build a certain architecture, then run some chaincodes. Please bid only if you have a deep experience and are very comfortable with hyperledger (fabric or sawtooth), docker containers, either AWS or IBM cloud and general blockchain concepts. This also will be a test milestone for other future milestones. Thanks a lot

    €591 (Avg Bid)
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    Ipfs ethereum dapp for ehr,need smarth contract

    €6 / hr (Avg Bid)
    €6 / hr Gebot i.D.
    8 Angebote

    I am currently looking for a consultant based in Georgia to provide local business services such as financial analysis, market reaearch and assessments. My client is providing global advisory on financial and business development internationally. The candidate will be responsible for the market penetration, business consultation and financial relations with potential clients. The person will be ex...

    €13 / hr (Avg Bid)
    €13 / hr Gebot i.D.
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    Blockchain expert in Unity3d for a simple work. Please Don't bid if you didn't work in Blockchain technology before.

    €284 (Avg Bid)
    €284 Gebot i.D.
    5 Angebote
    I need help Web3 Js for Ethereum 23 Stunden left
    VERIFIZIERT

    I am creating a system for sending eth one address to other's addresses it's working. I am facing issues when I need to send multiple address with the same tnx if you are an expert with this please replay to this post. if you have any questions just ask me. thanks

    €5 / hr (Avg Bid)
    €5 / hr Gebot i.D.
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    Looking for someone to help build a Telegram Trade Popper so my Crypto Trades automatically get entered into telegram. This is done by monitoring exchange accounts with API keys so that when an order is executed at an exchange, it automatically gets sent to a telegram channel. Prefered platform, PHP/Python, Mysql/MariaDB. Small project. If you've done crypto trading projects before, let...

    €263 (Avg Bid)
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    Нужна консультация специалиста по проекту блокчейн, холодный кошелек, знание беспроводных протоколов передачи данных, работа с токенами, консультация по организации разработки продукта.

    €41 / hr (Avg Bid)
    €41 / hr Gebot i.D.
    2 Angebote

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