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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    27 Gefundene Jobs, Preise in EUR

    Hello, I need to find someone who can create a decentralized trading platform based on the Tronx blockchain For example: [Zur Anzeige der URL Anmelden]

    €2099 (Avg Bid)
    €2099 Gebot i.D.
    21 Angebote

    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.

    €612 (Avg Bid)
    €612 Gebot i.D.
    10 Angebote

    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...

    €18 / hr (Avg Bid)
    €18 / hr Gebot i.D.
    23 Angebote

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

    €1565 (Avg Bid)
    €1565 Gebot i.D.
    15 Angebote

    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...

    €1131 (Avg Bid)
    €1131 Gebot i.D.
    59 Angebote

    We need a tipbot for our crypto currency project Ron Paul Coin which was launched in 2013. The tipbot can be cloned from other open source projects in the crypto community. It is a requirement that the tipbot works on twitter, and a bonus if it also works on platforms such as reddit. Although not essential.

    €375 (Avg Bid)
    €375 Gebot i.D.
    10 Angebote

    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.

    €126 (Avg Bid)
    €126 Gebot i.D.
    6 Angebote

    hi I'm Faten I'm senior student CIS major I work on my senior project and I need a lot of help and someone have good experience in python and blockchain concept. the idea of my project is too simple I have already the most of important part of the code but just o want to add more features to the project. the project needs to build: - 2 web GUI and connect to the blockchain - generates...

    €173 (Avg Bid)
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    10 Angebote

    i am looking to customize peatio so that orders are settled onchain after trade has occurred with something like lamden clove , and deploy to AWS . the finished product will be a DEX

    €1117 (Avg Bid)
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    16 Angebote

    Basic Simulation of Private Block-chain Environment. Concurrency & bitcoin not required. Simulate the basic definition of block-chain. Growing list of records, called blocks, which are linked using cryptography. Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data. (an open, distributed ledger concept.) You may provide me already available implement...

    €37 (Avg Bid)
    €37 Gebot i.D.
    1 Angebote
    i want a masternode software 4 Tage left
    VERIFIZIERT

    I need an expert to develop a masternode software for me. I would like this software to be developed for Windows using Java or any other compatible programming language. software features include coin, masternode, and staking. Interested developer is required to be well experienced in crypto-currency, masternode and blockchain technology in general.

    €432 (Avg Bid)
    €432 Gebot i.D.
    18 Angebote

    We are looking for a blockexplorer similar to this [Zur Anzeige der URL Anmelden] There is open source code for this but needs a few ui changes [Zur Anzeige der URL Anmelden] [Zur Anzeige der URL Anmelden] Showing also network, top 100, api, movment.

    €160 (Avg Bid)
    €160 Gebot i.D.
    9 Angebote

    We are looking for a developer with proven knowledge in the installation/setup of BITEXCHANGE ([Zur Anzeige der URL Anmelden]) / crypto exchange The exchange script is installed, but we need some changes done, and hopefully have a long term relationship with a development team. If the work is satisfactory , we will continue with additional jobs for ERC-20 token integration, liquidity management ...

    €183 (Avg Bid)
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    14 Angebote

    I am located in the United States. We have many regulations that make it difficult to do an ICO. Looking to establish an ICO from a cryptocurrency friendly Country. Helpful if you have experience marketing cryptocurrency ICO"s

    €632 (Avg Bid)
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    23 Angebote

    We are looking for blockchain developers to help us build or fork a blockchain for our new project.

    €2366 (Avg Bid)
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    45 Angebote

    We need to build a one stop shop of real estate with a decentralized storage (in order to allow users to upload all documents required to set up a loan) like [Zur Anzeige der URL Anmelden], [Zur Anzeige der URL Anmelden] or [Zur Anzeige der URL Anmelden] including scanner with OCR backed to jobbing plateform like Upwork but only dedicated to mortgage brokers and banks. This operational set up have...

    €412 (Avg Bid)
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    8 Angebote

    I need to create multiple address on myetherwallet via automation. I need it to be done today. If you can't finish in next few hours, please don't post.

    €35 (Avg Bid)
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    3 Angebote

    I have a very simple and basic car game where people can upgrade cars by paying in $. I would like to replace this payment method with crypto. Please PM and I will send more details. Thanks!

    €495 (Avg Bid)
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    26 Angebote

    Need consultation on blockchain project that I have. Contact me for more details.

    €171 / hr (Avg Bid)
    €171 / hr Gebot i.D.
    13 Angebote

    1) Must need to build new blockchain - probably ERC-20 token or coin - must be based on proof-of-work (mineable) 2) Hybrid app is needed 3) Website update based on this must be done

    €1613 (Avg Bid)
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    61 Angebote
    Cryptocurrency Exchange, Peatio 2 Tage left
    VERIFIZIERT

    Know [Zur Anzeige der URL Anmelden] , able to build this fast, setup server, security and maintenance.

    €1251 (Avg Bid)
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    33 Angebote

    Hi, We are looking for Blockchain Expert - Developer to prepare Use Case document , Presentation and Proof-of-concept for one of our client in HyperLedger or any other blockchain technology. We are at present looking for following deliverables : - Discuss and understand our requirements. - Suggest best Blockchain Technology for our USE Case scenario. - Prepare high level Use Case document -...

    €291 (Avg Bid)
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    13 Angebote

    I need a new website. I need you to design and build my online store.

    €859 (Avg Bid)
    €859 Gebot i.D.
    25 Angebote

    some example [Zur Anzeige der URL Anmelden] Money Cube - PayPal Cash & Free Gift Cards [Zur Anzeige der URL Anmelden] [Zur Anzeige der URL Anmelden]

    €480 (Avg Bid)
    €480 Gebot i.D.
    24 Angebote

    We want to integrate blockchain send money to make automatic payment to our users we want script in php to do it. only bid if you have experience.

    €211 (Avg Bid)
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    10 Angebote

    Hi we need a decentralized exchange smart contract built. We also need some customization's which would be above any average solidity developers skill set. We would like someone who has worked on decentralized exchanges, or smart contract development with references to their code. Please ensure when you bid to add that.

    €1096 (Avg Bid)
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    38 Angebote
    Build a CryptoCurrency Exchange. 18 Tage left
    VERIFIZIERT

    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...

    €5295 - €8825
    Featured Versiegelt
    €5295 - €8825
    94 Angebote

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