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 仕事が見つかりました。次の価格: USD

    We are looking for a creative writer which can make amazing blog Posts and also website text in the cryptocurrency area. We are a cryptocurrency exchange which want to promote their services to the right target. Also writing about other listed coins is one of the tasks. Please send us your latest article for review.

    $21 / hr (Avg Bid)
    $21 / hr 平均入札額
    32 入札

    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.

    $805 (Avg Bid)
    $805 平均入札額
    6 入札

    We have a running DEX but on running market [ログインしてURLを表示] tech spec we want. Specifically we want to build a [ログインしてURLを表示] 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 resource are avialable on ...

    $1572 (Avg Bid)
    $1572 平均入札額
    21 入札

    Hello, I need to find someone who can create a decentralized trading platform based on the Tronx blockchain For example: [ログインしてURLを表示]

    $2444 (Avg Bid)
    $2444 平均入札額
    26 入札

    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.

    $693 (Avg Bid)
    $693 平均入札額
    10 入札

    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...

    $20 / hr (Avg Bid)
    $20 / hr 平均入札額
    25 入札

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

    $1704 (Avg Bid)
    $1704 平均入札額
    17 入札

    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...

    $1290 (Avg Bid)
    $1290 平均入札額
    65 入札

    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.

    $144 (Avg Bid)
    $144 平均入札額
    7 入札

    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...

    $198 (Avg Bid)
    $198 平均入札額
    11 入札

    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

    $1266 (Avg Bid)
    $1266 平均入札額
    16 入札

    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...

    $8 - $21
    $8 - $21
    0 入札
    i want a masternode software 4 日 left
    認証完了

    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.

    $516 (Avg Bid)
    $516 平均入札額
    20 入札

    We are looking for a blockexplorer similar to this [ログインしてURLを表示] There is open source code for this but needs a few ui changes [ログインしてURLを表示] [ログインしてURLを表示] Showing also network, top 100, api, movment.

    $181 (Avg Bid)
    $181 平均入札額
    9 入札

    We are looking for a developer with proven knowledge in the installation/setup of BITEXCHANGE ([ログインしてURLを表示]) / 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 module, Cold Wal...

    $208 (Avg Bid)
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    14 入札

    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

    $716 (Avg Bid)
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    23 入札

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

    $2659 (Avg Bid)
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    45 入札

    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 [ログインしてURLを表示], [ログインしてURLを表示] or [ログインしてURLを表示] including scanner with OCR backed to jobbing plateform like Upwork but only dedicated to mortgage brokers and banks. This operational set up have to be based on a private blockchain with smart ...

    $477 (Avg Bid)
    $477 平均入札額
    9 入札

    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.

    $40 (Avg Bid)
    $40 平均入札額
    3 入札

    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!

    $561 (Avg Bid)
    $561 平均入札額
    26 入札

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

    $193 / hr (Avg Bid)
    $193 / hr 平均入札額
    13 入札

    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

    $1828 (Avg Bid)
    $1828 平均入札額
    61 入札
    Cryptocurrency Exchange, Peatio 1 日 left
    認証完了

    Know [ログインしてURLを表示] , able to build this fast, setup server, security and maintenance.

    $1405 (Avg Bid)
    $1405 平均入札額
    34 入札

    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 -...

    $330 (Avg Bid)
    $330 平均入札額
    13 入札

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

    $974 (Avg Bid)
    $974 平均入札額
    25 入札

    some example [ログインしてURLを表示] Money Cube - PayPal Cash & Free Gift Cards [ログインしてURLを表示] [ログインしてURLを表示]

    $544 (Avg Bid)
    $544 平均入札額
    24 入札
    Build a CryptoCurrency Exchange. 17 日 left
    認証完了

    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...

    $6000 - $10000
    特集 シール
    $6000 - $10000
    96 入札

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