Cryptography Jobs

Cryptography is the study of hiding information. It intersects the disciplines of engineering, computer science and mathematics. Cryptography is involved in securing passwords, access to sensitive material and to computer systems. If your business needs help with cryptography, you can hire freelance cryptography experts to fulfill your tasks. Start by posting your cryptography task today! Hire Cryptographers

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    29 jobs found, pricing in USD
    Trophy icon Smart Contracts - ETH 9 days left

    A FinTech is seeking a developer with Blockchain-crypto experience. - It's important that you have experience in developing tokens on the Ethereum blockchain.

    $500 (Avg Bid)
    Guaranteed
    $500
    1 entries
    Crypto building 6 days left
    VERIFIED

    Building crypto currency from scratch

    $10205 (Avg Bid)
    $10205 Avg Bid
    19 bids
    ETH Token Development 6 days left
    VERIFIED

    The project is aimed at creating new ETH Token with the following deliverables : 1- Token Development which include , the Deploy a new smart contract and it details including supply, enabling sending it, details, token transfer event, coin release. 2-Developing the white paper for the coin

    $921 (Avg Bid)
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    16 bids

    Build Digital Crypto Marketplace Website where seller can sell their digital products and buyer can buy products with Crypto Payments

    $8412 (Avg Bid)
    $8412 Avg Bid
    24 bids

    VERIFIED Looking for an experienced RUST Developer to create scripts on the Solana blockchain. Anyone who applies MUST have previous experience with Blockchain, Cryptocurrency and the Solana ecosystem and obviously Rust. The script will be interacting with the blockchains smart contracts and executing transactions.

    $757 (Avg Bid)
    $757 Avg Bid
    8 bids
    Senior iOS developer 6 days left
    VERIFIED

    Looking for a developer that can integrate BitGo backend to the existing app. you need to change some content and make a few UI. After integrating the backend, you have to implement notification using firebase. And then implement subscription and fee. The total budget is 350 USD. Apply for this job if you can this budget.

    $662 (Avg Bid)
    $662 Avg Bid
    11 bids
    crypto money 5 days left
    VERIFIED

    urgently need a young motivated to work on crypto currency,blockchain , trade and investment

    $831 (Avg Bid)
    $831 Avg Bid
    22 bids
    C++ Developer for AES256 5 days left
    VERIFIED

    I need a C++ developer with experience in the AES256 algorithm. Raw messages are encrypted py a python script and you may have to decrypt it by C++. Attached has the python script and a mockup C++ project on which I was working. Please update the C++ project(CLion is preferred) so that it can decrypt the message correctly. The following library should be used: [login to view URL] - Please writ...

    $123 (Avg Bid)
    $123 Avg Bid
    17 bids

    We need a contract for our game project on BEP20. It should be ready for PinkSale (whitelist and public). More info in the file. Feel free to contact us. Marketing wallet Buybacks wallet Staking function (send tokens to get more - some APR) NFT: ERC721 (One buy hero and he get ERC721 NFT. He can check what exactly the NFT he has via our marketplace) NFT Marketplace (website) Different function...

    $2250 (Avg Bid)
    $2250 Avg Bid
    6 bids

    Coin: BTC, ETH, USDT-ERC20, USDT-TRON, JADE-BSC we have to implement crypto ( Wallet and payment ) integration in e commerce website so need crypto wallet

    $1740 (Avg Bid)
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    8 bids

    I am looking for 1. Mint Day Countdown 2. All the same banners 3. The Mint Now Disable/ Enable Feature. 4. Text, logo, graphics Integartion. Other Features: 1. Frontend development with Phantom Wallet 2. Backend development for Solana 3. Minting 4. Pausing / Unpausing 5. Supply Management 6. Pricing Management 7. Receive payments from customer in Solana 8. On chain / Off Chain Metadata managemen...

    $1270 (Avg Bid)
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    19 bids

    Hello I will need someone to deob my js Budget: $50 USD

    $50 (Avg Bid)
    $50 Avg Bid
    1 bids
    Live 3D NFT art 3 days left
    VERIFIED

    I need a artist to help me to create live NFT art for resale! I have a few ideas like the one attached I need the coin to come alive and the bitcoin in the middle of the coin to move up and down!

    $118 (Avg Bid)
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    6 bids

    Simple crypto casino -- no accounts just pure address based. Only crash needed.

    $20 (Avg Bid)
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    3 bids

    implementing ciphertext policy attribute based encryption on matlab programming language [login to view URL] [login to view URL]

    $173 (Avg Bid)
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    9 bids

    1. create an account (only for new user ) : [login to view URL] 2. make a trade 3. send me sreenshot with username on message to get paid

    $148 (Avg Bid)
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    6 bids

    We want to build Namibia's first and only crypto currency exchange, staking platform and must be full compliant with the regulators. See attached documentation

    $868 (Avg Bid)
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    11 bids
    Modern Cryptography -- 2 1 day left
    VERIFIED

    Anyone willing to work in cryptography.

    $117 (Avg Bid)
    $117 Avg Bid
    9 bids

    We are looking for a Blockchain expert, that knows tokenomics really well for developing a NFT token

    $1324 (Avg Bid)
    $1324 Avg Bid
    26 bids

    More details will be shared with the preferred freelancer .

    $185 - $556
    Sealed
    $185 - $556
    1 bids

    I need someone expert in Cryptography

    $26 (Avg Bid)
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    4 bids

    i am having myetherwallet account i am trying to send token but its showing error - execution reverted please help

    $200 (Avg Bid)
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    1 bids

    We are looking for a Blockchain engineer who is experienced in creating/configuring smart contracts, specifically Staking, Yield Farming/Mining, Lending, borrowing, and NFT Protocols. We are a blockchain Analytics company and looking to bring onboard a talented and well experienced engineer.

    $15 - $25 / hr
    Sealed
    $15 - $25 / hr
    30 bids

    Our team looking for senior developer (tech lead) in crypto currency. We need to create project based on Dash project. Need to complete tasks, set technical tasks for developers, сonsulting programmers in the development process. It is obligatory to have technical means for communication every day (mirkophone, camera and so on).

    $5064 (Avg Bid)
    NDA
    $5064 Avg Bid
    31 bids
    crypto website -- 2 Ending left
    VERIFIED

    hello hi i m interested in making similar site to [login to view URL] it has paid to click ads , faucets lottery dice all automated and users get paid for actions , if you have made a similar site let me know

    $836 (Avg Bid)
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    23 bids
    BlockChain Expert 6 days left
    VERIFIED

    Подробности будут предоставлены элитному кандидату. Показать предыдущую историю работы для вас, чтобы быть предпочтительным.

    $2326 (Avg Bid)
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    13 bids

    Нужно разработать модуль на Delphi 2010 для цифровой подписи файла

    $250 (Avg Bid)
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    1 bids

    Crear una blockchain similar a binance donde se pueda comprar, vender en dólares , otras criptomonedas, igual que puedan entrar varios usuarios a la vez y guardar en sus billeteras.

    $705 (Avg Bid)
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    9 bids

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