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! Найняти Cryptographers

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    28 робіт знайдено, ціни вказані в USD
    Crypto building 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Building crypto currency from scratch

    $10300 (Avg Bid)
    $10300 Сер. заявка
    11 заявки
    ETH Token Development 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    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

    $970 (Avg Bid)
    $970 Сер. заявка
    15 заявки

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

    $8250 (Avg Bid)
    $8250 Сер. заявка
    18 заявки

    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.

    $580 (Avg Bid)
    $580 Сер. заявка
    7 заявки
    Senior iOS developer 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    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.

    $488 (Avg Bid)
    $488 Сер. заявка
    8 заявки
    crypto money 6 дні(-в) left
    ПІДТВЕРДЖЕНО

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

    $831 (Avg Bid)
    $831 Сер. заявка
    22 заявки
    C++ Developer for AES256 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    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: [увійдіть, щоб побачити URL] - Pl...

    $123 (Avg Bid)
    $123 Сер. заявка
    17 заявки

    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...

    $2100 (Avg Bid)
    $2100 Сер. заявка
    5 заявки
    Цифровая подпись Delphi 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    Нужно разработать модуль на Delphi 2010 для цифровой подписи файла

    $250 (Avg Bid)
    $250 Сер. заявка
    1 заявки
    need a crypto wallet 5 дні(-в) left

    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)
    $1740 Сер. заявка
    8 заявки
    NFT and Cryptographic and Token/Coin Expert 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    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)
    $1270 Сер. заявка
    19 заявки
    I will need reverse-engineering for a 3mb javascript 4 дні(-в) left
    ПІДТВЕРДЖЕНО

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

    $50 (Avg Bid)
    $50 Сер. заявка
    1 заявки
    Live 3D NFT art 3 дні(-в) left
    ПІДТВЕРДЖЕНО

    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)
    $118 Сер. заявка
    6 заявки
    Simple Crypto Casino -- 2 2 дні(-в) left

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

    $20 (Avg Bid)
    $20 Сер. заявка
    3 заявки

    implementing ciphertext policy attribute based encryption on matlab programming language [увійдіть, щоб побачити URL] [увійдіть, щоб побачити URL]

    $173 (Avg Bid)
    $173 Сер. заявка
    9 заявки

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

    $148 (Avg Bid)
    $148 Сер. заявка
    6 заявки

    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)
    $705 Сер. заявка
    9 заявки
    Cryptocurrency Exchange Broker 2 дні(-в) left
    ПІДТВЕРДЖЕНО

    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

    $820 (Avg Bid)
    $820 Сер. заявка
    12 заявки
    Modern Cryptography -- 2 2 дні(-в) left
    ПІДТВЕРДЖЕНО

    Anyone willing to work in cryptography.

    $117 (Avg Bid)
    $117 Сер. заявка
    9 заявки
    Create a Token for NFT Project 1 день left
    ПІДТВЕРДЖЕНО

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

    $1324 (Avg Bid)
    $1324 Сер. заявка
    26 заявки

    More details will be shared with the preferred freelancer .

    $185 - $556
    Прихований
    $185 - $556
    1 заявки
    $28 Сер. заявка
    3 заявки

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

    $200 (Avg Bid)
    $200 Сер. заявка
    1 заявки

    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
    Прихований
    $15 - $25 / hr
    30 заявки
    Looking for senior developer in blockchain project 10 годин(-и) left
    ПІДТВЕРДЖЕНО

    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)
    Угода про нерозголошення
    $5064 Сер. заявка
    31 заявки
    crypto website -- 2 9 годин(-и) left
    ПІДТВЕРДЖЕНО

    hello hi i m interested in making similar site to [увійдіть, щоб побачити 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)
    $836 Сер. заявка
    23 заявки

    Title: Gopnik Bloc Chain of Artwork Manager Reports To: The Supreme (Team) Leader No one can overview in “OUR” communis...community. But you will report your duties to our Supreme Leader. Job Overview: Our factories run on the internet. Your position will be responsible for preserving our digital collection of MetaSlav NFTs. Some are minted, some are acquired by “different&rd...

    $50 / hr (Avg Bid)
    $50 / hr Сер. заявка
    4 заявки