Criptografia 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! Contratar Cryptographers


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    41 trabalhos encontrados, preços em EUR
    web browser 6 dias left

    i'll be needing someone to create a web browser for windows, mac android and ios that fuctions just like cryptotab. Where users can download it and use it to mine monero while they get a certain percentage of their mine sent to their wallet

    €428 (Avg Bid)
    €428 Média
    1 ofertas
    Crypto wallet 6 dias left

    I would like to make a iOS and android crypto exchange wallet that look similar to the Image below and also hosts my coin. Please only apply if you have created something similar before

    €394 (Avg Bid)
    €394 Média
    19 ofertas
    Help Setting Up NFT 6 dias left

    Hey Freelancers, I'm looking for someone with background in creating NFT's. If you have experience creating NFT's, I want to hear from you. I am looking to build something similar to this link. So like baseball cards, but for a different product we sell. [fazer login para ver a URL]

    €9 / hr (Avg Bid)
    €9 / hr Média
    7 ofertas

    the project consist to check about the security of a static QR CODE (covid)

    €26 - €214
    €26 - €214
    0 ofertas

    We are re posting this project as previously deleted by mistake! What we looking for? *Website* in our domain +White paper +Road map +Up coming projects listed + our mission statement +Token contact +swap Tokens ( Mulitple tokens to be issued) ERC, BEP, BCP,BSC Initial starting tokens are 2 but rest listed as upcoming ! These tokens should be easily purchased and compatible with swap also inbu...

    €111 (Avg Bid)
    €111 Média
    3 ofertas
    Ethereum miner 6 dias left

    Looking for a skilled ethereum miner have a $75,000 set up ready to go Candidate must be based in the USA, priority given to Florida.

    €43 / hr (Avg Bid)
    €43 / hr Média
    5 ofertas

    Necesito un bot para operar en futuros de Binance. Tiene que estar programado en Python. Necesito que detecte señales de entrada en base a una estrategia. La orden tiene que ejecutarse con apalancamiento, con stop loss y trailing stop porcentuales. La estrategia tendrá una combinación de los indicadores RSI y bandas de Bollinger. Tiene que tener un modo de simulación y/...

    €304 (Avg Bid)
    €304 Média
    5 ofertas

    I sent some tokens from my SOL wallet to my USDC Wallet on Aldrin and am hoping someone can undo or retrieve my mistake as the balance isn't showing up.

    €98 (Avg Bid)
    €98 Média
    8 ofertas

    Buscamos un equipo de programadores blockchain para crear un juego nft, tenemos la idea, falta hacerlo todo desde 0

    €5359 (Avg Bid)
    €5359 Média
    9 ofertas

    Create Solana Smart Contract for NFT Collection - Create smart contract - Integrate button on our NFT landing page website linking to Phantom - Create the minting randomising We need somebody who can start immediately on this. We have the artwork ready to go.

    €1134 (Avg Bid)
    €1134 Média
    14 ofertas

    We are looking for a blockchain developer who has experiences in crypto wallet like metamask, connect wallet, dapper etc

    €150 (Avg Bid)
    €150 Média
    25 ofertas
    ABCO Token 4 dias left

    Our token, ABCO, is the native token of AutoBitco Peer to Peer Trading Platform designed to ease BTC and USDT trading. We offer Escrow Protected Transactions and built in Encrypted Messaging The easiest and most efficient way for wholesale and retail users to fulfill their crypto needs. If you would like to know more about our project please check out our website [fazer login para ver a URL]

    €15 / hr (Avg Bid)
    €15 / hr Média
    4 ofertas
    iOS/Swift Expert -- 2 4 dias left

    Looking for a developer that can integrate backend to the existing app. you need to change some content and make a few UIs. After integrating the backend, you have to implement notification using firebase. And then implement subscription and fee. To select the correct candidate, you have to make some features for the app in few hours.

    €600 (Avg Bid)
    €600 Média
    34 ofertas
    Digital Forensics -- 3 4 dias left

    Looking for help in - Digital Forensics Evidence Legal issues Forensic Reports

    €156 (Avg Bid)
    €156 Média
    7 ofertas

    1. Proof of Concept - Prove that Powershell can be used to Authenticate to KuCoin and get a few details of a coin. If successfully 2. Production Functions 3. Trading Script utilizing Prod Functions POC 1 day 1-2 weeks to complete see attachment

    €199 (Avg Bid)
    €199 Média
    3 ofertas

    I am looking for a blockchain developer who has experiences in crypto wallet

    €21 / hr (Avg Bid)
    €21 / hr Média
    7 ofertas

    need telegram sticker pack for lady floki. It will be a feminine version of floki (cryptocurrency).

    €12 (Avg Bid)
    €12 Média
    9 ofertas

    We have a project which has incurred some hick ups from sending the 'send coin' signal from wallet to wallet - we require experienced block chain developer to troubleshoot the issue and help us re-connect. Need to hire someone ASAP

    €14 / hr (Avg Bid)
    €14 / hr Média
    18 ofertas
    List my ico 4 dias left

    I need a professional that can list my coin on coingecko and coinstats

    €9 - €26
    €9 - €26
    0 ofertas
    PanCakeSwap fork -- 2 3 dias left

    I have already created PanCakeSwap fork. Need to fix some details, make presale contract and integrate it, host it. React.js

    €120 (Avg Bid)
    €120 Média
    2 ofertas
    Full on pinksale crypto launch 3 dias left

    Hi everyone, I am interested in creating a professional and legitimate crypto project on binance smart chain using pinksale (or any other platform). I would love to find a team that have experience from A to Z on crypto creation. This would include: Full set up for presale on Pinksale (or another platform) Assistant for launching on pancakeswap Development of crypto web page - At launch, I ...

    €4206 (Avg Bid)
    €4206 Média
    18 ofertas

    We launched our play-to-earn crypto gaming project a month ago, we need an expert to help get us trending on DexTools... We will be able to get it trending by sending massive traffic volume to our DexTools chart link We are searching for someone who will be able to manufacture massive amounts of traffic to get us into the top 10! This will be ongoing work and we will be doing it on and off (whe...

    €2183 (Avg Bid)
    €2183 Média
    11 ofertas

    I’m looking for someone that create a Bitcoin wallet app that support debit or pre paid card

    €298 (Avg Bid)
    €298 Média
    6 ofertas

    Validate multiple algorithms for IoTs application and Fog computing by simulation using MATLAB and network simulation tools.

    €157 (Avg Bid)
    €157 Média
    10 ofertas
    Bitcoin Specialist 19 horas left

    We are looking for guest post writers for publishing posts on TOP-TIER SITES like but not limited to Forbes, Marketwatch, Wsj, Bloomberg, Reuters, Cointelegraph, Coindesk, etc. We will be looking for long term opportunities with the candidates who are qualified with their writing and posting credibilities.

    €2046 (Avg Bid)
    €2046 Média
    10 ofertas
    ecourse trading 13 horas left

    i need a crypto trader who has experience in trading, to develop me a video tutorial course, a step by step guide for beginners into crypto trading how to trade in crypto. 1. Terminology 2. fundamental of trading 3. stop losses and profits 4. scaling 5. trading analysis 6. backtesting, Forecast, Jouranling 7. what site to use 8. start with a dummy account, and how 9. understanding the pl...

    €1273 (Avg Bid)
    €1273 Média
    5 ofertas
    Bscscan dextools Encerrado left

    Neee help updating token socials on [fazer login para ver a URL]

    €34 / hr (Avg Bid)
    €34 / hr Média
    6 ofertas
    Trophy icon Smart Contracts - ETH 2 dias 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.

    €428 (Avg Bid)
    2 inscrições
    Crypto building Encerrado left

    Building crypto currency from scratch

    €8899 (Avg Bid)
    €8899 Média
    26 ofertas
    ETH Token Development Encerrado left

    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

    €720 (Avg Bid)
    €720 Média
    18 ofertas

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

    €7223 (Avg Bid)
    €7223 Média
    26 ofertas

    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.

    €648 (Avg Bid)
    €648 Média
    8 ofertas
    Senior iOS developer Encerrado left

    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.

    €567 (Avg Bid)
    €567 Média
    11 ofertas
    crypto money Encerrado left

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

    €711 (Avg Bid)
    €711 Média
    23 ofertas
    C++ Developer for AES256 Encerrado left

    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: [fazer login para ver a URL] - Pl...

    €105 (Avg Bid)
    €105 Média
    17 ofertas

    Нужно разработать модуль на Delphi 2010 для цифровой подписи файла

    €214 (Avg Bid)
    €214 Média
    1 ofertas
    need a crypto wallet Encerrado 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

    €1489 (Avg Bid)
    €1489 Média
    8 ofertas

    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...

    €1087 (Avg Bid)
    €1087 Média
    19 ofertas

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

    €43 (Avg Bid)
    €43 Média
    3 ofertas