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! Нанять Cryptographers


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    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.

    $500 (Avg Bid)
    $500 Ср. заявка
    8 заявок(-ки)
    Cryptocurrency Exchange Broker 6 дней(-я) left

    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

    $466 (Avg Bid)
    $466 Ср. заявка
    6 заявок(-ки)
    Modern Cryptography -- 2 6 дней(-я) left

    Anyone willing to work in cryptography.

    $114 (Avg Bid)
    $114 Ср. заявка
    8 заявок(-ки)
    Create a Token for NFT Project 6 дней(-я) left

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

    $1322 (Avg Bid)
    $1322 Ср. заявка
    23 заявок(-ки)

    More details will be shared with the preferred freelancer .

    $185 - $556
    $185 - $556
    1 заявок(-ки)
    $30 Ср. заявка
    1 заявок(-ки)

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

    $200 (Avg Bid)
    $200 Ср. заявка
    1 заявок(-ки)

    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
    $15 - $25 / hr
    27 заявок(-ки)
    Looking for senior developer in blockchain project 4 дней(-я) left

    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).

    $5009 (Avg Bid)
    Соглашение о неразглашении
    $5009 Ср. заявка
    31 заявок(-ки)
    crypto website -- 2 4 дней(-я) left

    hello hi i m interested in making similar site to [войдите, чтобы посмотреть 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

    $755 (Avg Bid)
    $755 Ср. заявка
    22 заявок(-ки)

    Title: Gopnik Bloc Chain of Artwork Manager Reports To: The Supreme (Team) Leader No one can overview in “OUR” 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 Ср. заявка
    4 заявок(-ки)
    Simple Crypto Casino 4 дней(-я) left

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

    $20 (Avg Bid)
    $20 Ср. заявка
    5 заявок(-ки)

    Crypto wallet app (iOS& Android) for our project (BSC, ERC and BTC) MAX 1000€

    $1448 (Avg Bid)
    $1448 Ср. заявка
    33 заявок(-ки)
    Cryptocurrency Cold card industrial product design 4 дней(-я) left

    Hi, I want a cold card design for bitcoin and cryptocurrencies. I have few examples for inspo. I want a simple and futuristic design. Here are some examples of other cold card

    $874 (Avg Bid)
    $874 Ср. заявка
    24 заявок(-ки)
    Build me a crypto currency trading site. 3 дней(-я) left

    To builds a crypto currency site with compactible API with other crypto sites that will have members dashboard. Automated withdrawal , Deposit.

    $1360 (Avg Bid)
    $1360 Ср. заявка
    28 заявок(-ки)
    AirdropCryptoPricingWebsite 3 дней(-я) left

    There is my crypto Airdrop Channel On telegram .so basically I want to make a airdrop pricing site . Were I will tell how much I will take for promotion and airdrop bot making . There is small example I will give as attachment and a unique design also I will give. So when. User press on buy on button they will redirect to paymnet gateway and they can pay in listed crypto and it will be deposite...

    $25 (Avg Bid)
    $25 Ср. заявка
    2 заявок(-ки)
    CTO Crypto Project 3 дней(-я) left

    Hello, My name is Ryan and right now , I’m looking for an outstanding CHIEF TECHNOLOGY OFFICER who shares our vision and ambition to join our new crypto venture. We strongly believe we have an amazing project and we're ready to take over the crypto space with a brilliant team. 

I’d like to show you our lite paper because I’m pretty sure anyone in the crypto space would ...

    $50384 (Avg Bid)
    $50384 Ср. заявка
    13 заявок(-ки)
    Cryptocurrency Specialist 2 дней(-я) left

    We are a worldwide company looking for an experienced cryptocurrency analyst. Our foundation will provide legal and medical assistance to the population and help mitigate Covid-19 consequences; In such a way that the people can return to Normal Life. Currently, we are looking for an experienced cryptocurrency analyst to start as a freelancer with ample opportunity to evolve into a Cryptocurrency S...

    $2553 (Avg Bid)
    $2553 Ср. заявка
    13 заявок(-ки)
    Creacion y listado de Token 2 дней(-я) left

    Buenas tardes, estoy buscando un experto en creacion de Tokens para llevar adelante un proyecto.

    $751 (Avg Bid)
    $751 Ср. заявка
    11 заявок(-ки)

    Phishing attack is a simplest way to obtain sensitive information from innocent users. Aim of the phishers is to acquire critical information like username, password and bank account details. Cybersecurity persons are now looking for trustworthy and steady detection techniques for phishing websites detection. This paper deals with machine learning technology for detection of phishing URLs by extr...

    $586 (Avg Bid)
    $586 Ср. заявка
    16 заявок(-ки)
    Crypto Website 2 дней(-я) left

    I need to create crypto website like as [войдите, чтобы посмотреть URL] and coinbase. Users will need to deposit money own account with paypal or Internatioal wire(SWIFT). Can you do that?

    $644 (Avg Bid)
    $644 Ср. заявка
    24 заявок(-ки)
    Senior Mobile developer - Swift app 1 день left

    Looking for a senior developer that has experience in cryptocurrency and mobile development. - integration bakend api to app - notifications using firebase - subscriptions and fees After the backend is ready, you should integrate the backend into the app. The budget is 300 USD. If you can, you should put "I'm Swift Expert" on the top of your bidding.

    $696 (Avg Bid)
    $696 Ср. заявка
    8 заявок(-ки)

    We have a year-long ICO and are currently into Pre Sale Stage 1 Looking to promote our Crypto Pre Sales and ICO in Russia Before applying to this job please understand the company and concept well. [войдите, чтобы посмотреть URL] Kindly inbox us your marketing proposals along with your relevant portfolio. Experience candidates will be preferred.

    $1600 (Avg Bid)
    $1600 Ср. заявка
    2 заявок(-ки)
    C, cryptography, OpenSSL, Perl project 19 часов(-а) left

    I am looking for some one who has very good experience in c, cryptography, OpenSSL and Perl. That person should be ready to work remotely in my laptop for around 3 to 4 hours a day. This will be a long term project like 6 months or so.

    $19 / hr (Avg Bid)
    $19 / hr Ср. заявка
    8 заявок(-ки)
    NFT project - Discord Server - Shiller (Promoter) required 17 часов(-а) left

    I'm launching an NFT project in a months time (13th November). Our Discord is set up and now just need some shillers to promote it. You will use a bespoke invite link that will show how many users you have successfully brought into the group on Discord and you'll be paid on the amount of successful members you get through on your link. There is a verification process set up on our Di...

    $182 (Avg Bid)
    $182 Ср. заявка
    11 заявок(-ки)
    SDK bridge to DAPP 12 часов(-а) left

    Hello Legends, we are looking to make an ecosystem where current games with traditional architecture can be published on our platform in a decentralised way (dapp) partially or completely. We a looking for talented game and blockchain game developer to join our team to create this amazing project. Skills needed Expert SDK knowledge and experience blockchain SDK Blockchain gaming DAPP NFT

    $28 / hr (Avg Bid)
    $28 / hr Ср. заявка
    17 заявок(-ки)
    improve any cryptographic algorithms time in cloud 10 часов(-а) left

    Hi, i would like to get help in improve any cryptographic algorithms time in cloud computing, main goal is to improve the time of full process (encryption + uploading to cloud). please contact me for more info.

    $845 (Avg Bid)
    $845 Ср. заявка
    6 заявок(-ки)

    I am Benjamin Brown I am software Project Outsourcing Expert from USA; we have below requirements for or reputed European client, I am looking software development company for our below projects. I am looking for a developer who can develop the BITCOIN, Software in main network (windows based, preferably windows 10), the requirements are mentioned below, WE REQUIRED BELOW FEATURES IN SOFTWARE 1)...

    min $50 / hr
    min $50 / hr
    0 заявок(-ки)