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! Embaucher des Cryptographers

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    22 travaux trouvés au tarif de EUR

    Hi I need to be listed in 1 preferably 2 exchanges for my coin (not token) and would like to be listed in one from the list here: [se connecter pour voir l'URL] if possible and without listing fee. Can you help with this?

    €188 (Avg Bid)
    €188 Offre moyenne
    5 offres

    need someone who can do complete my one subject with A grade

    €147 (Avg Bid)
    €147 Offre moyenne
    9 offres

    i wanna know more about messeging apps and how they work. how they maintained what staff personal and what are the statics. and how data is managed.

    €215 (Avg Bid)
    €215 Offre moyenne
    2 offres

    I need someone that is experienced in Block chain development Cryptocurrency development for payment platform

    €1064 (Avg Bid)
    €1064 Offre moyenne
    20 offres
    digital signature with LTV 6 jours left
    VERIFIÉ

    We are looking for a java developer who worked with DSS and Digital signatures for PDF. knows about LTV, and AATL.

    €123 (Avg Bid)
    €123 Offre moyenne
    4 offres

    !! READ the REQUIREMENTS before you knock !! 1. You are expected to have good knowledge on areas such as; blockchain attacks/crypto-threats/solidity/Smart-contract/Hash-Algorithms/51% attacks/Sybil attack/. 2. You will need to figure out a security issue in the blockchain network. We can help you with that. Some issues can be 51% attack, Sybil attack, BGP Hijacking, Eclipse attack, Smart Contr...

    €8 / hr (Avg Bid)
    €8 / hr Offre moyenne
    4 offres

    Hello, everyone. i need experienced & kind dev who can solve my simple issue. i have made new cryptocurrency and all is okay. But my issue is to premine & mine & staking my coin. This is very easy for experienced guy, very simple issue - maybe setting issue. I will discuss detail with winner guy. my $kype = live:rjh917

    €22 (Avg Bid)
    €22 Offre moyenne
    1 offres

    !! READ the REQUIREMENTS before you knock !! You are expected to have good knowledge on areas such as; blockchain attacks/crypto-threats/solidity/Hyperledger/Smart-contract/Hash-Algorithms/51% attacks/Sybil attack/. You will be provided with any online books/Journals/articles that you will ask for regardless of how expensive they are. Programming skills required and essential. Your task ...

    €6 / hr (Avg Bid)
    €6 / hr Offre moyenne
    4 offres

    I want you to compile new coin for me with  Explorer Windows and linux wallet Minning pool.. drop me an example of coin you have [se connecter pour voir l'URL]

    €190 (Avg Bid)
    €190 Offre moyenne
    4 offres
    Create new version of at code 4 jours left
    VERIFIÉ

    I want a new version of a qr code created to store more information. I want either more modules or more colours. Maybe black, white, grey, blue, green and red as an option or other option is for more modules so instead of 144x144 it can be like 555x555. I will also need to know how much data can be store in the code and how many kB the wr image itself will be

    €59 (Avg Bid)
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    5 offres

    If you know any exchange that reports to CMC and you can get a cheap listing as we are launching a Token now. Please you can bid let's discuss.

    €212 (Avg Bid)
    €212 Offre moyenne
    2 offres

    Simple secure web wallet required for new dash fork

    €266 (Avg Bid)
    €266 Offre moyenne
    18 offres
    Build a crypto currency 3 jours left
    VERIFIÉ

    HI, i looking for a programmer with skills and experience in build a crypto currency

    €493 (Avg Bid)
    €493 Offre moyenne
    9 offres

    Dear Sir/Madame Dero is the first crypto project to combine a Proof of Work blockchain with a DAG block structure and wholly anonymous transactions. The fully distributed ledger processes transactions with a twelve-second average block time and is secure against majority hashrate attacks. Dero will be the first CryptoNote blockchain to have smart contracts on its native chain without any extra la...

    €5047 (Avg Bid)
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    14 offres

    We are looking for partners/investors for a Cryptocurrency project that already running. Our project will have different alt projects ro partners/investors will take part in this projects and be lifetime in admin team. Payment will be done to freelancers based on the partners/investors that they find. We dont have anytime to spend for chit chat. So please bid only if you can handle the project.

    €1097 (Avg Bid)
    €1097 Offre moyenne
    5 offres

    Hello! Please be sure you read this prior to contacting or placing a bid so you know exactly what I am looking for. Thank you! The details for this project are as follows: I need a lightweight multi currency wallet. This wallet will NOT have to download the entire chain for all the currencies in this wallet. This wallet will run on Windows 7 and up. The user should be able to switch between t...

    €1926 (Avg Bid)
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    21 offres

    Need to develop a Crypto Currency exchange Similar to Binance. Please only beed who worked on Blockchain and Crypto Currency Exchange development.

    €16208 (Avg Bid)
    €16208 Offre moyenne
    32 offres

    Looking for Multi Crypto Currency Exchange like Binance.

    €597 (Avg Bid)
    €597 Offre moyenne
    12 offres

    Use the home page like [se connecter pour voir l'URL] I will purchase this wordpress theme I have someone working in PHP on news aggregator page so we have to make sure this work and his work are integarated in the site and cross linked We need to fill and future import all listings from [se connecter pour voir l'URL] [se connecter pour voir l'URL] ...

    €270 (Avg Bid)
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    17 offres

    Парсер должен сделать таблицы входящих и исходящих транзакций с номерами кошельков по каждому dat-файлу (wallet Bitcoin Core). >> Номер блока; Дата блока; Номер транзакции; Кошелек; Сумма << Оптимизирован по скорости работы (возможно с автораспределением парсинга на сеть компьютеров). парсер нужен на С/С++, VS2017 --- В своей заявке укажите пожалуйста время за которое ваш парсер обраб...

    €127 (Avg Bid)
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    4 offres

    I want to make a simulation for IoT devices as I want to check different IoT devices in terms of processor and memory, and monitor sending the data through the cloud computing and fog computing. Also, the performance of both if we apply cryptography algorithms as will it be affected or not. Cloud computing and fog computing simulation should be done through "MATLAB" after that IoT device...

    €584 (Avg Bid)
    €584 Offre moyenne
    5 offres

    I want to make a simulation for IoT devices as I want to check different IoT devices in terms of processor and memory, and monitor sending the data through the cloud computing and fog computing. Also, the performance of both if we apply cryptography algorithms as will it be affected or not. Cloud computing and fog computing simulation should be done through "MATLAB" after that IoT device...

    €487 (Avg Bid)
    €487 Offre moyenne
    6 offres