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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! Palkkaa Cryptographers

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    14 työtä löytyi, hinnoittelu EUR

    In short: you know that moment when you want to encrypt your file, but want it to be totally safe and secure, and you come up with a total new, long and above all random password. Well I do the same for most of my stuff, until lastly: I was under huge time pressure and wanted everything to be secure, so I made a DMG-file on my MacBook and secured it. Several weeks later, when I wanted to re-use ...

    €505 (Avg Bid)
    €505 Keskimäär. tarjous
    6 tarjoukset
    Stellar Expert Blockchain 6 päivää left
    VARMENNETTU

    Looking for Stellar Blockchain expert programmer to work with Horizon API of stellar.

    €1192 (Avg Bid)
    €1192 Keskimäär. tarjous
    6 tarjoukset
    Blockchain Developer Wanted 6 päivää left
    VARMENNETTU

    Hello, We are looking for a senior block-chain developer with a proven track record and past successful blockchain developments. We need to build a platform where the tokens are used as shares in a fund and give holders some rights to vote. It can be on top of ETH or other protocols. Please send PROJECTS you've worked on (JUST RELATED TO BLOCKCHAIN) with your BID - Otherwise PLEASE DO NOT BI...

    €1757 (Avg Bid)
    €1757 Keskimäär. tarjous
    17 tarjoukset

    anyone familier with macos app signing for gate keeper. I have java .jar application and using install4j to build dmz file. asks for p12 file which i am giving by extracting from apple developer portal with the help of macos machine i.e macboook. still its not working neither jar nor dmz file is signed and install4j is complaining about password, which i am sure that password is right, have tried...

    €190 (Avg Bid)
    €190 Keskimäär. tarjous
    2 tarjoukset

    I want learn how to create a new (POS+MN) coin how to fork pivix or dash and make a new coin or you can say a how to create a duplicate coin ... # you use team viewer or any desk to learn me this

    €335 (Avg Bid)
    €335 Keskimäär. tarjous
    4 tarjoukset

    I'm looking for a well experienced ico consultant and advisor who must have good LinkedIn profile. Person with great business contacts or exchange contacts are preferred

    €348 (Avg Bid)
    €348 Keskimäär. tarjous
    4 tarjoukset
    Hashtopolis 3 päivää left
    VARMENNETTU

    Hi there, I need someone to practice Hashtopolis in GitHub for me I want to build mining machine with the help of it ( I want to build a rack of +100GPUs ) but first I need someone to do me the calculations . Your job as follows: Pick me the strongest hash in hashcat tool, calculate how fast I can crack the hash using Hashtopolis and having +100GPU ( lets say the I have the most powerful GPUs...

    €178 (Avg Bid)
    €178 Keskimäär. tarjous
    1 tarjoukset
    cryptocurrency game 3 päivää left

    We want to create an ethereum game and a coin to interact with the game. Can you do that? Do you have an example that we can see?

    €1381 (Avg Bid)
    €1381 Keskimäär. tarjous
    12 tarjoukset

    Modify cgminer or bfgminer driver file so it will work with FPGA mining hardware connected with USB-UART bridge. Bitstream is programmed on the SPI ROM in the FPGA miner. Mining bitcoin, and need to be connected to pool that works on stratum (supported with cgminer/bfgminer)

    €173 (Avg Bid)
    €173 Keskimäär. tarjous
    4 tarjoukset
    Chrome extension Huobi Fast Trade 2 päivää left
    VARMENNETTU

    Site: [kirjaudu nähdäksesi URL:n] Huobi Exchange I need people can work script/extensition can fast buy + Place Order (Limit, Market) Using for: + New/Prepare Listing Trade Coin + Actived Listing Trade Coin

    €9 - €36
    €9 - €36
    0 tarjoukset

    The aim of this task is not to cause any damage, rather demonstrate that 51% technique can be carried out on low hashing coins. The project involves carrying out a 51% technique on PoW. The URL below is exactly what to be done for this task and instructs how to carry out a 51% technique successfully. [kirjaudu nähdäksesi URL:n] Your job will be; 1. Go through the URL and understand...

    €39 (Avg Bid)
    €39 Keskimäär. tarjous
    2 tarjoukset

    I need a professional blockchain developer who can work with us on our blockchain based project/application, you must have a good LinkedIn profile. Any alumni of Stanford or havard University is preferred or a great work experience in company like IBM or so on is preferred.

    €577 (Avg Bid)
    €577 Keskimäär. tarjous
    5 tarjoukset

    Application Android Crypter une image et générer 10 clef de sécurité, et envoyer l'image crypté a 10 personne. Pour décrypte l'image, i faut que 5 personne sur 10 soient connecté entre eux par bluetooth.

    €232 (Avg Bid)
    €232 Keskimäär. tarjous
    6 tarjoukset
    Blockchain Security 51% Technique 1 tunti left
    VARMENNETTU

    The aim of this task is not to cause any damage, rather demonstrate that 51% technique can be carried out on low hashing coins. The project involves carrying out a 51% technique on PoW. The URL below instructs how to carry out the this technique successfully. [kirjaudu nähdäksesi URL:n] Your job will be; 1. Go through the url and understand what is expected. 2. Choose a low hashin...

    €24 (Avg Bid)
    €24 Keskimäär. tarjous
    4 tarjoukset