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! Angajează Cryptographers

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    I need to make a new coin using open source of current one, before you bid note you should have experience in fork POS coins before and make everything work probable, contact me for all coin specifications. Please bid within my budget...

    $699 (Avg Bid)
    $699 Oferta medie
    11 oferte

    D0 in the 11-bit vehicle CAN message is a checksum, need to find the mathematical relation between the other data byte values to be able to manipulate and send out the new values, with a correct checksum. Some sample data (in hex): 9F 70 FC 70 FC 0D 0F 00, A9 7A FC 70 FC 0D 0F 00, AA 7B FC 70 FC 0D 0F 00, AB 7C FC 70 FC 0D 0F 00, AB 7C FC 70 FC 0D 0F 00, 0D 7D FC 70 FC 0D 0F 60, 0E 7E FC 70 FC 0D...

    $449 (Avg Bid)
    $449 Oferta medie
    22 oferte

    Hello Everyone!!! This will be a unique and successful platform. The business strategy and what we are offering is one of kind. It will be one of top 10 Crypto-Currency entities the world. If you're looking for long term then stop and bid because this is for you, this once in a life time opportunity...DO NOT MISS IT!!! Languages Required: (PHP / BootStrap / MySQL / HTML5 / CSS3). Requireme...

    $469 (Avg Bid)
    $469 Oferta medie
    19 oferte

    I want one Uni level Mlm Based Plan with payment mode in cryptocurrency ( btc, eth, bch, xrp and other top 10 altcoins). User & Admin Dashboard 3 income - Daily profit, Direct referral commission & team revenue sharing. 20 level plan Max 7 days.

    $402 (Avg Bid)
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    10 oferte
    EXCHANGE SITE 2 days left

    Hi, I'm looking for an exchange website with all the features of sites like binance, bitrex, ready to customize and put in my project in motion.

    $1654 (Avg Bid)
    $1654 Oferta medie
    40 oferte

    I need A Cryptocurrency Wallet App developer to fix my wallet The biggest issue we are seeing right now is that the client will not stay connected to the server. It connects then immediately disconnects with no errors from the client or the server. The server is at the correct block height and seems to talk to the core node just fine Outside of that it needs to be upadated to support the fork at...

    $2186 (Avg Bid)
    $2186 Oferta medie
    12 oferte

    Need an expert from the filed assiting with securities of CSS, CTR mode, CBC mode, ECB mode, AES-128, hash function with 256-bit

    $118 (Avg Bid)
    $118 Oferta medie
    15 oferte

    Hello, I am looking for a programmer to create and secure ERC20 token. I am creating an ICO, where tokens will be backed by real estate projects in Central Europe and holders of those tokens will receive profit share in ETH. Thank you, Jiří Cipín

    $368 (Avg Bid)
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    13 oferte

    Hello, I am looking for an experienced ICO advisor and ICO Manager. I am looking to open a revolutionary Crypto Currency Exchange and wallet service platform. There will be an ICO for Utilty token that will be used on the platform. This will be different and will succeed based on what we are offering. Kindly contact me so we can discuss this. Thank you.

    $748 (Avg Bid)
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    Finding the encryption key 3DES 8 hours left
    VERIFICAT

    Let's say if key1 is 64bits and key 2 is also 64bit and key3 = key1 need you to find key1 and key 2 given plaintext and ciphertext So I have set up values problem and you will need to find the key

    $892 (Avg Bid)
    $892 Oferta medie
    11 oferte

    I need to replace old parameters to new one written with c++, in source code of the current working coin,the replace parameters such as and not limited to: Name, total supply (number of coin), prefix, block time, wallet, ……. pre-mined coin (total number of coins ). i expect to receive: New files with new parameters, work fine without any issue with it's all functions.

    $189 (Avg Bid)
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    22 oferte