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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! จ้าง Cryptographers

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    Looking for a Blockchain expert 6 days left
    ยืนยันแล้ว

    I am looking for blockchain expert or team who has expertise in real asset based cryptocurrency. Requirements>> 1. Strong knowledge of tokenizing 2. Good understanding of real estate ecosystem

    $51 / hr (Avg Bid)
    $51 / hr การประมูลเฉลี่ย
    7 การประมูล
    $750 - $1500
    0 การประมูล
    BUS RACE GAME 6 days left

    I like to build a game with a chatroom where people talk to each other to play the game, the game will be a race between two buses that go through obstacles, the race will last 5 minutes and the winner will win coins that will be added to his profile. and the background will be Egyptian civilisation. Its only a game between two people, and the chatroom will be there so people can talk to chose w...

    $742 (Avg Bid)
    $742 การประมูลเฉลี่ย
    4 การประมูล
    Modify source code of current coin to create my own coin 6 days left
    ยืนยันแล้ว

    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 การประมูลเฉลี่ย
    11 การประมูล
    Checksum algoritm (8-bit) calculation 4 days left
    ยืนยันแล้ว

    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 การประมูลเฉลี่ย
    22 การประมูล

    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 การประมูลเฉลี่ย
    19 การประมูล

    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)
    $402 การประมูลเฉลี่ย
    10 การประมูล
    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 การประมูลเฉลี่ย
    40 การประมูล
    i need a cryptocurrency Developer 1 day left
    ยืนยันแล้ว

    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 การประมูลเฉลี่ย
    12 การประมูล
    $118 การประมูลเฉลี่ย
    15 การประมูล

    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)
    $368 การประมูลเฉลี่ย
    13 การประมูล

    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)
    $748 การประมูลเฉลี่ย
    25 การประมูล
    Finding the encryption key 3DES 4 hours left
    ยืนยันแล้ว

    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 การประมูลเฉลี่ย
    11 การประมูล
    Replace some parameters written with c++ 4 hours left
    ยืนยันแล้ว

    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)
    $189 การประมูลเฉลี่ย
    22 การประมูล