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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    Hi, We are looking for an experienced NODE.JS developer who also understand encryption and cryptography. We need to build a digital signed service instead of using third party like hellosign etc.. Must do a POC to test the concept (paid task) The poc is to take a PDF file, and then using node.js libs digitally signed it,once ready, we will have to open it in acrobat reader and see that the signatu...

    $1300 (Avg Bid)
    $1300 Oferta medie
    17 oferte
    ICO whitepaper writing 6 zile left
    VERIFICAT

    I need someone to write White paper for my upcoming Decentralized news Platform which consume Blockchain technology to Broadcast and censor news items through Smart Contracts.

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

    we need a blockchain developer to fix an issue in our network. What should be fixed: - Unstable Network  - Upgrade Coin Wallets ( this mean upgrade servers and explorer and everything connected with our coin node ) We are looking for a long-term relationship, when everything is done!

    $157 (Avg Bid)
    $157 Oferta medie
    7 oferte

    The application should use openssl libraries. The user upload a file to encrypt/decrypt. The application can show the performance/metrics of encryption like time and memory. The user can select the different algorithm and mode on the application.

    $172 (Avg Bid)
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    9 oferte

    We are looking for someone that can do a full wallet re-design of a qt wallet to look something similar to the below. It should be done asap and also requires skills to be able to add a real-time graph like the example that will be getting the price of the coin and an option to see how much your coins were worth over a certain period of time. [conectează-te pentru a consulta linkul URL]

    $189 (Avg Bid)
    $189 Oferta medie
    8 oferte

    Just quite a simple task. The problem is I need to implement it with segwit to receive coin. The wallet can't receive coin ( not showing up in wallet for incoming coin ) but shows up in blockchain. Once you are done fixing, you will send me apk file to testnet before sending me the source code.

    $184 (Avg Bid)
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    22 oferte

    my smart contract that is already deployed,so it can not be modified, now i want someone who is experience that could duplicate it but has to change transaction addresses. please bid if you can do this.

    $888 (Avg Bid)
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    1 oferte

    I am more into crypto and developed an ecomerce store and had a coin developed from a dev before. I want to integrate that coin with my ecommerce store, I know basic knowlege but want to learn more technically in detail. Looking forward for a good teach in crypto. Thank you

    $616 (Avg Bid)
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    5 oferte
    cryptography project -- 2 2 zile left
    VERIFICAT

    looking for someone with good knowledge in cryptography and encryption

    $45 (Avg Bid)
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    3 oferte

    I need an experts on ICO who will be able to work with me for a long period of time. This is a big project and you will have to convince me you capable I have loads of questions to ask so don't bid if you are not up to the tasks to avoid wasting your time. please bid with references of your portfolios .Looking forward to your bidding thanks.

    $2993 (Avg Bid)
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    i want encrypted app message ios android same signal [conectează-te pentru a consulta linkul URL]

    $31 / hr (Avg Bid)
    $31 / hr Oferta medie
    27 oferte

    I need a Crypto expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers.

    $99 (Avg Bid)
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    27 oferte