Cryptography jobs

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! Hire Cryptographers

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    The Git also references a URL that is not live and most likely are old and not needed in the new wallet. Help determine if these are needed. Or if the missing Dependencies are also not needed.

    $163 (Avg Bid)
    $163 Avg Bid
    2 bids
    Crypto Wallet App -- 2 6 days left
    VERIFIED

    A crypto wallet app ● Develop a Crypto Wallet for Web and Mobile app (iOS and Android) ● Customers can buy and sell bitcoin. ● Provide bitcoin payment processing system for user. ● Payments platforms - PayPal, credit card, debit card● Reference site: [url removed, login to view] and [url removed, login to view] Back end - JAVA (android ) IOS (Objective -C) Front end - HTML , CSS, JS , BOOSTR...

    $714 (Avg Bid)
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    21 bids

    I want a website built to deal with cryptocurrency. Users should be able to buying and selling of bitcoin from world wide. It should be SEO optimized and security enhanced. Selecting the language or Platform is your choice. Kindly submit work with sample work and best quotes to award the project.

    $6049 (Avg Bid)
    $6049 Avg Bid
    5 bids

    Looking for freelancer to review and write a set of technical questions with answers with the following conditions: - *) Freelancer should hold a Master or Higher in one of computer studies. *) Knowledge is a must in computer security, data encryption and image encryption. *) Solid in technical English writing. *) Welcome to new freelancers or 0 feedback.

    $143 (Avg Bid)
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    22 bids
    Fix my crypto wallet error 5 days left
    VERIFIED

    I have a wallet which is not confirming transactions. please check this screenshot. Only experienced.

    $58 / hr (Avg Bid)
    $58 / hr Avg Bid
    7 bids
    $30 - $250 AUD -- 2 5 days left
    VERIFIED

    We would like someone to write a white paper regarding our ICO PROJECT. We need someone who has previously written a white paper and presentation on crypto currency and Block chain technology Hit us up with little detail about your previous projects and we can go from there We will provide examples and kind of a content we want to write. Thanks

    $154 (Avg Bid)
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    28 bids
    Solidity Developers 5 days left
    VERIFIED

    We are building the next generation crypto currency platform, token and network. We are developing on multiple stacks and languages. We need experienced solidity developers to assist with developing our master node smart contracts. At this point, we are building out our architecture and technology stacks. Data models are in development, as is our coins network, master node system, and wallets....

    $26 / hr (Avg Bid)
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    7 bids
    penetration testing report 4 days left
    VERIFIED

    i have screenshots ,i need professional academic report

    $80 (Avg Bid)
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    16 bids
    Solidity Developer(s) 4 days left
    VERIFIED

    Looking for solid experience, we completed a successful ICO and need two contractors that can work on our master node smart contracts.

    $47 / hr (Avg Bid)
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    10 bids

    Looking for blockchain developer and cryptocurrency expert. Someone who has expertise in bitcoin wallet and integration. I want to create a cryptocurrency exchange platform on web and mobile. Only expert and experience developer should apply with their portfolio for long term relationship

    $28 / hr (Avg Bid)
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    6 bids

    I want bitcoin mining machines to be shipped in India. Need a reliable supplier who can be trusted.

    $31 - $262
    $31 - $262
    0 bids

    we need to have proposals for a website development project, it is going to be full website development including designing UI designing backend integrating it with the payment provider database creation for user management integrating with the various 3rd party API's in cryptomarket technically there would be two modules (1 for buy/sell of cryptocurrency (BTC/ETH/LTC/DASH/XRP) ...

    $864 (Avg Bid)
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    38 bids

    Program a Bitcoin Exchange website that includes bitcoin and other popular cryptocurrency. (but focus on bitcoin to start) It can be exactly like : litebit.eu. Same functions and same ui. (just simple and efficient) MAIN FEATURES [-] Friendly & Responsive Design/Layout [-] Fully Responsive [-] Multi Language System option [-] Multi Payment Gateway/ payment api integration (bunq ba...

    $2930 (Avg Bid)
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    26 bids

    need new cryptocurrency with following features: -unique code not bitcoin -secure -instant -no confirmations -no mining -no fees -2,000,000,000 market cap -I will own all upfront -windows wallet required initially -private transactions -private blockchain

    $1252 (Avg Bid)
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    18 bids

    Would like to build a mobile app (iOS and Android) for customers who want to buy or sell bitcoin and other cryptocurrencies (also includes a website). Also want to provide bitcoin payment processing system for user. Ping me for more information. The project just like jaxx, localbitcoin, and also exchange with other payments platforms - PayPal, stripe, [url removed, login to view], payline. Sk...

    $1421 (Avg Bid)
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    50 bids

    I am looking for experienced and knowledgeable individuals to assist with Initial Coin Offering process.

    $97532 (Avg Bid)
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    6 bids

    Hello Freelancers, We have wonderful project to begin in next 2 days. We are after creating our own cryptocurrency using Ethereum fork so it uses the existing Ethereum blockchain. We are look for serious coders and who have a proved knowledge in block chain technology. We need a crypto coin where some of its coins are premined and some of them will be mineable. calculations are ready. will be sha...

    $6164 (Avg Bid)
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    18 bids

    We are looking for someone to help us complete our coin creation. We have already built the Smart Contract and everything else, but need to find a way of allowing people to buy, sell the coin using Etherium. We need to start funding our project and we need someone who has built a functional coin to assist us. Work will be per project or per hour depending on the skills of the freelancer. We respec...

    $44 / hr (Avg Bid)
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    12 bids

    I am looking for a developer to create a website similar to Coinbase ([url removed, login to view]) and their digital currency exchange ([url removed, login to view]), as well as create smart phone apps for this website. This project will also involve developing a secure wallet system. I would like this exchange to have an easy-to-use API, so that it can be used by quantfunds and algorithmic tr...

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    32 bids

    I am looking for help in conducting an analysis. This analysis will be based on average min-entropy. please contact me for further details.

    $168 (Avg Bid)
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    10 bids

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