Blockchain is a distributed register that is used to maintain a continuously growing list of records, called blocks. It has revolutionary applications in finance (such as cryptocurrencies like Bitcoin) and decentralized applications like online voting. Ansæt Blockchain Developers

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    45 jobs fundet, i prisklassen EUR
    I NEED A FORKED EOS 6 dage left
    VERIFICERET

    Fork the EOS block chain for this project

    €3468 (Avg Bid)
    €3468 Gns Bud
    14 bud

    More details in private message!

    €7 (Avg Bid)
    Garanteret Forseglet Topkonkurrence
    €7
    0 indlæg

    I am looking for blockchain expert who can change design and integrate NEO into existing site built by Ruby on Rails. Here is the git repo of script. [log ind for at se URL] And I need to integrate btc, ETH, ERC20 and NEO. I have design ready. Please only apply only when 1. you have portfolio of exchange platform you created. 2. you are expert in Ruby on Rails. Budget:3000 Timeline: 40days Look...

    €2196 (Avg Bid)
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    9 bud

    I need an experienced blockchain developer to develop a Decentralised Exchange like [log ind for at se URL] Presently the exchange allows ETH to ERC20 Tokens. I want One particular Token to ERC20 Tokens. Please bid.

    €693 (Avg Bid)
    €693 Gns Bud
    15 bud

    1. We are a Cryptocurrency Exchange based out of Lithuania 2. We are currently working on serving European Clients 3. We are in need of a Blockchain Developer who can support us for development and maintenance of our website/server and services 4. The Person should be well conversant with Website/Blog Creation, Server Set-Up, Blockchain Development 5. The Person would be hired as a Partner in the ...

    €10 / hr (Avg Bid)
    €10 / hr Gns Bud
    5 bud
    Waves platform expert 6 dage left
    VERIFICERET

    I need a person who have worked on waves platform as a developer. I need some modification in waves platform open source mobile wallet application.

    €432 (Avg Bid)
    €432 Gns Bud
    3 bud

    Vær venlig at Tilmelde dig eller Log ind for at se detaljer.

    Forseglet NDA

    we need a platform which can be used to share files over blockchain (Metadata) . files encrypted and print them using a verified/trusted printer on blockchain to make sure copyrights of founder/designer are secured and his file is not leaked . more details could be found here : [log ind for at se URL]

    €4891 (Avg Bid)
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    13 bud

    we need a platform which can be used to share files over blockchain (Metadata) . files encrypted and print them using a verified/trusted printer on blockchain to make sure copyrights of founder/designer are secured and his file is not leaked .

    €2740 (Avg Bid)
    €2740 Gns Bud
    4 bud
    Finish a PHP project 6 dage left
    VERIFICERET

    Add these to my current project: - Comprehensive guide of how to run all commands in ubuntu to create, delete, set passwords to wallets. (create new wallet, balance of each wallet master and clients, log file of all transactions, get seed password from wallets, etc.) - error message if there’s not enough funds in the admin wallets (example: sorry maximum amount to exchange right now is 0....

    €394 (Avg Bid)
    €394 Gns Bud
    22 bud

    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

    €835 (Avg Bid)
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    3 bud

    Multi coin mining portal development Looking developer from Chennai only

    €421 (Avg Bid)
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    6 bud
    Masternode ranking website 5 dage left
    VERIFICERET

    I am looking for someone to create masternode ranking website similar to: [log ind for at se URL] [log ind for at se URL] [log ind for at se URL]

    €157 (Avg Bid)
    €157 Gns Bud
    11 bud

    We are looking for bidders on virtual currency bank in Philippines Projects: 1. ERC-20 Coin creation 2. Coin white paper writing 3. VC-PHP Exchange core 4. Mobile app for the exchange 5. Web app for the exchange. Note: Should be in Philippines. Should be a legitimate entity [log ind for at se URL]

    €2763 (Avg Bid)
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    26 bud

    Hello, there is a platform called Flixxo. Flixxo is a decentralized video sharing platform where people can earn tokens called "Flixx" by uploading videos or watching videos. I need help creating a smart contract to split the revenue earned between content creators and myself. I need you to set a smart contract as a withdrawal address And set the splitting of flixx tokens within that s...

    €506 (Avg Bid)
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    18 bud
    i need changes for my ICO website 5 dage left
    VERIFICERET

    website is built in lavarel, ubuntu make it mobile and iPAD responsive + deploy tokens (truffle) on mainnet.

    €161 (Avg Bid)
    €161 Gns Bud
    11 bud

    I need Bitcoin wallet with good features

    €691 (Avg Bid)
    €691 Gns Bud
    19 bud

    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 a option to see how much your coins were worth over a certain period of time. [log ind for at se URL]

    €911 (Avg Bid)
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    18 bud

    I need you to develop some software to store bitcoin

    €17 / hr (Avg Bid)
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    13 bud

    I need you to develop desktop crypto currency wallet

    €47 / hr (Avg Bid)
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    27 bud
    Decentralized Exchange Platform 4 dage left
    VERIFICERET

    We are going to build a decentralized exchange until Nov 30th. Front-end is done. You need to work with back-end . You only need to add BTC, ETH, SKX (our coin) as trading pairs. Please share your DEX experiences on the proposal or bids will be rejected. Regards.

    €948 (Avg Bid)
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    20 bud

    - I need detail how to make etc & eth mining pool by using open source ([log ind for at se URL]) in unbutu 16.04.

    €165 (Avg Bid)
    €165 Gns Bud
    6 bud

    Want someone to create a new coin from PIVX source code. Finished product should include bash file for easy setup of a masternode VPS on Ubuntu 18.04, and QT GUI wallets for Linux, Windows, Mac. Finished blockchain should not have Proof-of-work mining capabilities. All GUI wallets should be capable of hosting masternodes, have an explorer option built in, have coin control features, and have mult...

    €1204 (Avg Bid)
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    13 bud
    Evaluation AD 3 dage left
    VERIFICERET

    Helps with daily calendar management, scheduling of meetings, correspondence, and note-taking. Scheduling & communications between staff and company members, screening calls and emails and responding when appropriate. There will be some items of personal and business assisting in order to alleviate stress and time restraints from the owner so he can focus on direction of the spaces and c...

    €113 (Avg Bid)
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    2 bud

    I am looking to hire a team of individuals that have experience working on cryptocurrency projects. This project is mostly coded in Golang. I need the following: Developers that is familiar with Golang Developer that is experience with javascript (knowledgeable in Node.js and electron framework) Familiar with building executables for windows, linux and mac. Should know CI/CD as well Speed and ac...

    €7329 (Avg Bid)
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    36 bud
    Create a new Crypto Currency 47 dage left
    VERIFICERET

    Create a new Crypto Currency by Improving open source existing codes and ensure its reliability to connect to external environments, and implement sepcific specs and deliverables and high level security.

    €3004 - €5007
    Fremhævet Forseglet NDA
    €3004 - €5007
    55 bud

    I need a proposal writer for my mobile app.

    €95 (Avg Bid)
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    18 bud

    I need you to develop a software for bitcoin transaction

    €49 / hr (Avg Bid)
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    22 bud

    Looking for a team to build back-end modules for an cryptocurrency wallet application. This is part of bigger overarching project and repeat business will happen on completion of each module. Using QT5.11. Please contact us for further information.

    €19 / hr (Avg Bid)
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    15 bud

    Hi! I need a website developed regarding crowd funding platform. You can develop that on WordPress, Laravel, PHP whatever you wish. I have attached a doc file named project_details. Check that & send me your best quote, time frame & any other details you may need. I need this project to be started asap. So, if you can complete within 14 days that will be perfect. You also have know about b...

    €13 / hr (Avg Bid)
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    12 bud

    i m looking for a c++ expert with blockchain knowledge, i have all source and now just need to customize and setting the ui to core. if you are not expert this area don;t bid here. This is for learning purpose.

    €20 / hr (Avg Bid)
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    14 bud
    Build a Decentralized Exchange 2 dage left
    VERIFICERET

    We are going to build a decentralized exchange that provides fast transaction speed. We will use our "proxy blockchain" idea. Please check document. Is it possible idea? It should be finished until 30th Nov. If you read document and confident, please start your proposal with three dashes. It is ongoing project and we hope long term relationship with you.

    €2069 (Avg Bid)
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    27 bud

    We are blockchain company based on Los Angeles and open new blockchain project now. Looking for Ethereum blockchain developer who has 4 years experience at least. Don't bid agency, only bid developer. We will have test.

    €20 / hr (Avg Bid)
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    22 bud
    Masternodes Monitoring 2 dage left
    VERIFICERET

    Create a simple tool to monitor masternodes. If dont know, don’t bid

    €204 (Avg Bid)
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    2 bud

    The goal is to set up a smart contract for temporal team members of a project. The potential team members will get a notification via Email about their opportunity to take part in a project. The potential team members give their approval with a click on a button within the Email. The supervisor gets an Email notification about their approval. At the same time on the basis of the click, the Smart ...

    €20 / hr (Avg Bid)
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    12 bud
    XRP wallet app 1 dag left
    VERIFICERET

    Looking to built a xrp wallet webapp Will use xrp api to generate addresses Xrp wallet Generate Xrp wallet address Send , received Show balance Secret key backup Account creation Email Phone verification Buy xrp USD - XRP using changelly api Examples [log ind for at se URL] Api info [log ind for at se URL]

    €2014 (Avg Bid)
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    33 bud

    The application I am looking for is basicly that multiple producers of goods, can rent a shipping container together. For example company A wants to transport half a container of apples from the UK to Germany, but since they only need half a container they can use it together with another company that has to transport also from the UK to Germany. It is important that the companies can't see w...

    €225 (Avg Bid)
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    4 bud
    contacts of crypto projects 23 timer left
    VERIFICERET

    Hi, i need some one that can provide emails list of crypto, blockchain, ico project owners. so please bid if you are able to provide them. Before i was proceeding i need atleast 20 - 50 emails as an sample to test them.

    €73 (Avg Bid)
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    5 bud

    The goal is to design and build a file storage blockchain for file storage. This blockchain should make use of IPFS to store files, these files can be anything and there must be a hash/encryption used to access the files. The programming language used should be simplicity(a build on top of c++). There is not any other description or requirement other than the ones stated above and as long as th...

    €1574 (Avg Bid)
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    20 bud

    Turnkey poker platform on tron blockchain. I am looking for someone who has the expertise to create the platform.

    €4048 (Avg Bid)
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    21 bud

    Perform a security audit for an ERC721 smart contract. Details about the project, including the white paper, can be found in the following website: [log ind for at se URL]

    €1039 (Avg Bid)
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    10 bud

    Turnkey poker platform on tron blockchain. I am looking for someone who has the expertise to create the platform.

    €4270 (Avg Bid)
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    12 bud

    Turnkey poker platform on tron blockchain. I am looking for someone who has the expertise to create the platform.

    €5498 (Avg Bid)
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    16 bud
    Looking Investor on our ICO! 11 timer left
    VERIFICERET

    We are us based cryptocurrency exchange we are looking the investor on our exchange. If you are interested just bid!

    €25 (Avg Bid)
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    1 bud
    Create a webhook 2 timer left

    I want to automate the purchase of a product in my ecommerce, based on when an assigned wallet receives funds.

    €22 (Avg Bid)
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    1 bud

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