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Bitcoin is a crypto currency, with the creation and the transfer of the bitcoins being based on a protocol that does not depend on the central authority. The coins can be transferred through computers or through smartphones and related devices, without the necessity of having a financial institution as an intermediate. This concept was established by Satoshi Nakamoto in 2008 and it was geared towards the world of electronic cash systems. If you understand more about this topic on a professional level, then you have a better chance to enjoy the advantages of being a freelancer at Freelancer.com.

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    39 najdenih del, po cenah EUR

    Looking for a bounty program for our project.

    €341 (Avg Bid)
    €341 Povprečna ponudba
    16 ponudb

    Wallet link: [prijavite se za ogled URL] I need to change somethings in the wallet... First when a user create an account no need to email verification Just show the seeds randomly and securely and then wallet ask user to re-enter seeds again to confirm And then make users access to all of the coins private keys access Remove picture option from wallet too we don't need KYC Also remov...

    €235 (Avg Bid)
    €235 Povprečna ponudba
    2 ponudb

    I want you to setup XZC (ZCoin) mining pool on my dedicated server with web frontend. This pool will be used only by our miners which has 1.6GH of hashrate.

    €3 / hr (Avg Bid)
    €3 / hr Povprečna ponudba
    2 ponudb

    I am looking for a long term freelancer I have some good ideas right now and planning to work with profit share bases and payment also for more information you can contact me it is an interface for fund managers for more information contact we

    €150 (Avg Bid)
    €150 Povprečna ponudba
    6 ponudb

    I neeed a new coin from forknote/CryptoNote. It can be made in less than 30 min. I need everything: wallet, blockchain, pool, explorer, github repository. All material is free in internet. Please need to be like those two links: [prijavite se za ogled URL] or [prijavite se za ogled URL] Those link above teach and show how to do. The specifications I will send later. It ...

    €1566 (Avg Bid)
    €1566 Povprečna ponudba
    6 ponudb
    Create a whitepaper. 6 dni left
    VERIFICIRAN/A

    Hi, I need a whitepaper created for a new ICO.

    €378 (Avg Bid)
    €378 Povprečna ponudba
    25 ponudb
    ethereum developers only! 6 dni left
    VERIFICIRAN/A

    Hi I am looking for someone to create an app on the ethereum network. Our app is complete already. We just need to add the eth smart contracts. Please have experience and be available to start doing work.

    €2079 (Avg Bid)
    €2079 Povprečna ponudba
    18 ponudb

    I’m interested in building a node explorer similar to the following one: [prijavite se za ogled URL] Some of the code used for this project can be found here: [prijavite se za ogled URL] The difference would be to build one for the following coin: [prijavite se za ogled URL] Their developer tools can be found here: [prijavite se za ogled URL] If someone have experience with the same/simi...

    €3724 (Avg Bid)
    €3724 Povprečna ponudba
    18 ponudb

    I need a blockchain Hyperledger For my app

    €2594 (Avg Bid)
    €2594 Povprečna ponudba
    20 ponudb

    Contact me for more info. Lets discuss on my requirements. Its a startup.

    €2436 (Avg Bid)
    €2436 Povprečna ponudba
    11 ponudb

    I want you to create my own bot for trading crypto on Bitmex (API) using a simple RSI strategy. The bot must be able to do the following: 1) Margin trading, having the capability of taking long and short positions based on the RSI values. 2) Need to calculate RSI based on the websocket data and should match the RSI on Bitmex. The calculations should be done for a 3 minute interval. 3) A stoplos...

    €227 (Avg Bid)
    €227 Povprečna ponudba
    9 ponudb

    Must show previous work you have completed. Looking for long term partners.

    €359 (Avg Bid)
    €359 Povprečna ponudba
    37 ponudb

    Looking for good team members for our project. Presale is starting in a couple days.

    €501 (Avg Bid)
    €501 Povprečna ponudba
    29 ponudb

    I just want a simple PHP library that can generate ZIP32 master keys, then derive valid Zcash Sapling payment addresses and the necessary view/spend keys. I'm sure for someone with experience in writing crypto related code this is very easy. Library should be in pure PHP. Here's the spec: [prijavite se za ogled URL] [prijavite se za ogled URL] [prijavite se za ogled URL]

    €303 (Avg Bid)
    €303 Povprečna ponudba
    6 ponudb

    we are consultancy agency and my requriments are these there should be no branding and you need tell me how to install in server aigin i am to give this code to more than two people 1)i need api trading platform to manage trade for my clients 2)i need a interface where i can trade all crypto currency(or new currency which is be added in exchange) 3)i need know status of all accounts what tra...

    €146 (Avg Bid)
    €146 Povprečna ponudba
    6 ponudb

    we are consultancy agency and my requriments are these there should be no branding and you need tell me how to install in server aigin i am to give this code to more than two people 1)i need api trading platform to manage trade for my clients 2)i need a interface where i can trade all crypto currency(or new currency which is be added in exchange) 3)i need know status of all accounts what tra...

    €120 (Avg Bid)
    €120 Povprečna ponudba
    4 ponudb

    We are looking for part time SMM that will manage the social media for our financial websites. The SMM needs to have passion for the financial industry, and generate content on daily basis. Must have at least 1 of those: [prijavite se za ogled URL] SMM - experience managing finance social media like crypto currency, Forex, credit card companies etc.. [prijavite se za ogled URL] knowledge -] fina...

    €348 (Avg Bid)
    €348 Povprečna ponudba
    44 ponudb

    Hi I am looking for someone to create an app on the ethereum network. Our app is complete already. We just need to add the eth smart contracts. Please have experience and be available to start doing work.

    €2248 (Avg Bid)
    €2248 Povprečna ponudba
    26 ponudb

    I have a project in mind and I need consultation on if and how this project is possible. I need to be able to view balances of none-zero bitcoin wallets that happened prior to today (non live data). Example: I want to see balance of top 1000 wallets for yesterday. I dont believe this data would be available on blockchain explorer, would that mean I need to data mine blockchain? if so, how would...

    €15 (Avg Bid)
    €15 Povprečna ponudba
    7 ponudb

    We are an cryptocurrency exchange which want to expand our services with an API. The API user needs to register and authenticated through Laravel Passport (this also needs to setup) or on Lumen (please advise). The API needs to do the following: 1. Make a wallet for a cryptocurrency 2. Check the amount of coins available on orderbook 3. Taking buy/sell orders on the exchange 4. Check the balances...

    €582 (Avg Bid)
    €582 Povprečna ponudba
    40 ponudb

    i need to create a token and integrate it to the website.

    €543 (Avg Bid)
    €543 Povprečna ponudba
    23 ponudb

    Hi I am looking for someone to create an app on the ethereum network. Our app is complete already. We just need to add the eth smart contracts. Please have experience and be available to start doing work.

    €682 (Avg Bid)
    €682 Povprečna ponudba
    22 ponudb
    create a masternode coin! 3 dni left
    VERIFICIRAN/A

    i need to change my current erc20 token to a masternode token like dash i already have own erc20, just need to swap it.

    €443 (Avg Bid)
    €443 Povprečna ponudba
    12 ponudb

    Need it done in 48 hours, the coin is a pow coin.. The developer that will do this must have it done in 48 hours.

    €1206 (Avg Bid)
    €1206 Povprečna ponudba
    8 ponudb

    I am looking for a programmer to develop a birth registration application in solidity, can be a simple application

    €398 (Avg Bid)
    €398 Povprečna ponudba
    7 ponudb
    Looking for crypto trader 3 dni left
    VERIFICIRAN/A

    We are a company based in Dubai and We are looking for experienced freelance traders, who can join our dynamic and dedicated team. Who are we? Teroxx is one of the first digital asset and digital currency trading houses in the world! Working closely with regulators, Teroxx is on its way to implement an international concept for cryptocurrency trading and investments in blockchain technology and i...

    €48 / hr (Avg Bid)
    €48 / hr Povprečna ponudba
    17 ponudb

    Hello, We want to create a crypto-asset which here is the context: Our company FAZUP manufactures and markets a device that greatly reduces the amount of electromagnetic waves absorbed by smartphone users. It is an extra fine passive antenna, in the form of a patch, which is positioned very precisely on the back of the mobile phones, with respect to their main antenna location. The FAZUP patch r...

    €13 / hr (Avg Bid)
    €13 / hr Povprečna ponudba
    27 ponudb
    Exchange platform 3 dni left
    VERIFICIRAN/A

    Bitcoin, litecoin and ethereum exchange with fiat currency

    €1490 (Avg Bid)
    €1490 Povprečna ponudba
    35 ponudb

    Need turnkey solution with source code, training and support : Liquidity aggregator for own cryptocurrency exchange. REST API, WebSockets, minimal 3 platform: Binance, Bitfinex, Huobi Attach description and indicators

    €3814 (Avg Bid)
    €3814 Povprečna ponudba
    31 ponudb

    Hello, [PLEASE ANSWER ONLY IF YOU UNDERSTAND EVERYTHING, AND HAVE VALUABLE EXPERIENCE] Our customer needs a solution to secure the BTC he receives everyday, because the fluctuation can make lose so much money. So the solution we think about could be to convert everyday easily any amount of BTC into any stablecoin. How you do this without KYC? We are ready to pay for good plan and knowledge.

    €49 / hr (Avg Bid)
    €49 / hr Povprečna ponudba
    14 ponudb

    We are looking for experienced Twitter Users with sufficient English level to help us generate content, comments and discussions on Twitter accounts related to cryptocurrency, fintech and blockchain. Requirements: Twitter Account and experience with Twitter Interface General grasp and understanding in the issues related to cryptocurrency If you are interested, please contact me for personal cont...

    €116 (Avg Bid)
    €116 Povprečna ponudba
    17 ponudb

    Hello, I need to find someone who can create a Betting/Game Dapps based on the Tronx blockchain For example: [prijavite se za ogled URL] [prijavite se za ogled URL] You can provide me with game ideas, and I will choose. Regards

    €2603 (Avg Bid)
    €2603 Povprečna ponudba
    28 ponudb
    people interested in binary option 1 dan left
    VERIFICIRAN/A

    people interested in binary option interested in management plz bid accordingly

    €9 - €26
    €9 - €26
    0 ponudb

    We have a custom coded MLM script in which need to make some changes and need to implement bitcoin payment gateway. Right now it is using coinpayments as payment gateway but we want to remove coinpayments and do not want to rely on any other 3rd party. we want to use direct payments to our wallet for incoming and outgoing payments. If you are experienced and have got skills to get this job done th...

    €468 (Avg Bid)
    €468 Povprečna ponudba
    12 ponudb
    Need Bitcoin 1 dan left
    VERIFICIRAN/A

    Need Buy Some bitCoin , SomeOne bid on this project please write the word "done"

    €355 (Avg Bid)
    €355 Povprečna ponudba
    4 ponudb

    Hello, I need to find someone who can create a decentralized trading platform based on the Tronx blockchain For example: [prijavite se za ogled URL]

    €2224 (Avg Bid)
    €2224 Povprečna ponudba
    32 ponudb

    We are looking for Blockchain Expert who can work on our various projects. There are so many tasks that you have to implement and if you are right person, it will be long term contract. I'm looking for Real Expert have at least 2 years of experience in this field. You are needed to show some previous works that you have done and explain about it. Must work on US timezone. There might be over...

    €19 / hr (Avg Bid)
    €19 / hr Povprečna ponudba
    40 ponudb
    Build a CryptoCurrency Exchange. 12 dni left
    VERIFICIRAN/A

    we want to build a cryptocurrency exchange not token exchange not ICO website crypto exchange BTC BCH ETH LTC XRP NEO USDT TRX all coins should be able to trade with each other as pairs. *** you can download requirements document and read that in depth and word by word *** if you want to have a chance to choose as this project freelancer, you should read t...

    €5292 - €8820
    Izpostavljeno Zapečateno
    €5292 - €8820
    96 ponudb
    Crypto expert required.. 3 dni left
    VERIFICIRAN/A

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

    €6 - €63
    Zapečateno
    €6 - €63
    37 ponudb

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