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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.

Bitcoin has its own technical part that needs to be addressed by professionals. If you are one of them, then you should be on a platform that ensures the consistency of job posting by clients. When working as a bitcoin freelancer at Freelancer.com, you will have access to many of the jobs posted by clients from all over the world and bid on those that are within your professional level. There is too much to enjoy while working at the leading freelancer platform online, including getting paid at rates that your services deserve, giving you the encouragement you need to keep on working on more Bitcoin projects.

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    43 jobs found, pricing in USD

    We are a group looking to build a cryptocurrency exchange. The exchange will enable our customers to buy and sell cryptocurrencies using fiat. Needs to feature: full-featured trading interface; real-time trade settlement; multi-currency trading; robust security

    $17060 (Avg Bid)
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    15 bids

    Need some one who know to create our own coin using Block Chain Technology,You have detaield knowledge regarding to block chain technology.

    $771 (Avg Bid)
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    8 bids
    Script Exchange bitcoin 5 days left
    VERIFIED

    I am interested in integrating a platform where I can buy and sell bitcoins as localbitcoins

    $656 (Avg Bid)
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    37 bids
    ICO Whitepaper Construction 5 days left
    VERIFIED

    If you have experience writing ICO Whitepaper's then please submit a proposal for this position for our company we would love to hear from you! As a professional ICO software development company, we will are looking for a Freelancer who we can have a long term relationship with so we can refer these sorts of projects to. -A strong preference for freelancers who have some knowledge about ...

    $35 / hr (Avg Bid)
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    26 bids

    i need a simple windows build and slight optimisation of graphics if they dont work perfectly but they should be fine. you will be paid in ETH or the coin that im working on whichever you prefer

    $46 (Avg Bid)
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    3 bids

    hello , i would like to Build a cryptocurrency website for Buy/sell bitcoin/ether... this is not a trading platform its a platform where people can sell their bitcoin and buy it with other people that need buy and sell bitcoin using traditional Methods , more info will provided in PM when you interested at this project , need good coders to work with for long term.

    $653 (Avg Bid)
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    38 bids

    Hello! I would like genuine monero e-mail leads, so I can promote a monero project.

    $22 (Avg Bid)
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    7 bids
    ico website 4 days left

    as the tile says i need a ico website with all the features,admin panel,erc20 tokens all the default stuff like pre launch, launch,post launch and mainnet integration We need full package which includes : 1. Cryptocurrency Development & Deployment. 2. Node Setup with setup guide. 3. Block Explorer 4. Web Wallet 5. Windows Wallet ( Optional ) 6. Android Wallet 7. iOS Wallet ( Optional )...

    $1306 (Avg Bid)
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    35 bids

    I need someone to help me with writing about these topics. People with good english only, and with experience would be better. I need new hot topics about these. If you have examples, please send.

    $27 (Avg Bid)
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    31 bids

    We are a fintech company that runs a cryptocurrency hedge fund and are developing an exchange. We are sub-contracting out small trader tools like this project that are independent of our main project. We need a web app written in PhP that: 1. Calls Bitstamp's [A cryptocurrency exchange] REST API to check bid and ask prices. 2. Either an instant order [If the price difference between bid and a...

    $535 (Avg Bid)
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    31 bids

    Looking to add a cryptocurrency portfolio chart page to my website. Looking to add a list of crypos i choose and to display current price and difference in buy price from different date with % + - Name Symbol Buy Date Curr Price Return Yield Action Website is in wordpress

    $597 (Avg Bid)
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    36 bids

    Create ICO page + ERC20 token wallet Must help. White Paper + Listing. Exchange + Roadmap Reference website: [login to view URL]

    $1158 (Avg Bid)
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    29 bids

    Looking for a custom market making bot to be made for bitmex.com. This will be used for gradual and steady profits by using a market making bot that will incorporate small trades that will add up to profits over time. Already an experienced trader and looking to add a bot to my portfolio. More details can be provided on request, thanks! Note: Please be willing to be paid in bitcoin, ethereum or ...

    $918 (Avg Bid)
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    10 bids

    I have basic knowledge of blockchain and bitcoin so to showcase my ability in develope more i need to prepare small projecr related to this domain.

    $20 (Avg Bid)
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    5 bids

    I need you to develop some software for me. I would like this software to be developed . Hello... Do you have a coin you have created and it's on coinmarket cap? Please make your bid with the coin you made with your team and it's on coin market cap and note that you must have a proof to show, if you don't have any proof and you can make excuses of not having proof, don't bid me...

    $1291 (Avg Bid)
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    12 bids

    HI, We either need a Dash or PIVX fork that is 100% POS, With windows, mac, linux wallets and a block explorer creating. We will require a pre mine and everything to be set up ready for launch of the coin from handover to us.

    $877 (Avg Bid)
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    6 bids

    Need urgent content writer Daily 5 article of 500-600 word each Payment: monthly based (budget: Around12k) Fresher can apply. But, need only genuine content. Interested person send me the sample on [removed by freelancer.com admin] or pm me with sample.

    $109 (Avg Bid)
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    17 bids

    Hi, there :) I am looking for a company or individual who can build cryptocurrency exchange platform. You must have previous experiences of building this kind of platform and can show me. Feel free to bid. I will discuss more about the project with awarded freelancer.

    $2134 (Avg Bid)
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    34 bids

    Hello, i need someone who can do for me a telegram Bot for Bitcoin Cloud Mining with payment method Bitcoin Only who can do this message me let me give you an example to do like it

    $207 (Avg Bid)
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    12 bids

    Hi, I'm looking for cryptocurrency exchange. Please display your work so we can work together. Please see this exchanges [login to view URL], [login to view URL] I want working engine not just the theme PS: Please do not apply if you are unable to do it. Thank you

    $1216 (Avg Bid)
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    18 bids

    Need help with installation of Hyperledger Sawtooth and making transactions and blocks. Also configuring the settings of Hyperledger sawtooth.

    $104 (Avg Bid)
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    3 bids

    Hello, I need to topup a bitcoin address for $10. I will pay $15 to you.

    $23 (Avg Bid)
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    5 bids

    I would like an Android Application Developed that allows retail shop owners to accept Bitcoin for their store. The app must be easy to use, display a Q-Code with the Bitcoin wallet address and intergrate with BitPay API: [login to view URL] So the app can generate a Q-Code for the retail shop, when the buyer uses their own phone to make the payment (with a seperate app) this app will then give ...

    $2574 (Avg Bid)
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    21 bids
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    1 bids

    I made a new altcoin based on Dash and need to create mining pool for customers. I want to discuss developers who has experience in dash fork and mining pool. Are you ready? Please start your proposal with three dots and let's get started. I want to discuss trustworthy cryptocurrency developer.

    $1658 (Avg Bid)
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    17 bids

    I am looking for a blockchain developer to create a smart contract and wallet. More details will be shared on chat with selected freelancers only.

    $1961 (Avg Bid)
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    34 bids
    ICO crowdsale smart contract 2 days left
    VERIFIED

    i need a crowdsale smart contract that has only 1 price in eth and users get tokens instantly. I will also need to be able to withdraw from the contract. I need this deployed and me made admin.

    $639 (Avg Bid)
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    18 bids

    I need you to develop some software for me. I would like this software to be developed . Hello, I want to build my coin and also I want to create a wallet for it, in this wallet,i would have top ten currencies in the wallet which can be exchanged to mine, who can help... Before any project is awarded, I would like for you to come up with how you would work on this and also ways to complete this.

    $1638 (Avg Bid)
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    16 bids
    Any one know Block Chain 1 day left
    VERIFIED

    Anyone who knows block chain in detail , need some one who knows detail in token system , and can sell and buy coins using BitCoins.

    $619 (Avg Bid)
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    18 bids
    Angobit.com 1 day left

    blockchain education, cryptocurrency exchange

    $1338 (Avg Bid)
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    35 bids

    i need a crowdsale smart contract urgently that has only 1 price in eth and users get tokens instantly. I will also need to be able to withdraw from the contract. I need this deployed and me made admin.

    $757 (Avg Bid)
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    16 bids
    ICO marketer 1 day left
    VERIFIED

    Hello I am looking for ICO marketer that can help me increase token sales for this week. If you do well per week. You'll make cash on a weekly basis.

    $270 (Avg Bid)
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    13 bids
    online casino 1 day left
    VERIFIED

    i need a developers who can do a game like a complete online casino with good quality and integrating payment gateways like skrill, paytm, bitcoin etc,.

    $7277 (Avg Bid)
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    17 bids

    We are looking for someone to do the following task. The task is to fulfill 2 reqs. extend the provided Wordpress Theme with functionality and with Tables of Crypto Currencies. -> 1st Table -> with all crypto currencies, 2nd Table -> NEO like in the example ... I will provide which tables and which columns and colors etc. are needed. Req. 1) Dynamic Tables-> Get the data dynamically ...

    $210 (Avg Bid)
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    30 bids

    Аnalysis of smart contracts, exchanges, marketplaces. Data to assemble into an excel files. The Specification is in the attachment.

    $238 (Avg Bid)
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    7 bids

    I need you to develop some software for me. I would like this software to be developed . Hello.. I have been posting these requests and it has been removed quite over time, if you have sent me your bid before for the crypto coin sender software that you have, please resend... I want to test your software then I share you more details.

    $8536 (Avg Bid)
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    19 bids

    Dear Coders, i need a coin that is MN, POW / POS based on Xevan Algo. Please you should know what i am talking about, do not waste my time if you are not familiar with MN. I want a coin that can be constantly mined until a certain block hight.

    $1610 (Avg Bid)
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    18 bids

    We are looking for a solid team or person that can actually help us setup a blockchain and create our own Cryptocurrency for that blockchain. We are interested in having our blockchain provide a number of apps and services that can used on our blockchain. This project is for you to suggest and give design ideas for solid solutions to the blockchain. The industries do not matter as long as the...

    $3133 (Avg Bid)
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    36 bids

    Need skilled Blockchain developers for our project. Interested people can send us your resumes along with previous work experience.

    $4195 (Avg Bid)
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    17 bids

    ON CALL support and minor fixes for a Cake PHP solution for launch, needed, for a week (solution is ready for launch)

    $190 (Avg Bid)
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    16 bids

    n Switzerland we have unlimited access and virtually no wait times on healthcare, but costs are rising fast every year, so we need a better solution. SANA is designed on the Ethereum blockchain using smart contract technology to improve the communication of healthcare institutions.

    $154 (Avg Bid)
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    14 bids

    I have an erc20 exchange and wish to offer the service of letting people run an ico feom within my exchange platform. I want this incorporated into the exchange platform. Please put detailed proposal in writing including as much info as possible to be considered

    $5997 (Avg Bid)
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    22 bids

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

    $130 (Avg Bid)
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    16 bids

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