Bitcoin Lavori e Concorsi

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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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Progetto/Concorso Descrizione Offerte/Proposte Competenze Iniziato Termina Prezzo (EUR)
build bitcoin Faucet Script following things must be added when you create it Main Features *Responsive CSS: Works on Mobile, Tablet or PC *Clean Layout: Simple Designs without the clutter. *Proxy Detection: Standard PHP Detection, NastyHosts & IP Hub *Captcha Services: SolveMedia, reCaptcha or CaptchMe * AntiBot Links: Makejar 6.00 ([url rimosso, accedi per visualizzarlo]!/) Supported Cu... 7 PHP, Javascript, Progettazione Siti Web, CSS, Bitcoin Oct 21, 2017 Oggi6d 21h €138
Connect api and bitcoin payment processor Connect api with another websites. post and get both will be accept . add payment method bitcoin . expert and low bidders will get this job 2 PHP, Javascript, Architettura Software, HTML, Bitcoin Oct 21, 2017 Oggi6d 15h €24
Cryptocurrencies exchange script We need a similar script sold here: [url rimosso, accedi per visualizzarlo] It's a script for trading of cryptocurrencies and fiat currencies both in one platform. Among others features: SSL security, Automatic limits for funds withdrawal and Two-factor authentication system. Please don't bid to this project if you don't know what this job is about or if you ask an higher price t... 19 PHP, Programmazione C#, Architettura Software, MySQL, Bitcoin Oct 21, 2017 Oggi6d 15h €1084
Need expert developer to work on bitcoin wallets Hello Developers Need highly skilled person for developing cryptocurrency exchange website More discussed in chat 15 PHP, Progettazione Siti Web, Graphic Design, HTML, Bitcoin Oct 21, 2017 Oggi6d 15h €806
Ethereum developer required for regular projects Ethereum developer required for regular projects 12 Bitcoin, Ethereum Oct 20, 2017 Oggi6d 13h €662
Metatrader, Mercati finanziari, Programmazione C++, VPS, Bitcoin Oct 20, 2017 Oggi6d 11h
Leonardo crypto robot settings Does someone know how the settings is of the leanardo robot(crypto currency robot) or how to setup this robot ? 4 Bitcoin Oct 20, 2017 Oggi6d 8h €72
Need 0.019 BTC exactly (100USD) , I will pay here in advance 190$ for them .Its urgent matter Need 0.019 BTC exactly (100USD) , I will pay here in advance 190$ for them .Its urgent matter 1 Bitcoin, Blockchain, eCommerce, Promozione su Internet, Vendite Oct 20, 2017 Oggi2d 6h €25
Cryptocurrency Website Hello, Im looking for a cryptocurrency develop to develop a website. Details will be shared via chat. 17 PHP, WordPress, Bitcoin, Blockchain, Ethereum Oct 20, 2017 Oggi6d 4h €399
Creating ERC20 Coin on ETH platform for ICO and decentralized binary trading exchange I am developing a decentralized binary option trading exchange with sport betting capability options , and will need a ERC20 token with smart contract created from the Ethereum platform . I have a pretty good guideline and comparison to give you. I will also need the site design service as well. The exchange will need a price feed , and the the company profits" / exchange profits will be a ... 13 Progettazione Siti Web, Mercati finanziari, Bitcoin, Blockchain, Ethereum Oct 20, 2017 Oggi6d 2h €3867
Bitcoin Exchange Website - 20/10/2017 09:51 EDT [FOR FULL PROJECT PLEASE CONTACT ME] Step 1 — Smart contract logic Ethereum smart contracts already provide us with the means to run logic of continuous double auction exchanges— such as GDAX, Bitfinex, Kraken or Poloniex—on a blockchain computer. The speed of today’s networks present practical challenges with respect to user experience because the market can potentially ... 18 PHP, Progettazione Siti Web, eCommerce, HTML, Bitcoin Oct 20, 2017 Oct 20, 20175d 23h €2091
bitcoin p2p buy/sell advertise A website where user can post their advertisement for crypto currency buy/sell locally. This website need user geolocation and accept bit coin payment for advertisement post. 7 PHP, Progettazione Siti Web, Graphic Design, HTML, Bitcoin Oct 20, 2017 Oct 20, 2017Terminato €3880
CryptoCurrency Development (Ethereum Clone - Fork) I want to clone / fork Ethereum blockchain with everything inside it by rebranding it with our own brand. your job is to rebrand ethereum and replace the brand name where ever it says ethereum or ether or any of the other things in it. The algorithm will not be changed at all. 1) blockchain (ethereum) 2) cryptocurrency (ether) 3) block explorer ([url rimosso, accedi per visualizzarlo]) 4) ... 5 Programmazione C#, Programmazione C++, Bitcoin, Blockchain, Ethereum Oct 20, 2017 Oct 20, 2017Terminato €33610
Blackbird Bitcoin Arbitrage Api Creating for my site Hello Freelancers. I am a senior Designer on here. Now I have one Bitcoin project.(Front end and Back end). So I am looking for advanced developer of cryptocurrency who will join me to create the best API. Please bid only Bitcoin and Crypto-currency expert. Now I am try to modify the Blackbird Bitcoin Arbitrage Api into my website. Please make sure that you understand the my requirement file... 5 Crittografia, Programmazione C++, Bitcoin, Blockchain Oct 19, 2017 Oct 19, 20175d 11h €109
Cypto Site Hello, Im looking for a crypto developer to develop a website. Details will be shared via chat 12 PHP, WordPress, Bitcoin, Ethereum Oct 19, 2017 Oct 19, 20175d 10h €39891
Mining (bitcoin or ethereum) hardware configuration and deployment Hello, we're considering investing in some mining hardware. I would need to collaborate with some bitcoin or ethereum guru to do the following activites: - Choose the best mining hardware (efficiency and speed) - Configure the hardware on our network (we can use teamviewer) - Configure a service like "NiceHash" to maximise return This is a pilot test to check the profitabilit... 13 PHP, Linux, Architettura Software, Bitcoin, Sicurezza Internet Oct 19, 2017 Oct 19, 20175d 7h €193
Compile New Windows Wallet for an Altcoin Hello, We are looking for some who can compile new windows wallet for an existing Bitcoin-based cryptocurrency. 11 Visual Basic, Architettura Software, Programmazione C++, Bitcoin, Ethereum Oct 19, 2017 Oct 19, 20175d 6h €380
Copywriter for cryptocurrencies / bitcoin / blockchain We are two entrepreneurs and fans of cryptocurrency starting a new project, where we want to teach people how to start with crypto. We are looking for advanced user of cryptocurrency (familiar with blockchains, mining, wallets, exchanges) who will join us to create the best content. We can offer you from 2 to 6 dollars per 100 words based on the experience. If you stay with us several m... 14 Copywriting, Scrittura Tecnica, Crittografia, Bitcoin, Blockchain Oct 19, 2017 Oct 19, 20175d 4h €1574
Cryptocoin miner with HTTP interface I need a miner developing that works similarly to NiceHash - it will work out which coin to mine based on the hardware capabilities of the user and the current market value of the coins. Users will need to log in to the software with their username and password from my website. Users will receive account credit relative to what they have mined, this account credit will need updating on my website ... 15 .NET, Windows Desktop, Programmazione C++, Windows API, Bitcoin Oct 19, 2017 Oct 19, 20175d 4h €692
Bitcoin Mobile Application We have bitcoin app live on android and iOS and want maintenance and enhancements on the same. App backend is developed using java, angular js 2. Freelancers or companies who have already worked on the same projects will be preferable. For more details we can chat or you can contact me. 4 Mobile App Development, iPhone, Android, Bitcoin, Blockchain Oct 19, 2017 Oct 19, 20175d 3h €2703
looking for someone who knows BITCOIN and generate BITCOIN i just looking for someone who have experience in BITCOIN and mining bitcoin 9 PHP, Javascript, Architettura Software, MySQL, Bitcoin Oct 19, 2017 Oct 19, 20175d 2h €39
Create Block Chain Explorer For Existing Cryptocurrency I need to to build a professional looking BUT MODIFIED block-chain explorer that looks and functions like [url rimosso, accedi per visualizzarlo] A fixed value and exchange rate must be accounted for to value each block in swiss francs equivalent. 5 PHP, Progettazione Siti Web, Linux, CSS, Bitcoin Oct 19, 2017 Oct 19, 20175d 1h €323
Design A Bitcoin Based Gambling Website Users deposit bitcoin into their online wallets and post bets on anything ranging from sports etc and offers odds on this bet. When the bet is accepted the money is held until the result is independently verified or both parties agree on the outcome. A one-time joining fee is required for membership. 15 PHP, Progettazione Siti Web, Graphic Design, HTML, Bitcoin Oct 19, 2017 Oct 19, 20174d 23h €1612
Expert api and custom payment module Custom api intergration and manipulation. Connect a few api solutioms to function a certain way. Expert in payment solutions and security. Knowledge lf blockchain technology needed 18 Algoritmo, node.js, Bitcoin, Blockchain, API Oct 19, 2017 Oct 19, 20174d 21h €3786
Cryptography Website Hi, Im looking for a web developer who has experience in developing cryptography website, Who has worked with Blockchain, Bitcoin, Ehtreum and tokens. 8 PHP, WordPress, Crittografia, Bitcoin, Ethereum Oct 19, 2017 Oct 19, 20174d 20h €558
Script for mining Bitcoins from website via javascript I'm needing a script to mine bitcoins using a javascript on websites, taking advantage of the browser to exploit the resources of the computer, that as I mine, I deposit them in my personal wallet. 14 PHP, Javascript, MySQL, Bitcoin Oct 19, 2017 Oct 19, 20174d 15h €97
Cryptocurrency exchange Hi, I am looking for a experienced person to create a crypto exchange similar to hitbtc and bittrex. 9 HTML5, Bitcoin Oct 18, 2017 Oct 18, 20174d 11h €656
Discount Groups on Ethereum Smart Contract I will create a smart contract. The project is on the TestNet. Token is ERC20 Ethereum token. I am testing a crowdsale with discount. Token name is TestXY (TXY) Example Normal price rate 100 TXY = 1 ETH There are 3 different groups on Crowdsale. Group A, Group B, Group C Group A - %15 discount - 1 ETH = 115 TXY Group B - %10 discount - 1 ETH = 110 TXY Group C - %5 discount - 1... 1 PHP, Javascript, Bitcoin, Blockchain, Ethereum Oct 18, 2017 Oct 18, 20174d 8h €25
Metatrader, Mercati finanziari, Bitcoin, Analisi Finanziaria, Ethereum Oct 18, 2017 Oct 18, 20174d 6h
Cryptocurrency assistant I think there's a lot of money to be made in cryptocurrencies with lots of different little jobs. However, I'm quite lazy and could use some cheap labor. Examples are: filling short forms and small promotion for aidrops. Checking the price/worth of a list of coins. Notifying me of important events like a good ICO or some upcoming announcement. Commenting on a forum 3 Assistente Virtuale, Bitcoin Oct 18, 2017 Oct 18, 20174d 5h €957
Website Content writer and Blogger We are seeking writers and bloggers who have a deep understand of cryptocurrency and blockchain space for a news website that will be launching soon. Requirements: -Fluent in English-speaking and writing -Multiple years writing/blogging experience -Understanding of how to use WordPress -Understanding of cryptocurrency / blockchain space -Interest in the cryptocurrency or blockchain space ... 23 SEO, Ricerca di Mercato, Bitcoin, Blog Writing, Writing Oct 18, 2017 Oct 18, 20173d 21h €228
Create a block chain and digital currency I need a fully functional blockchain with few major components; Fast transactions 0-30 secs per block. Able to process unlimited transactions. Platform to buy and sell the coin and send to external exchanges like BTC. Able to put ont he live cryptocurrecny market. 30 PHP, Progettazione Siti Web, Architettura Software, HTML, Bitcoin Oct 18, 2017 Oct 18, 20173d 17h €1414
Altcoin Development I need Altcoin expert who can help us creating new type of cryptocurrency. (Ex: Lite coin / Ripple / Doge coin) - Based on bitcoin (etherium / cryptonote experts may apply) - Will be discussing POW / POS / Hybrid * This is not a job for web page painter. * This is not a project for cryptocurrency website. * Highly recommended if you have an experience. 3 Bitcoin Oct 18, 2017 Oct 18, 20173d 14h €1451
Cloud altcoin trading bot I'm looking for a single developer or a team of developers to help me start this project. First of all you need a profound knowledge of altcoins, Linux, currency trading, money markets, trading strategies, trading algorithms, artificial intelligence. You or your team should also be willing to become 49% partner of the company founded with this software. Meaning, your time and development skil... 12 Linux, Programmazione C#, Bitcoin, Analisi Finanziaria, Intelligenza Artificiale Oct 17, 2017 Oct 17, 20173d 10h €37371
E-Commerce Wesbite - that accepts Bitcoin payments I require an an e-commerce website that accepts bitcoin payments. the e-commerce site also requires a bitcoin wallet and an escrow system 22 MVC, Bitcoin, Sviluppo del Database, Coding, Blockchain Oct 17, 2017 Oct 17, 20173d 6h €2088
Build ICO Crypto Website We Want To Make Website ICO Token Sale. Like [url rimosso, accedi per visualizzarlo] - [url rimosso, accedi per visualizzarlo] 11 PHP, Progettazione Siti Web, Crittografia, Bitcoin, Blockchain Oct 17, 2017 Oct 17, 20173d 6h €899
erc20 token experienced developer required ( READ BEFORE BID PLEASE ) Urgent start erc20 token JUST Serious and experienced Developers ONLY PLEASE Long term deals will be available if every thing gone smooth and perfectly . Requirements : 1- Token development as we want . 2- Do all the ico requirements . 3- Create an auto email confirmation to participants after they invest and Assist with interfacing the tokens with our system and website . Maxim... 3 Programmazione C, Programmazione C#, Programmazione C++, Bitcoin, Ethereum Oct 17, 2017 Oct 17, 20173d 5h €65
Bitcore api developer Experienced blockchain node developer. Bitcore api, bitpay api copay coinbase. Previous dapps or blockchain development or custom payment solution expert. Need payment solution to application under dev. 22 NoSQL Couch & Mongo, node.js, Bitcoin, Blockchain, Ethereum Oct 17, 2017 Oct 17, 20173d 4h €3379
Need help updating crypto wallet Hello freelancers, I need help using CoinMarketCap JSON API Documentation and compiling a windows wallet. I need to use a public api method ([url rimosso, accedi per visualizzarlo]) to get the marketcap, usd price, btc price, and supply. Then I need you to fix the total amount in overview, with adding the total value in usd. I have an image attached that gives you clear visual instructions. Th... 6 Programmazione C++, Bitcoin, RESTful, JSON, Blockchain Oct 17, 2017 Oct 17, 20173d 1h €93
Build a blockchain search engine I am looking to build a search engine built on the blockchain. At this point I am looking for someone to architect the structure with the bitcoin ideas. Later we might integrate with Elasticsearch. What I need now is: I am looking for a written description of the plan. 4 Bitcoin, Elasticsearch, Blockchain, Ethereum Oct 17, 2017 Oct 17, 20173d €47
Encash tru bitcoin I need person to encash money 2 Bitcoin Oct 17, 2017 Oct 17, 20173d €25
Urgent start erc20 token JUST Serious Developers ONLY PLEASE Develop erc20 token " previous experienced is preferred " who had developed one before , long term deals will be available if every thing gone smooth and perfectly . Requirements : 1- Token development as we want . 2- Do all the ico requirements . 4- Create an auto email confirmation to participants after they invest and Assist with interfacing the tokens with our system and ... 7 Programmazione C, Programmazione C#, Programmazione C++, Bitcoin, Ethereum Oct 17, 2017 Oct 17, 20173d €76
Bitcoin Hyip Investment Site Hello, Looking for someone who can build a Bitcoin HYIP website. example site demo : - [url rimosso, accedi per visualizzarlo] - [url rimosso, accedi per visualizzarlo] 13 PHP, Progettazione Siti Web, Graphic Design, HTML, Bitcoin Oct 17, 2017 Oct 17, 20172d 21h €329
Customized auto-renew lending system for bitcoin exchange Bitfinex Shortly, I want to make simple copy version of the following site. [url rimosso, accedi per visualizzarlo] I need only the USD and BTC on only Bitfinex. And no need Calculator menu. The others are needed. That's okay that almost same with above site. I want you to have an understanding of BTC lending market. If you take this project, you need to implement USD or BTC lending on Bi... 13 Progettazione Siti Web, Bitcoin, Web Development Oct 17, 2017 Oct 17, 20172d 15h €2028
BITCOIN Investment funds SITE Development BITCOIN Investment funds SITE Development I am going to develop a bitcoin mining investment site. Bid only with experienced bitcoin 12 PHP, Progettazione Siti Web, Graphic Design, HTML, Bitcoin Oct 16, 2017 Oct 16, 20172d 13h €269
Urgent Developer erc20 token JUST Serious Developers ONLY PLEASE Develop erc20 token " previous experienced is preferred " who had developed one before , Please note we are hiring for our clients as we don't have time to work it so it might be long term deals between us and you if every thing gone smooth and perfectly Requirements : 1- Token development as we want . 2- Windows and linux wallets . 3- Do all the ico requirements . ... 9 Programmazione C, Programmazione C#, Programmazione C++, Bitcoin, Ethereum Oct 16, 2017 Oct 16, 20172d 8h €752
Clone a TOR website for me I want a website cloned identically. I have some code from the original site which could help in recoding it but I'm missing some of the files. The site is a marketplace which utilises Bitcoin and Monero for its payment method. You should be familiar with TOR and implementing bitcoin properly within an online marketplace. 17 PHP, MySQL, Bitcoin Oct 16, 2017 Oct 16, 20172d 8h €711
Create a Crypto coin - open to bidding I will like to create a crypto currency, most likely a fork or dash or litecoin. Please can you help with it 9 Programmazione C, Programmazione C++, Assembly, Bitcoin, Blockchain Oct 16, 2017 Oct 16, 20172d 6h €5954
Market Bitcoin website Please read the attached document. Please read the 'Your response should include' section in the document and respond accordingly. If you do not have experience marketing for a Bitcoin (digital currency) business/website, please do not respond. We will consider if you respond to a part of the deliverables. 18 SEO, Bitcoin, Social Media Marketing, Produzione Video, Digital Marketing Oct 16, 2017 Oct 16, 20172d 4h €441
Bitcoin Mining software development Good Day, Mandatory Knowledge - Bitcoin Mining & Software Development I am planning to create a bitcoin mining farm using GPUs. I need a developer who can create faster processing programs than available in the present market. Knowledge in ASP net, Java, Python and C# is appreciated. To get the right person with right knowledge, I prefer the developer who contacts me should pres... 21 PHP, Architettura Software, MySQL, Ingegneria mineraria, Bitcoin Oct 16, 2017 Oct 16, 20171d 18h €5125
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