Bitcoin İşler ve Yarışmalar

You can earn money at Freelancer.com by using your bitcoin skills.

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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Freelancer'da İşlere Göz Atın

Proje/Yarışma Tanım Tekilfler/Girdiler Beceriler Başlangıç Bitiş Fiyat (EUR)
Crypto Wallet Portal BTCTENT.com What i need is : •A secure Crypto website that accepts deposits from the public and store their coins •A payment network which let them transfer crypto-currencies to each other fast and securely Secure Crypto Wallet Abstract Virtual currencies and mobile banking are technology advancements that are receiving increased attention in the global community because of their accessibil... 27 PHP, Bilgisayar Güvenliği, Bitcoin, İnternet Güvenliği, Blockchain Dec 11, 2017 Bugün6g 23s €1003
Create a Cryptocurrency Exchange App for Me Through this app, users can buy and sell Bitcoin, Litecoin, Ethereum, Dash, Bitcoin Cash . - Main functionality would be managing data from and to the app, from admin, user and database. - Sending of coin transactions would be done by admin manually. He will only enter transactions id which would then stored in database, thus would be visible to user. - Reading blockchain for Deposits. ... 25 PHP, Mobile App Development, iPhone, Android, Bitcoin Dec 11, 2017 Bugün6g 21s €2379
X11 COIN - Block reward split in three parts Dear we need Block chain developer for x11 coin. Coin already functional and we need split block reward in to three parts. 1: 45% to miners who will mine. 2: 45% will equally divide wallets who have 1000 Coins 3: 10% to self development wallet we need Block chain experienced developers, we don't deal on BTC or any other currency or platform. 10 C++ Programlama, Bitcoin, Blockchain, Ethereum Dec 11, 2017 Bugün6g 20s €7251
digital selling forum needy What I need is simple, a system of deposit in guarantee for some system of forums where the users can load money to their accounts (bitcoin, altcoin) and open requests of deposit in guarantee with other members of the forum and can release disputes or cancel the event. I also need to have a feedback system Basically the idea is to create a forum where users can sell their digital products, i... 1 PHP, Web Sitesi Tasarımı, Yazılım Mimarisi, HTML, Bitcoin Dec 11, 2017 Bugün6g 20s €37
Want to create website same as litecoinpool.org ( minign pool ). Hello concurrency developer, We want to create mining pool same as [url kaldırıldı, görüntülemek için giriş yapın] send your proposal in detail with corporate format. We do not accept without proposal. Thank You.... 15 PHP, Javascript, Bitcoin, Angular.js, Web Development Dec 11, 2017 Bugün6g 19s €9620
PHP, C Programlama, Web Sitesi Tasarımı, Yazılım Mimarisi, Bitcoin Dec 10, 2017 Bugün6g 18s
Trader or seller bitcoin needed , simplle transfer required ! I have to exchange my balance here (which is more then 700$ ) into bitcoins in a simply and secur Transfer. Im unfortunaly unable to withdral my founds from here,just because im a new user and have to wait some day to verify my Profil completly. So my mistake was that ive just deposit all of that i has in my card here, so as you thing i donthave anything next days im gonna pay double in advanc... 23 Muhasebe, CSS, Metatrader, Finans, Bitcoin Dec 10, 2017 Bugün6g 18s €476
Secure bitcoin BTC / ETC/ LTC Online Secure wallet . Hello, I need a professional programmer to make a bitcoin wallet website for me . A very professional script and smooth to use . Something smiliar like [url kaldırıldı, görüntülemek için giriş yapın] or [url kaldırıldı, görüntülemek için giriş yapın] Anyone Can do that ? Thank you, 29 PHP, Web Sitesi Tasarımı, e-Ticaret, HTML, Bitcoin Dec 10, 2017 Bugün6g 18s €1742
Cryptocurrency Exchange Website I want an initial consult with a professional who can tell me what is required in the design and security of a website that you would create to provide users the ability to trade between cryptocurrencies? 24 PHP, Web Sitesi Tasarımı, Grafik Tasarımı, HTML, Bitcoin Dec 10, 2017 Bugün6g 16s €29
Blockchain developer and Cryptocurrency Expert Looking for block-chain developer and cryptocurrency expert. Someone who has proven expertise in bitcoin 21 Web Sitesi Tasarımı, Bitcoin, Blockchain, Ethereum Dec 10, 2017 Bugün6g 14s €27
Cryptocurrency Wallet Developer We are looking for someone who does have an impeccable expertise in creating Cryptocurrency wallets ,namely BTC,ETH,RIPPLE,LITECOIN,IOTA,BITCOIN CASH. 7 PHP, Web Sitesi Tasarımı, Grafik Tasarımı, Yazılım Mimarisi, Bitcoin Dec 10, 2017 Bugün6g 10s €1098
bitcoin and etherium job I need someone trustworthy for a long time job 21 PHP, Web Sitesi Tasarımı, Grafik Tasarımı, Blog Yükleme, Bitcoin Dec 10, 2017 Bugün6g 9s €123
Bitcoin Guru Required Altcoin/Bitcoin specialist required to help understand and develop POC's for Mobile apps/SW to mine for Crypto currency and auto deposit into bespoke eWallets (with additional functionality). - Processing power. - Infrastructure requirements and API interfaces. - ROI. - Architectural diagrams. - Limitations and constraints. - Legalities. - Implementation (CAPEX) and OPEX costs. - Al... 1 Bitcoin, Mobile App Development, PHP, SQL Dec 10, 2017 Bugün6g 7s €42
build me a cryptocurrency. digital currency on the basis of bitcoin. 15 PHP, Javascript, Python, C++ Programlama, Bitcoin Dec 10, 2017 Bugün6g 7s €3254
bitcoin stock market we will monitor all stock exchange software 17 PHP, Web Sitesi Tasarımı, Yazılım Mimarisi, HTML, Bitcoin Dec 10, 2017 Bugün6g 5s €106
Blockchain instructor Looking for a blockchain educator/instructor to create online video courses. Each course will be about one hour long. Course topics may include information about Crypto Currencies, Blockchain, ICOs, Crypto Trading, etc. Content should be in English. 4 Bitcoin, Blockchain, Eğitim & Özel Ders, İngilizce (İngiliz), Ethereum Dec 10, 2017 Bugün6g 4s €108
Altcoin iOS Wallet (Like Dash) I need an iPhone app. I would like it designed and built. I want a crypto coin wallet for an altcoin that is based on X11 algorithm like Dash. I just need the basic functions. Receive/Send coins, view balance and maybe export private key. We can talk about the price. 10 Mobile App Development, iPhone, Bitcoin Dec 10, 2017 Bugün6g 4s €168
Bitcoin and Etherium Job I need someone trustworthy for a long time job 14 Bitcoin, Ethereum Dec 10, 2017 Bugün6g 3s €37
PHP Expert for Coinbase API Integration We are urgently looking for a PHP expert who can work closely with our backend team and integrate Coinbase PHP library to facilitate communication between our JAVA backend and blockchain network. Additional experience with blockchain technology and cryptocurrencies is a huge plus. 7 PHP, Bitcoin, Blockchain, Ethereum, API Dec 10, 2017 Bugün6g 2s €9
Bitcoin trading bot I require a Bitcoin trading bot to trade on Bitmex. The bot will place orders in the exchange based on some conditions which I will provide. I also require a GUI to be built which will broadcast information about the market, positions and orders. This project will have several subsequent steps, such as adding more complicated conditions for placing orders, and adding more exchanges. Below is... 18 Python, Bitcoin Dec 10, 2017 Bugün6g 2s €24
Blockchain and Java Backend Expert We are urgently looking for a blockchain and java backend expert who can help our backend team to create the next-gen cryptocurrency exchange wallet in India. We would prefer if you have previous experience in working on bitcoin/ethereum wallet services or APIs which we can integrate in our backend to facilitate wallet creation, address generation and payment processing. Please write 'I ... 10 PHP, Java, Yazılım Mimarisi, Bitcoin, Blockchain Dec 10, 2017 Bugün6g 1s €10
Cryptocurrency Exchange I require a cryptocurrency exchange to be built as an Australian company that supports deposit of Australian dollars via different payment means and exchange of bitcoin, litecoin, ethereum and NEO. I require it to be a secure platform where 2 factor authentication for login. Functionally needs to be secure with an easy to use interface. 37 PHP, C Programlama, Web Sitesi Tasarımı, Yazılım Mimarisi, Bitcoin Dec 10, 2017 Bugün6g €21941
Create a cryptocurrency exchange website Hi, We would like to launch our own cryptocurrency exchange platform where users could buy and sell there cryptocurrency, something similar to [url kaldırıldı, görüntülemek için giriş yapın] If you cannot make it similar to [url kaldırıldı, görüntülemek için giriş yapın] then please give me an URL in your bid of a website you would be able to copy.... 23 PHP, Javascript, Web Sitesi Tasarımı, MySQL, Bitcoin Dec 10, 2017 Bugün6g €697
Custom Wordpress plugin to use bitcoin api I need a custom Wordpress plugin to exchange from eur to btc and and withdrawal function here is api [url kaldırıldı, görüntülemek için giriş yapın] I want to have wallet balance display and see pending orders and be able to stop pending orders. here is an example of a php wrapper that could make your task easyier. [url kaldırıldı, görüntülemek için g... 3 PHP, jQuery / Prototype, Bitcoin, CSS3, API Dec 10, 2017 Dec 10, 20175g 23s €23
Bitcoin Roulette, Dice, Casino I need someone to make me a btc casino fast! 13 PHP, Web Sitesi Tasarımı, Grafik Tasarımı, HTML, Bitcoin Dec 10, 2017 Dec 10, 20175g 20s €123
I need a new Cryptocurrency like based on smart contract these are the feature i need 1. Algorithm Selection: Scrypt Hybrid (PoS & PoW), Scrypt PoW, SHA-256 PoW 2. Currency Name and abbreviation Selection 3. Unique Merkle hash and Genesis block 4. Unique alert keys with private certificate 5. Custom logo and images 6. Windows Wallet 7. Linux Wallet 8. Compiled Linux Daemon 9. Compiled Source Code (For website + Github) 10. Mining of Firs... 9 PHP, Javascript, Web Sitesi Tasarımı, Bitcoin Dec 9, 2017 Dec 9, 20175g 18s €1175
Antminer L3+ setup and pool I have bought an antminer L3+ and I need some to help me set it up. Please bid if you can help and start by saying what pool you are going to suggest that is most profitable. 4 Sistem Yöneticisi, Bitcoin, Ağ Yönetimi Dec 9, 2017 Dec 9, 20175g 18s €257
Bitcoin trading bot I’m looking for a software developer that is able to build me a bitcoin trading bot if interested please send me over previous projects that relate to this one thank you 13 Yazılım Mimarisi, Metatrader, Beyin Fırtınası, Bitcoin, API Dec 9, 2017 Dec 9, 20175g 11s €377
Blockchain technology Looking for someone to design and build a Blockchain for cryptocurrency looking to complete this project in the next couple weeks need someone with great communication skills in English that I’m able to communicate my ideas to if interested please contact me back for us to be able to see how can we work on this project thank you 17 Yazılım Mimarisi, Beyin Fırtınası, Bitcoin, Blockchain, Ethereum Dec 9, 2017 Dec 9, 20175g 10s €1011
Wordpress plugin api Hello freelancers, thanks for reading. I need a custom Wordpress plugin to exchange from eur to btc and and withdrawal function here is api [url kaldırıldı, görüntülemek için giriş yapın] I want to have wallet balance display and see pending orders and be able to stop pending orders. here is an example of pre made code [url kaldırıldı, görüntülemek i&... 5 PHP, Javascript, WordPress , jQuery / Prototype, Bitcoin Dec 9, 2017 Dec 9, 20175g 10s €82
ASIC BitCoin Miner 14Th/s or Better I need my own version of the AntMiner s9. Should be able to give 14Th/s output here is the link of the device... [url kaldırıldı, görüntülemek için giriş yapın] OR find me the supplier product name: 1- ASIC S9 Bitcoin Miner 14 GH/s ( price $1000 +/- $100) 2- ASIC S9 Bitcoin Miner 13.5 GH/s ( price $1000 +/- $100) 3- Bitcoin Antminer S9 13.5 ( price $1000 +/- $... 8 Mühendislik, Elektronik, Üretim, Yazılım Mimarisi, Bitcoin Dec 9, 2017 Dec 9, 20175g 9s €635
Onion store with bitcoin payment. Need a very simple .Onion store where can be placed several pictures for the products, some description, that only works with bitcoin payment. The stores needs to have the ability to offer the products showcased in the store and sell them processed through the bitcoin server, offering wallets in the system to each registered customer. From that credit they can purchase their orders, place ship... 22 PHP, Web Sitesi Tasarımı, e-Ticaret, HTML, Bitcoin Dec 9, 2017 Dec 9, 20175g 8s €144
Bitcoins and Etherium Looking for a trustworthy person for long term cryptocurrenrency job. send a message for job description 17 Bitcoin, Ethereum Dec 9, 2017 Dec 9, 20175g 7s €353
Build a website with cryptocurrency exchange platform. Hi ! We are looking developers who can make us cryptocurrency exchange platform on linux env. Only crypto - crypto exchange module. 32 PHP, Web Sitesi Tasarımı, Grafik Tasarımı, HTML, Bitcoin Dec 9, 2017 Dec 9, 20175g 4s €993
Create a Coin Crypto Currency I need someone to create a coin (token) for me. I have the name and want this on the Ether network 15 e-Ticaret, Bitcoin Dec 9, 2017 Dec 9, 20175g 2s €475
Bitcoin Miner , Antminer or Avalon needed i am looking for bitcoin 50 pieces Antminer S9 13.5 TH/S Miner or Avalon 7.3 TH/S Miner with a reasonable price and immediate delivery . 5 Veri Madenciliği, Bitcoin Dec 9, 2017 Dec 9, 20175g 1s €367
Cryptocurrency & Bitcoin Expert Needed I am looking for a Cryptocurrency & Bitcoin expert to work on various projects I have. 23 PHP, Web Sitesi Tasarımı, Yazılım Mimarisi, HTML, Bitcoin Dec 9, 2017 Dec 9, 20174g 23s €675
Fix my crypto wallet error I have a wallet which is not confirming transactions. please check this screenshot. Only experienced. 7 C Programlama, Kriptografi, C++ Programlama, Bitcoin, Blockchain Dec 9, 2017 Dec 9, 20174g 21s €36
Cryptocurrency Payment gateway api i need one person can create api for proccess payment currency , ETH,BTC 10 PHP, Javascript, Yazılım Mimarisi, MySQL, Bitcoin Dec 9, 2017 Dec 9, 20174g 21s €38
Cryptocurrency Exchange - 09/12/2017 02:31 EST Project will be a cryptocurrency Exchange, a user will have an account + wallet for each currency. user will be able to deposit/withdraw Fiat the user will be able to deposit/withdraw cryptocurrency. charts with analysis tools trade cryptocurrencies ( 7-10 currencies ) a website similar to my idea : [url kaldırıldı, görüntülemek için giriş yapın] / polonei... 24 PHP, Web Sitesi Tasarımı, Yazılım Mimarisi, HTML, Bitcoin Dec 9, 2017 Dec 9, 20174g 21s €18090
Solidity Developers 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.... 8 Kriptografi, node.js, Bitcoin, Blockchain, Ethereum Dec 9, 2017 Dec 9, 20174g 21s €16
Need Block chain Technology speaker for Workshop Introduction Blockchain Blockchain Durability and robustness Cryptography Hashing Consensus methods Distributed ledger Peer-to-peer network Decentralization Idea of Crypto currencies like Bitcoin, Etherium, Ripple Smart contracts Build Sample decentralized blockchain App Test and deploy decentralized application 6 node.js, Bitcoin, Blockchain, Ethereum Dec 9, 2017 Dec 9, 20174g 19s €1126
Directory submissions, Link building THE TASK: You need to search for Bitcoin/ Cryptocurrency directories and sites about bitcoin & altoins that list merchants who accept bitcoin and/or altcoins and submit our 3 sites on them. Meaning link our 3 sites. We will give you our link, title & description. You must submit us at least 50 sites to choose from. (some Bitcoin & Altcoin forums are OK too) Job is to submit to 25 of t... 16 Elektronik Pazarlama, SEO, Link Oluşturma, Reklam, Bitcoin Dec 8, 2017 Dec 8, 20174g 12s €27
Cryptocurrency Exchange Project will be a cryptocurrency Exchange, a user will have an account + wallet for each currency. user will be able to deposit/withdraw Fiat the user will be able to deposit/withdraw cryptocurrency. charts with analysis tools trade cryptocurrencies ( 7-10 currencies ) a website similar to my idea : [url kaldırıldı, görüntülemek için giriş yapın] / polonei... 24 PHP, Web Sitesi Tasarımı, Yazılım Mimarisi, HTML, Bitcoin Dec 8, 2017 Dec 8, 20174g 11s €13017
Blockchain developer and Cryptocurrency Expert 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 6 Kriptografi, C++ Programlama, Bitcoin, Blockchain, Ethereum Dec 8, 2017 Dec 8, 20174g 11s €18
Sell products at Bitcoin Sell products to people at bitcoin [url kaldırıldı, görüntülemek için giriş yapın] 10 PHP, Web Sitesi Tasarımı, e-Ticaret, HTML, Bitcoin Dec 8, 2017 Dec 8, 20174g 8s €7865
Build a cryptocurrency wallet service for ethereum, bitcoin and litecoin We would like to build a crypto service like exactly like coinbase that enables users to buy, sell and store the major 3 crypto currencies and track how they are performing as investments. (Ethereum, Bitcoin and Litecoin). We would like to use as many APIs as possible from other services. 43 PHP, Web Sitesi Tasarımı, Mobile App Development, MySQL, Bitcoin Dec 8, 2017 Dec 8, 20174g 8s €1394
Building Cryptocurrency site exactly like litebit.eu 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... 27 PHP, Web Sitesi Tasarımı, Kriptografi, Bitcoin, Programlama Dec 8, 2017 Dec 8, 20174g 6s €1809
Lending program, smart contract, Erc20 token 1. I want a standard Erc20 token to swap with our previous token that is not upto standard. You will create the standard erc20 token and swap it with the previous one. 2. I want a lending program like [url kaldırıldı, görüntülemek için giriş yapın], were investors can deposit bitcoin and exchange it with our own erc20 token to lend it to us and withdraw interest after every ... 20 C Programlama, C++ Programlama, Bitcoin, Blockchain, Ethereum Dec 8, 2017 Dec 8, 20174g 3s €1483
Cryptonight - CryptoNote Expert Hello, We looking for an Expert on CryptoNight Crypto-Currency. We need create an coin basis on cryptonight. How need know RPC and Json Config for this algo. We will create coin with premine. We hire only Freelancer was created an coin in cryptonight already. Thx you 23 node.js, Bitcoin, JSON, Ethereum Dec 8, 2017 Dec 8, 20173g 21s €445
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