Bitcoin งานและการประกวด

You can earn money at 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

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, 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.

ลงทะเบียนเพื่อเริ่มต้นสร้างรายได้ คุณคือ a Bitcoin Expert หรือ? คุณสามารถสร้างรายได้จากการทำงานเหล่านี้!

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โปรเจค/การประกวด คำอธิบาย ประมูล/ผลงาน ทักษะ เริ่มต้น สิ้นสุด ราคา (USD)
complete bitcoin exchange with top 10 currencies Details specs will be provided in separate communication I need completed bitcoin trading exchange with top 10 currencies. It needs to have complete user registeration, id verification, exchange walltet, send receive coins and most important unbreakable security. 46 HTML, node.js, Bitcoin, Angular.js, Web Development Feb 20, 2018 วันนี้6 ว 21 ชม. $3806
Need Bitcoin(BTC) in my coinbase wallet I need Bitcoin in my coinbase or coinpot wallet 0 PHP, ออกแบบเว็บไซต์, สถาปัตยกรรมซอฟต์แวร์, HTML, Bitcoin Feb 20, 2018 วันนี้6 ว 19 ชม. -
Smart Contract Expert Need a smart contract expert to rewrite a smart contract. I want to implement a lock of tokens in the smart contract. Which means the people who bought tokens will see the tokens in their mew but wont be able to move it till a certain date. This date should be changeable by the owner. Some examples are remme, car vertical. 2 Bitcoin, Blockchain, Ethereum Feb 20, 2018 วันนี้6 ว 19 ชม. $577
Neoscrypt Coin with Masternodes I I require a crypto currency coded with masternodes using Neoscrypt algorithm. Coin will be based off a pre-existing coin so just need to change the wallet design, and other simple values(name,supply,premine, reward per block). Then recompile wallet for linux/windows. Only bid if you know how to do this (meaning not your first time trying) 5 Bitcoin, Ethereum Feb 20, 2018 วันนี้6 ว 17 ชม. $413
simple btc web-wallet PLEASE, ONLY BID IF YOU *PERSONALLY* ARE: 1) The actual coder of my project (see description below); 2) Ready to work, on a per hour basis with me (I am a beginner programmer) - in real-time (via Teamviewer and Skype); 3) *Very knowledgeable* about how bitcoin wallets work (since I am); 4) *Proficient* with bitcoin *public* libraries (bitcoin core, bitcoinj...); 5) Ready to *first* ... 6 Bitcoin, Blockchain Feb 19, 2018 วันนี้6 ว 17 ชม. $13
Cold Storage Wallets (BTC, ETH, NEO, NEM, LTC, XMR, DASH) - No Asian! Looking for someone with experience in Cold Storage Wallets, creating private keys offline. We would prefer someone with experience handling all wallets mentioned in the title but open to people with experience with just some. We are collecting funds for an ICO, and need secure offline wallets. All other questions or concerns from the applicant can be asked during interview phase. 11 PHP, วิศวกรรม, สถาปัตยกรรมซอฟต์แวร์, MySQL, Bitcoin Feb 19, 2018 วันนี้6 ว 15 ชม. $543
Looking for an experienced individual to create an ICO website. Must have an relevant experience and show previous work Platform will need to as a minimum: * Create Bitcoin and Ethereum Based Wallets using node method * Stagger ICO Sales * Full Back End Admin Further information will be provided to the right candidate, as for turnaround time its going to be 14 days or less. 11 Bitcoin, Laravel, Design, Blockchain, Ethereum Feb 19, 2018 วันนี้6 ว 14 ชม. $933
Need a test software to simulate SHA 256 cryptocurrency Hash Rate Hi everyone, We are launching a Cryptocurrency SHA 256 Mining Pool website and system and we need to run some test to get the proper hash rate(per miner received), in other word we just want to test the receiving the hash rate that the mining software is sending, we believe it send only numbers of their speed which is what we need to simulate, It is like a simulator to run test speed to mak... 5 Linux, สถาปัตยกรรมซอฟต์แวร์, Bitcoin Feb 19, 2018 วันนี้6 ว 11 ชม. $503
Fixing Issues on cryptocurrency wallet (only one hour job) I want to see someone who has excellent Blockchain skills. Because I have some problem on setting up the server. Thanks. 4 PHP, การเขียนโปรแกรม C, สถาปัตยกรรมซอฟต์แวร์, MySQL, Bitcoin Feb 19, 2018 วันนี้6 ว 10 ชม. $41
ASIC Bitcoin Design, Research, Development We have budget to make ASIC. Let me know how to build and production ASIC. we want to know how to make bitcoin ASIC device. we have budget for making ASIC product. we also Want to know EMS company to publish ASIC 7 การเขียนโปรแกรม C, Bitcoin, Ethereum Feb 19, 2018 วันนี้6 ว 4 ชม. $240905
Create a cryptocurrency We are looking to create a new cryptocurrency and need an experienced developer that can develop and update our coin. This should be very straightforward for someone with experience in C hence the size of the project. This project is nothing fancy, just taking the source code and changing the parameters to it. The winner will be given the new parameters after having a few initial discussio... 15 การเขียนโปรแกรม C, การเขียนโปรแกรม C#, การเขียนโปรแกรม C++, Bitcoin Feb 19, 2018 วันนี้6 ว 2 ชม. $1284
Set Up Software for mining Ethereum I have a rig with 6 ASUS 580 motherboard and need to have it fully integrated with an Ethereum mining pool. 5 Bitcoin, การบริหารเครือข่าย, บริการเว็บไซต์, Ethereum Feb 19, 2018 วันนี้6 ว 1 ชม. $124
Fork a Ripple wallet depository We are looking for freelancers who can help us fork a ripple wallet depository and improve the end user experience. Tasks to be accomplished: - Fork a Ripple wallet depository - Improve the End User Experience. The ideal partner will be very familiar with Ripple network. Please show me some of your previous made websites. More things will be discussed in the chat. Only offer if... 3 PHP, ออกแบบเว็บไซต์, สถาปัตยกรรมซอฟต์แวร์, Bitcoin, Blockchain Feb 19, 2018 วันนี้6 ว $7050
Write a Whitepaper for Cryptocurrency ICO project Dear Sir, Madam, I am looking for a professional and experienced Whitepaper for a new ICO. The freelancer should have an MBA. 15Pages+ with very good market research, including references to trade and economics supported with Charts. This is for a very specific market. I will give you information about the product, and then the writer should adapt it to the WhitePaper. No Plagiarism ... 57 การเขียนทางเทคนิค, eCommerce, Bitcoin, Blockchain, Ethereum Feb 19, 2018 Feb 19, 20185 ว 23 ชม. $920
Wlox Exchange - API Integration I will send you the requirement 24 PHP, Javascript, node.js, Bitcoin, Blockchain Feb 19, 2018 Feb 19, 20185 ว 19 ชม. $135
need bitcoin node setup I need your help in setting up bitcoin node. Please bid only if you can do it. Please bid only if you have done it. Please show me working node on teamviewer so that I will know that you have done it. I need node setup in 1 day 13 Bitcoin Feb 18, 2018 Feb 18, 20185 ว 6 ชม. $457
developing trade system of cryptocurrency exchange We are developing Cryptocurrency Exchange web platform. We are looking for a person who can develop trade part of this system. Trading system should develop professionally like others professional exchanges with High performance (capable of processing millions orders per second) So we are looking for team member who is: • Expertise on API developing • Expertise on forex • ... 23 Bitcoin, ปัญญาประดิษฐ์, Blockchain, Ethereum Feb 18, 2018 Feb 18, 20185 ว 1 ชม. $9323
Build Cryptocurrency Exchange Platform We are looking for freelancers who can build us a Cryptocurrency exchange like [url ถูกลบ เข้าสู่ระบบเพื่อดู] with few other features added. Users will be able to signup and exchange Cryptocurrencies with each other AND on other exchanges, the API of other exchanges will be integrated, meaning that if a user signs up on my website and wants to buy Ripple (and no other users on my site is currentl... 7 PHP, Javascript, ออกแบบเว็บไซต์, HTML, Bitcoin Feb 18, 2018 Feb 18, 20185 ว 1 ชม. $5097
ICO web site design with kyc and affiliate need great modern looking ICO website in same style as [url ถูกลบ เข้าสู่ระบบเพื่อดู] it will have whitelist, kyc, affiliate program, member area, newsletter or auto responder built in. site is one page and member area is one page. affiliate stats shown. 16 ออกแบบเว็บไซต์, HTML, Bitcoin, Blockchain, Ethereum Feb 18, 2018 Feb 18, 20184 ว 22 ชม. $620
Bitcoin mining expert I want a bitcoin mining expert to develop a automated bitcoin mining program to install on my computer that will use my computer and I get paid maximum bitcoins for doing so. 8 PHP, การเขียนโปรแกรม C, Python, สถาปัตยกรรมซอฟต์แวร์, Bitcoin Feb 18, 2018 Feb 18, 20184 ว 19 ชม. $29
need correction in signup and some more work hi, our website is [url ถูกลบ เข้าสู่ระบบเพื่อดู] I need through teamviewr : 1 : need signup work. (we need new api of coinbase add, accidentally deleted so error come). 2 : verification email logo need to change. 3 : after Login. it show MST Value 47.6 (I want to change it - need to know how). 4 : After Login - it give to buy option - it show two column - one show MST and one show INR - ... 2 PHP, Javascript, MySQL, HTML, Bitcoin Feb 17, 2018 Feb 17, 20184 ว 14 ชม. $23
CRYPTO PLATFORM WE LOOKING FOR EXPERT CODER WITH EXPERIENCE IN CRYPTOS ------------------- PLACE BID ONLY IF U HAVE ALREADY COMPLETE A SIMILAR PROJECT ------------------- Platform need to be able to buy sell bitcoin / eth / Xrp User must be able to register complete first order of max 100 Eur and after complete identification with [url ถูกลบ เข้าสู่ระบบเพื่อดู] user have also to complete verification... 23 PHP, ออกแบบเว็บไซต์, Bitcoin, Blockchain Feb 17, 2018 Feb 17, 20184 ว 7 ชม. $2918
install altcoins for cryptocurrency exchange We are currently working on Cryptocurrency Exchange platform. We are looking for knowledgeable team member who can add new altcoins to our platform. Responsibilities: • Install altcoins on server • Install token on server • Writing api for coin RPC interface • (IOTA, NEO, DASH, Dogecoin, Ripple, etc ….) • (Status,Eos,Trot,Tehter,etc …) Requi... 15 Bitcoin Feb 17, 2018 Feb 17, 20184 ว 2 ชม. $948
Blockchain Creation for a new POS/POW coin We are looking for someone that is able to create a new POS/POW coin. We have around a 7 days deadline We have the the original code we want to fork from. But need a few changes and also the wallets and block explorer creation. Let us know your past experience in this area and how quick you are able to do this. Thank you 17 การเขียนโปรแกรม C, วิทยาการเข้ารหัสลับ, Bitcoin, Blockchain, Ethereum Feb 17, 2018 Feb 17, 20184 ว 2 ชม. $3125
CREATE A NEW CRYPTOCURRENCY Project Description I am looking for someone who can create a new crytocurrency and put it on coinmarketcap and also on trading [url ถูกลบ เข้าสู่ระบบเพื่อดู] should be capable of premine option percentage for the genesis block for the [url ถูกลบ เข้าสู่ระบบเพื่อดู] project includes. 1. Creation of new cryptocurrency. 2. Creation of website to promote the cryptocurrency with usecases. 3. C... 17 PHP, Java, สถาปัตยกรรมซอฟต์แวร์, การเขียนโปรแกรม C++, Bitcoin Feb 17, 2018 Feb 17, 20184 ว 1 ชม. $1140
Need to build a website similar to CoinMarketCap Looking for someone that can build an website similar to [url ถูกลบ เข้าสู่ระบบเพื่อดู] with a fully functional Altcoin chart. 36 PHP, Codeigniter, MySQL, HTML, Bitcoin Feb 16, 2018 Feb 16, 20183 ว 14 ชม. $1224
Blockchain expert Hello, everyone. I am building a coin. I need the qtum smartcontract forked to work with our current coin if you have rich experience, let me know your experience and budget, timeline Thanks 2 PHP, ออกแบบเว็บไซต์, สถาปัตยกรรมซอฟต์แวร์, MySQL, Bitcoin Feb 16, 2018 Feb 16, 20183 ว 14 ชม. $26
*** Ethereum smart contracts & web development expertise *** (for blockchain project) GENERAL: Experience in creating complex smart contracts on Ethereum platform is needed. Should have prior experience in initial coin offering projects and blockchain based products. ENVIRONMENT: Solidity, Ethereum Virtual Machine (EVM), NodeJS, Geth, TestRPC, Truffle v4, Atom, web3 JS API, MetaMask/MIST, Html, Css, Javascript frameworks, SQL Server 2012, Windows Server 2012 SPECIFIC: -... 5 Javascript, การวิจัยทางกฎหมาย, Bitcoin, Blockchain, Ethereum Feb 16, 2018 Feb 16, 20183 ว 11 ชม. $3251
Create an ICO website asap Hello Please have experience in creating ICO website. I am looking to accept eth. I am looking to create an erc20 token. 24 Bitcoin, Ethereum Feb 16, 2018 Feb 16, 20183 ว 10 ชม. $731
Cryptocurrency live data and historical chart integration (WORDPRESS) I have a Wordpress theme with BuddyPress component and need to integrate cryptocurrency market data and charts into BuddyPress. I need someone serious and dedicated to my project. Therefore please DO NOT bid if you are working on several projects at the momet, and ONLY BID if you have past experience working with cryptocurrency market data project (eg. exchange APIs) with Wordpress. I am l... 13 PHP, WordPress, HTML, Bitcoin, API Feb 16, 2018 Feb 16, 20183 ว 7 ชม. $200
Cryptocurrency Lending Plattform I need a Lending Platform incl. ICO and QT Wallet for the POS and an internal exchange. Like this: [url ถูกลบ เข้าสู่ระบบเพื่อดู] I will pay for your work and additional 3% of the ICO in the best case about 250k. 8 PHP, Bitcoin, Design, Blockchain, Web Development Feb 16, 2018 Feb 16, 20183 ว 6 ชม. $178266
Experienced Blockchain Experts Needed ( C++ ) Hello All, For one of the blockchain projects, we want to empower our team with additional blockchain experts which have decent experience in this field. The following experiences are mandatory: - Good C++ Programming skills - Several past experiences on blockchain projects ( Bitcoin fork projects ) - Knowledge of Master Nodes - Knowledge of Atomic SWAPs If you feel to suit above ski... 9 การเขียนโปรแกรม C++, Bitcoin, การพัฒนาซอฟต์แวร์, Blockchain Feb 16, 2018 Feb 16, 20183 ว 4 ชม. $4480
Create a new crypto currency Hello everybody! I want you to create a new open source crypto currency, such as ethereum, bitcoin, dogecoin .... You will develop the solution Crypto ICO (Initial Coin Offering): trade, lending, affiliate marketing. Bitcoin Wallet Development, Crypto Coin Creation, Crypto Coin Mining, Bitcoin Pool Mining, Crypto Coin Explorer, Development of monetization, Coin Web Wallet, Blockchain... 40 PHP, ออกแบบเว็บไซต์, ออกแบบกราฟิก, สถาปัตยกรรมซอฟต์แวร์, Bitcoin Feb 16, 2018 Feb 16, 20183 ว 3 ชม. $2850
Linux Mining Software Looking for developer versed in ubuntu/linux to alter, change or develop a mining currency software. 10 Python, Linux, วิศวกรรมเหมืองแร่, Bitcoin, Ubuntu Feb 16, 2018 Feb 16, 20183 ว 2 ชม. $373
crypto exchange we need a crypto exchange like binance or poloniex bitfinex. 23 การเขียนโปรแกรม C, การรักษาความปลอดภัยของคอมพิวเตอร์, สถาปัตยกรรมซอฟต์แวร์, วิทยาการเข้ารหัสลับ, Bitcoin Feb 16, 2018 Feb 16, 20183 ว 2 ชม. $4833
Bounty campaign for VR Games ICO We need to create, launch and run bounty campaign for VR Games ICO [url ถูกลบ เข้าสู่ระบบเพื่อดู] Pls reply with your relevant expertise. 10% of bounty budget to be rewarded to campaign manager 13 Bitcoin, Blockchain, Ethereum Feb 16, 2018 Feb 16, 20182 ว 18 ชม. $926
Block Chain Developers to develop my project (i want to create my Token not coin please ). Only Serious Bidders. Hello Freelancers / Companies, I am looking for the Block Chain Developers must have experience atleast on 1 project . let me clear you that i am not looking to create my coin etc . i am just looking to Token Functionality . As there are two type of projects one is to create own coin and generate coins and the other one is to simply create token not coins etc... Please confirm if you can really do... 21 HTML, Bitcoin, Angular.js, Blockchain, Ethereum Feb 16, 2018 Feb 16, 20182 ว 18 ชม. $2758
Crypto Wallet Programming I am designing a crypto wallet and need some help on how i could create a custom app on android OS. If you know more about block- chains let me know, I'd love to know more and would also want to add this into the app as well. 49 การเขียนโปรแกรม C, Java, Android, Bitcoin, Blockchain Feb 15, 2018 Feb 15, 20182 ว 15 ชม. $1682
Crypto Arbitrage Trading Bot - 1 extra Altcoin Exchange 1 Days work for an expert. Please DO NOT post a generic / Auto responser / copy & paste “contact me” / "we have 10 developers". Do Respond to 'specific points' in the Requirement Specification below in order to be considered. This is a 1st test project and there will be more work afterwards IF successful. PLEASE only apply when you meet the following requi... 7 PHP, Apache, วิทยาการเข้ารหัสลับ, Bitcoin, Blockchain Feb 15, 2018 Feb 15, 20182 ว 13 ชม. $3037
Bitcoin Hardfork We are a small company that is introducing a new kryptocurrency with a bitcoin hardfork. At the moment we are doing several testing. We are searching a freelancer to support in future needs. For example - make a working wallet were you can get/earn coins without running a full node. - getting high level contact to exchanges so that they support us - does basic support auf our cores 20 PHP, สถาปัตยกรรมซอฟต์แวร์, คณิตศาสตร์, Bitcoin Feb 15, 2018 Feb 15, 20182 ว 7 ชม. $39
Looking for Senior c# and CryptoCurrency knowledge Looking for someone with knowledge about Crypto Currencies and Crypto mining 23 การเขียนโปรแกรม C, การเขียนโปรแกรม C#, สถาปัตยกรรมซอฟต์แวร์, Bitcoin Feb 15, 2018 Feb 15, 20182 ว 6 ชม. $31
I Need a New POS Cryptocurrency Hi I need a new POS cryptocurrency that uses masternodes (obviously). I don't mind if you adapt an existing coin. It has to have some sort of selling point, please contact me with any ideas you have. I also need you to make a wallet that can be downloaded form the website. thanks for your interest 17 Javascript, Bitcoin, Coding, Blockchain, Ethereum Feb 15, 2018 Feb 15, 20182 ว 5 ชม. $1277
Program Crypto Exchange Portal We are looking for a reliable partner for small money about 3-4 pages created for us, with some nice graphics where it is possible to sell bitcoins in real time 5-10 percent below current price and buy 5-10 percent above current price, the function of a sell and buy button with the current selling and buying course of Bitcoin. In addition, an automated Zahlunsgabwicklung with sending the bitcoins... 4 PHP, ออกแบบเว็บไซต์, สถาปัตยกรรมซอฟต์แวร์, HTML, Bitcoin Feb 15, 2018 Feb 15, 20182 ว 2 ชม. $24
Decentralized Domain Names Service expert is needed I want to create an own coin with Decentralized Domain Names Service, Decentralized SSL Service, Decentralized not bid if you know nothing about it 26 PHP, ออกแบบเว็บไซต์, ออกแบบกราฟิก, DNS, Bitcoin Feb 15, 2018 Feb 15, 20182 ว 1 ชม. $7595
hard-forked bitcoin core code 1.hard-forked bitcoin core code / or on X11 algorithem [url ถูกลบ เข้าสู่ระบบเพื่อดู] program [url ถูกลบ เข้าสู่ระบบเพื่อดู] of consensus [url ถูกลบ เข้าสู่ระบบเพื่อดู] protection of replay attack [url ถูกลบ เข้าสู่ระบบเพื่อดู] deployment and capability of node hosting [url ถูกลบ เข้าสู่ระบบเพื่อดู] pool [url ถูกลบ เข้าสู่ระบบเพื่อดู] of pre-mine 8. Wallet [url ถูกลบ เข้า... 22 Bitcoin, Blockchain, Web Development Feb 15, 2018 Feb 15, 20181 ว 22 ชม. $419
ICO marketing partner VR Games ICO [url ถูกลบ เข้าสู่ระบบเพื่อดู] in search for marketing partner. Pls inquire only experienced ICO marketers with decent portfolio. Up to 10% of ICO gross. 12 Bitcoin, Ethereum Feb 15, 2018 Feb 15, 20181 ว 18 ชม. $419
VR Games ICO ANN at Topicstarter needed for VR Games ICO ANN at [url ถูกลบ เข้าสู่ระบบเพื่อดู] [url ถูกลบ เข้าสู่ระบบเพื่อดู] We like [url ถูกลบ เข้าสู่ระบบเพื่อดู] as a sample of good work. Pls PM with your best Bitcointalk ICO ANN topicstarter (done by you) 5 Bitcoin, Ethereum Feb 14, 2018 Feb 14, 20181 ว 17 ชม. $102
Cryptocurrency Automatic Exchange.. Cryptocurrency Automatic Exchanger.. The idea is processing e-money exchange by sending and receiving e-money in exchange of several payment methods , All transactions should be confirmed using API or the Blockchain for each e-bank and also could be processing manually if the administrator would like to. User Levels Agent Groups Discount levels Available currencies Available E-Banks Ava... 27 PHP, OSCommerce, MySQL, Bitcoin Feb 14, 2018 Feb 14, 20181 ว 14 ชม. $2259
Blockchain Ethereum smart contract solution I wish to build a Blockchain and Ethereum smart contract system Prototype. Looking for expert who have experience building similar solution 30 สถาปัตยกรรมซอฟต์แวร์, Bitcoin, Blockchain, Ethereum Feb 14, 2018 Feb 14, 20181 ว 8 ชม. $5102
bitcoin exchange I need a bitcoin exchange website 23 PHP, ออกแบบเว็บไซต์, eCommerce, HTML, Bitcoin Feb 14, 2018 Feb 14, 20181 ว 4 ชม. $2186
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