Bitcoin 工作与竞赛

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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项目/竞赛 描述 竞标数/参赛作品数 技能 已开始 结束 价格(HKD)
BITCOIN Website need on urgent base (Only Experienced ) we need multiple bitcoin currencies transfer. 21 PHP, 网站设计, 平面设计, HTML, Bitcoin Jan 20, 2018 今天6天 22时 $1605
i need crytocurrency exchange website Kindly read the details carefully before bidding on this project. This project requires extra ordinary programming skills and a strong knowledge of the crypto economy. "I need a Crypto Exchange Website" with mobile apps done. I will discuss further details when I have shortlisted. Thank You 26 PHP, 网站设计, 软件构架, Bitcoin, Blockchain Jan 20, 2018 今天6天 21时 $123558
Develop cryptocurrency exchange to trade Bitcoin, altcoins and ERC20 tokens BTC Altcoin exchange like [链接已删除,请登录查看] and [链接已删除,请登录查看] Please only people who had developed altcoin exchanges will consider. Please don't provide open-sourced exchange platform. We will ignore these offers. Please send an offer with your portfolios related to exchange development and crypto related [链接已删除,请登录查看], the offers will be ignored. We are a team of the developers and need... 2 软件构架, Golang, Bitcoin, Ethereum Jan 19, 2018 今天6天 18时 $37239
Blockchain developer cryptocurrency needed long term, serious person Hi, I am looking for a blockchain developer, multiple projects, serious person. Option to choose for salary or stake in the project, need someone committed. Please write me when you are interested. Thanks 31 PHP, C 编程, Java, 软件构架, Bitcoin Jan 19, 2018 今天6天 14时 $266
Bitcoin Source Compile We need to compile the bitcoin opensource code, we need to develop our new bit currency. So we need a programmer with a experience in bit currency projects. Please rate your bids in the comments when replying. 14 PHP, C 编程, Python, 软件构架, Bitcoin Jan 19, 2018 今天6天 14时 $1001
Build me a Crypto Exchange Kindly read the details carefully before bidding on this project. This project requires extra ordinary programming skills and a strong knowledge of the crypto economy. "I need a Crypto Exchange Website" with mobile apps done. I will discuss further details when I have shortlisted. Thank You 8 PHP, 密码学, MySQL, Bitcoin, Blockchain Jan 19, 2018 今天6天 12时 -
ethereum smart contract Looking for someone to develop an ethereum smart contract for an ICO. Looking for someone to create a coin. 24 软件构架, Bitcoin, 软件开发, Blockchain, Ethereum Jan 19, 2018 今天6天 11时 $40662
crypto currienceis and mlm script I need a custon mlm script to use with eth cryptocurrency and the 500.000.000 cryptocurriense in the name of joingroewth with the symbol jgt 9 PHP, 网站设计, 软件构架, HTML, Bitcoin Jan 19, 2018 今天6天 8时 $3029
crypto coin exchange website I am looking for experience crypto currency developer to create coin exchange website. you should have very good knowledge on block chain and coin like bitcoin, ethereum etc. please provide me your past work. 23 PHP, 网站设计, 平面设计, HTML, Bitcoin Jan 19, 2018 今天6天 7时 $11272
Crypto Exchange Platform We need an expert who has created a cryptocurrency exchange platform. Where users does buy and sell and using multiple digital currency. Please keep in mind we are putting heavy investments on this and we want you to show your past work on crypto exchange platform you have worked in 40 PHP, C 编程, C# 编程, 软件构架, Bitcoin Jan 19, 2018 今天6天 7时 $263257
CRYPTOCURRENCY Traders and expert consultants We are seeking for cryptocurrency consultants and EXPERTS who know how to build content for a teaching class we are doing about crypto. We also need any expert that has had success in your coin trading to demonstrate to others how easily it can be done and what to look for, the principles and the practice. If you accomplish this first phase successfully, you will be permanently hired to teac... 6 会计, 密码学, 大数据, Bitcoin, Ethereum Jan 19, 2018 今天6天 5时 $34737
Cryptocurrency Exchange Script - Bitcoin, Ethereum, Ripple etc... Cryptocurrency Exchange Script - Bitcoin, Ethereum, Ripple etc... 18 PHP, Java, HTML, Bitcoin, Redis Jan 19, 2018 Jan 19, 20185天 23时 $11240
Decentralized Cryptocurrency Exchange We need to implement a decentralized cryptocurrency exchange for exchanging a selected set of 10 cryptocurrencies, including our own coin. The decentralized exchange must be user friendly, easy to use and very scalable. 21 亚马逊网络服务, C++编程, Bitcoin, Angular.js, Blockchain Jan 18, 2018 Jan 18, 20185天 17时 $12436
Crypto Coin Creation We are interested in developing a new a new privacy Cryptocurrency. We would need assistance with Development Services such as a Wallet App for Android and iOS. The Crypto Coin Creation. Also open to suggestions about Crypto Coin Mining, Pool Mining, Coin Web Wallet, (ICO) Development, MLM Software Development, and Smart Contract Development. I know that I mentioned a lot. 47 PHP, C 编程, 安卓, 软件构架, Bitcoin Jan 18, 2018 Jan 18, 20185天 16时 $36129
Pamm scrypt system We need Pamm scrypt system [链接已删除,请登录查看] we need pamm script system mast do BTC withdraw / deposit affiliate procent for transaction profit for admin % API choice attach to any trade platform 15 PHP, Javascript, 软件构架, HTML, Bitcoin Jan 18, 2018 Jan 18, 20185天 13时 $3846
Need to add 5 Coins to Peatio CryptoCurrency Exchange Script Hello we are running Peatio on our exchange and need to add 5 coins, XRP,XMR,XLM,ETH,ETC 14 PHP, Ruby on Rails, MySQL, UNIX, Bitcoin Jan 18, 2018 Jan 18, 20185天 7时 $1071
Exp Developer for geth customization with blockchain and go lang We are looking for a good developer or a team for 2 projects Blockchain Trading website / hyperledger /Smart Contracts, Golang to customize ethereum core : main conditions 1- fully secured 2- you should have done this type of work before 3- you should know what is bitcoin and aware of bitcoin trading 4- handle many transactions in the same time. Thank you 3 Golang, Bitcoin, Blockchain, Ethereum Jan 18, 2018 Jan 18, 20185天 7时 $258
Cryptocurrency Exchange Script - Bitcoin, Ethereum, Ripple etc... Cryptocurrency Exchange Script - Bitcoin, Ethereum, Ripple etc... 36 PHP, Java, HTML, Bitcoin, Redis Jan 18, 2018 Jan 18, 20185天 7时 $33447
Find ICO Website Developer with high skills Hello, everyone! I need your help to develop my ICO website. If you are a ICO expert, please bid on my project. I will explain my more details to a proper candidate over chat. Thanks in advance. 29 PHP, Javascript, 网站设计, HTML, Bitcoin Jan 18, 2018 Jan 18, 20185天 7时 $4401
blockchain - save hash with low fees i want to save a hash to the blockchain with the transactions fees to be as low as possible, please only bid if you've already done a similar project - basically i need a page from where i can enter the hash with a "send" button to submit the transaction (the important here is to have almost no fee per transaction) 12 PHP, Bitcoin, Blockchain, Ethereum Jan 18, 2018 Jan 18, 20185天 4时 $6816
I would like to hire an Article Writer "Connected" is an online platform that helps people to find experts (chat/video call). Anyone from architects to Italian chefs, tutors, doctors, lawyers, etc. Instant payment system - credit card payments/cryptocurrencies. We are launching soon on App store and prepare for ICO. Need PR and publicity recognition. 26 市场, Article Writing, Bitcoin, Blockchain Jan 18, 2018 Jan 18, 20185天 2时 $423
Build Ethereum online Wallet for ERC20 token Hi, i have custom ERC20 token that build using Ethereum smart contract, and i need online wallet for members to manage this token with PHP & MySQL I used to be using free service like [链接已删除,请登录查看], but i want more simple functions, already made modification from MyEtherwallet on [链接已删除,请登录查看] , but want to be more simple than that, no need swap ether, or display all custom token, just our ... 15 PHP, Javascript, Bitcoin, Blockchain, Ethereum Jan 18, 2018 Jan 18, 20185天 1时 $2337
HIring a cryptocurrency expert for building a mining rig - need some advice on building our own mining rig for cryptocurrencies - provide us a list of everything we need to buy for building our own mining rig - after we purchase everything, guide us through how to set up and answer our questions. *We are looking for passionate developers who care about quality and efficiency that we can have a long-term collaborative relationship with . If you thin... 16 密码学, Bitcoin Jan 18, 2018 Jan 18, 20184天 20时 $4175
Copy Site and finalize art and connect the coins The project consists of the following steps: 1. Copy of the art of the site that is almost finished. 2. Include the following digital coins. BTC, ADA, BCH, DASH, ETH, ETC, LTC, XMR, XRP, XLM, ZEC these being the basis and quota for the BTC, example ADA / BTC, XRP / BTC. 3. You need to include a page for the client's wallet your deposits and withdrawals. wallet [链接已删除,请登录查看] 4. ... 23 PHP, 网站设计, 软件构架, HTML, Bitcoin Jan 17, 2018 Jan 17, 20184天 19时 $4010
Integrate Crypto Currency Wallet to Exchange Site I'm developing the cryptocurrency exchange system. I Need to integrate the Crypto wallet such as Bitcoin, Ethe, Ripple, Ada, ... into my site. I need to create and manage separate wallet for each account or similar solution for easy wallet management and less cost for withdrawing. The scope includes handover of source code and related documentation and Application Demo Welcome to everyone! 38 软件构架, Bitcoin, Blockchain Jan 17, 2018 Jan 17, 20184天 19时 $10935
New ecommerce store (clothing based) I need a new website. I need you to design and build a website for my small business. The web store is based around selling clothes and accessories. I want quite a different look to most webstores, would like it very colourful, different shapes etc. Would like some information on how i can accept cryptocurrencies as a payment option. Optional that prices to be shown like this: 0.01BTC ($100). Very... 52 PHP, 网站设计, 电子商务, Bitcoin Jan 17, 2018 Jan 17, 20184天 16时 $2438
find a very good bitcoin mining software for me to use or help myself invest money, or find me very high investment returns find a fast software for me to mine bitcoin and/ or help me invest my money into someting that will earn me lots of money 17 PHP, 网页搜罗, 软件构架, 数据挖掘, Bitcoin Jan 17, 2018 Jan 17, 20184天 12时 $1010
create new altcoin with independent ecosystem (no ICO) Create a new altcoin with under 2 sec transaction confirmation time with PoS concept. I DONT WANT ANY ICO. need fork wallet web wallet CPU mining capability including browser mining security 2 sec to instant confirmation with 100 TPS operation. premine 13 软件构架, 密码学, Bitcoin, Blockchain, Ethereum Jan 17, 2018 Jan 17, 20184天 10时 $5581
Bank to alt/neo plan, (trading)bot needed Dear Freelancers, We would like to have/make a site like: [链接已删除,请登录查看] [链接已删除,请登录查看] Where people can do banktransfer and get mostly NEO (later on other coins?) back for it to their wallet. No wallet function on the site. Directly transfer etc. There must be a constant trading bot / exchange connection behind the site so neo is bought and transfered when a banktransfer is done at the fro... 12 Bitcoin, Ethereum Jan 17, 2018 Jan 17, 20184天 7时 $117
Need a Team / Advisors to launch an ICO | Fin Tech Company In the quest of running a successful ICO, we have decided to add more team members to our list. We currently need 7 persons to join our team. We are planning a global business Fin Tech solution that would be situated in UK. Currently we are looking for Individuals that will help us accomplish our set goals after we have successfully raised funds via ICO. Team will be responsible for the tot... 22 法律, 市场, 技术支持, Bitcoin, Web Development Jan 17, 2018 Jan 17, 20184天 7时 $8934
VA for bitcoin blogger I am looking for a VA to assist me. The hours are from 1 PM to 10 PM EST when I'm available. If you have writing ability that is good. If you know about bitcoins that is even better. This is long term. Starting pay is $2 an hour. Tell me something about your experience with writing or bitcoins. 8 文案写作, 虚拟助手, Article Writing, Bitcoin, Blog Writing Jan 17, 2018 Jan 17, 20184天 7时 $23
Crypto Currency Exchange Web App Needed We are looking to get developed Crypto Currency Exchange web app on which frontend should be Angular JS and Beckend should be Node Js. Project will be awarded after checking the 50% work on our project as well as first milestone will also be released. Where we could connect APIs easily of Bitcoin, Etherum, Ripple and two more. All the modules should be separated like if one goes down it should no... 4 Java, 平面设计, 密码学, Bitcoin, Blockchain Jan 17, 2018 Jan 17, 20184天 6时 $5449
*CRYPTOCURRENCY COPIER / ROBOT* ***SHORT OVERVIEW*** When master trades, The subscribers should receive the same trade in whatever type of risk they chose A) Either % but based on their balance B) Fixed % - Trades should be executed instantly on all accounts even if there are thousands and regardless of broker. That is including changes or any stop loss or take profits etc too. --- When the master platform is given he... 19 密码学, Bitcoin, 软件开发, Blockchain, Ethereum Jan 17, 2018 Jan 17, 20184天 4时 $9122
Anti-Counterfeit Platform on Blockchain We want to make an application which will help consumers and producers fight counterfeit goods. Our solution can be implemented in any industry and in any country. With rare exception, approval from federal agencies is not required, but might be beneficial for expediting systems integration. After passing a certain market threshold, using our system, or one of the same type, will become critically... 2 PHP, 软件构架, C++编程, Bitcoin, Blockchain Jan 17, 2018 Jan 17, 20184天 4时 $8672
Need a cryptocurrency expert actively trading at bittrex for our new start-up CryptoJogi.com We want an expert who can predict the prices of different cryptocurrencies, tradeable at bittrex exchange. We are not expecting 100% success rate, nor we will invest money based on these predictions. All we want is to populate our recent start-up ([链接已删除,请登录查看]) with good number of mostly successful predictions. The terms are as follow: The winning bidder of this project will be: 1. posting ... 3 财务调查, Bitcoin Jan 17, 2018 Jan 17, 20184天 1时 $12806
crypto mining i need the best cheapest providers for products to mine crypto currencies chips, or cellphones if needed etc and also a financial statement for return on investment with and without taking account of electricity bill best one wins 0 Bitcoin Jan 17, 2018 Jan 17, 20183天 22时 $156
help me to set up hidden crypto miner Project details here : [链接已删除,请登录查看] Note: No need to develop from scratch. monero is the preferred coin. so only please the big if you already have the working pre-develop[ed solution. Happy bidding. Best regards, Raja. 2 密码学, Bitcoin, Ethereum Jan 17, 2018 Jan 17, 20183天 21时 $195
Download Bitcoin blockchain and create API for wallets We have built a web site for Bitcoin and other cryptocurrency wallets and we need a specialist who can download the blockchain on our server and create the API for the user wallets and API for the Merchant option. Basically fully functional Bitcoin wallet. 49 PHP, 软件构架, HTML, Bitcoin, Blockchain Jan 17, 2018 Jan 17, 20183天 20时 $10271
BITCOIN EXCHANGE BRAZIL BTC/BRL I WANT A BITCOIN EXCHANGE. IS AN EXCHANGE FOR BITCOINS IN BRAZIL, IN THIS FIRST MOMENT I DONT NEED ANOTHERS COINS, IT WILL BE AN UPGRADE. FOR NOW, JUST BITCOIN. I WANT TO FOLOW EXACTLY THE WEBSITE IN BRAZIL (.[链接已删除,请登录查看]) CALLED BITCOINTRADE. PLEASE, GOOGLE IT BEFORE MAKE ME A PROPOSAL. Any exchange software should have these 4 different components working together: 1. The first compone... 25 PHP, C 编程, Linux, 软件构架, Bitcoin Jan 16, 2018 Jan 16, 20183天 14时 $7357
Blockchain Developer We need a blockchain wallet built to store our custom token along with an integrated marketplace within the wallet. View [链接已删除,请登录查看] for an example. 20 电子商务, Bitcoin, Blockchain, Ethereum Jan 16, 2018 Jan 16, 20183天 12时 $5464
Crypto Currency POC Proof of concept 'private use' crypto-currency application. Some amendments to the existing Bitcoin code base for use within an organisation as a proof of concept. Will also need basic wallet functionality. Successful bidder will need to work alongside our UK based software team. Successful POC will lead to additional stages. At this stage, need to understand the expertise and capabil... 15 Bitcoin, Blockchain, C++编程, Python, 网站设计 Jan 16, 2018 Jan 16, 20183天 7时 $97575
CryptoCurrency Exchange I want to hire a decent charging person who knows how to start a bitcoin exchange in India. Location only Delhi. only interested people revert [链接已删除,请登录查看] knowledge about languages and have a lot of time to spend on it with high energy to become a part of something big. [链接已删除,请登录查看] Login/Password 2-Factor Authentication 2. Api Client 3. Bitcount Exchanging 4. Bitcoin Operations Transfe... 7 PHP, 网站设计, 软件构架, MySQL, Bitcoin Jan 16, 2018 Jan 16, 20183天 6时 $7045
Bitcoin / BlockChain bug fix Only bid bit coin and block chain expert 2 PHP, 网站设计, Mobile App Development, Bitcoin, React.js Jan 16, 2018 Jan 16, 20183天 3时 $133
Ready Made Cryptocurrency Exchange Need Ready Made Cryptocurrency Exchange Script References - [链接已删除,请登录查看] [链接已删除,请登录查看] Modules we need: 1) A user account system that allows users to register, maintain a balance, deposit and withdraw BTC and other currencies, also place buy and sell orders. Integrate this, with a payment processor to support currency deposits and withdrawals. 2) A matching engine that looks at the current buy ... 8 网络安全, Bitcoin, Blockchain, Ethereum Jan 16, 2018 Jan 16, 201810天 3时 $22173
Ethereum crypto customization developer needed with golang and blockchain exp. Looking for a good developer or a team for 2 projects Blockchain Trading website / hyperledger /Smart Contracts, Golang to customize ethereum core : main conditions 1- fully secured 2- you should have done this type of work before 3- you should know what is bitcoin and aware of bitcoin trading 4- handle many transactions in the same time 5- I prefer if you have a ready demo or features that you ca... 3 PHP, Golang, Bitcoin, Blockchain, Ethereum Jan 16, 2018 Jan 16, 20183天 2时 $70
Company is searching for head (lead) developer Job will include overseeing the work being done by other developers, report to manager new project structurisation. Project is related to cryptocurrency so you need good knowledge about blockchain,bitcoins, tokens and other crypto related stuff. Requirements - LinkedIn profile older than 3 months needed and previous experience. 37 PHP, Javascript, HTML, Bitcoin, Ethereum Jan 16, 2018 Jan 16, 20183天 $153
Bitcoin and other lite-coins selling site(NOT Exchange) - open to bidding Accept payment in fiat and after payment (Payment approval needed in case of wire payment to bank) user will be able to buy cryptocurrency from his balance and immediately transfer to his own wallet address. 14 Python, 软件构架, Bitcoin, Blockchain, Ethereum Jan 16, 2018 Jan 16, 20182天 23时 $11139
ICO/Crowdsale Development We need to issue a crowdsale based on Ethereum(ERC) or anything else you would [链接已删除,请登录查看] ICO website has been completed. What we only need is to create our own token and release it. The integration will be done from our side with the APIs provided by the crowdsale. 20 Bitcoin, Ethereum Jan 16, 2018 Jan 16, 20182天 22时 $3643
forum posters in bitcoin talk forum I need 3 people with bitcoin [链接已删除,请登录查看] accounts to post at least 3 times per day on my thread each for 1 week 4 论坛发贴, Bitcoin, Blockchain, Ethereum Jan 16, 2018 Jan 16, 20182天 22时 $143
Create ICO Wizard - token sale clone We are wondering having a script like this one : https://wizard (dot) oracles (dot) org Please post your bid, only bid if you know what you're doing and you've needed skills, also please try to make a short list on how do you will proceed with this project (steps) 26 PHP, Javascript, 密码学, Bitcoin, Ethereum Jan 16, 2018 Jan 16, 20182天 22时 $4831
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