Bitcoin Práce a soutěže

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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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Projekt/Soutěž Popis Nabídky/Návrhy Dovednosti Zahájeno Končí Cena EUR
Creating Mining Pool For My Coin 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. 11 PHP, Python, C++ programování , Bitcoin, Blockchain Jun 19, 2018 Dnes6d 20h €599
Blockchain Expert Required 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. 16 PHP, Softwarová architektura, MySQL, Bitcoin, Blockchain Jun 19, 2018 Dnes6d 19h €1268
ICO crowdsale smart contract 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. 5 Bitcoin, Blockchain, Ethereum Jun 19, 2018 Dnes6d 16h €97
Create coin and wallet -- 2 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. 13 Linux, Softwarová architektura, Bitcoin, Programování, Blockchain Jun 19, 2018 Dnes6d 16h €1261
Any one know Block Chain Anyone who knows block chain in detail , need some one who knows detail in token system , and can sell and buy coins using BitCoins. 16 PHP, Softwarová architektura, Bitcoin Jun 19, 2018 Dnes6d 15h €162
Angobit.com blockchain education, cryptocurrency exchange 31 PHP, Softwarová architektura, Bitcoin, Blockchain Jun 19, 2018 Dnes6d 13h €1159
Urgent;y require ICO crowdsale smart contract 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. 9 Bitcoin, Blockchain, Ethereum Jun 19, 2018 Dnes6d 13h €236
ICO marketer 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. 10 Internetový Marketing, Potenciální kontakty, Bitcoin, Ethereum Jun 18, 2018 Dnes6d 6h €252
online casino 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,. 15 PHP, Web design, Grafický design, HTML, Bitcoin Jun 18, 2018 Dnes6d 1h €5750
Extend functionality of WordPress Crypto Currency Theme 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 ... 14 PHP, Javascript, WordPress, CSS, Bitcoin Jun 18, 2018 Jun 18, 20185d 22h €210
analysis of smart contracts Аnalysis of smart contracts, exchanges, marketplaces. Data to assemble into an excel files. The Specification is in the attachment. 6 Bitcoin, Ethereum Jun 18, 2018 Jun 18, 20185d 21h €160
Crypto sender software -- 2 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. 19 Javascript, CSS, Softwarová architektura, Bitcoin, Programování Jun 18, 2018 Jun 18, 20185d 17h €7523
bitcoin SEPA transfer app personal use only Hi so i had an app made but it's not sending out any bitcoin. I have decided not to use API as they require and take out bitcoin from wallet address. Instead of a wallet, I want to transfer the bitcoin out of my app to SEPA transfer bank transfer. Were does my bitcoin come from? It comes from thin air as the user inputs the amount in the app. Fees? Any fee must come out launchpad. It must ... 7 PHP, Linux, Android, Apache, Bitcoin Jun 18, 2018 Jun 18, 20185d 15h €133
MASTERNODE COIN FORK 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. 18 C++ programování , Bitcoin, Blockchain, Ethereum Jun 18, 2018 Jun 18, 20185d 15h €856
Help start Blockchain / Cryptocurrency (Experts ONLY) 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... 34 Kryptografie, C++ programování , Bitcoin, Blockchain, Ethereum Jun 18, 2018 Jun 18, 20185d 14h €2586
Need Highly Skilled & Experienced Blockchain Developers to build a Decentralized Criminal Record Platform Need skilled Blockchain developers for our project. Interested people can send us your resumes along with previous work experience. 16 Bitcoin, Blockchain, Ethereum Jun 18, 2018 Jun 18, 20185d 11h €3580
launch weekly on call CakePHP already built solutuon support ON CALL support and minor fixes for a Cake PHP solution for launch, needed, for a week (solution is ready for launch) 13 PHP, Web design, Grafický design, CakePHP, Bitcoin Jun 17, 2018 Jun 17, 20185d 4h €183
SANA - A platform to share medical records 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. 13 Javascript, C++ programování , Bitcoin, Blockchain, Ethereum Jun 17, 2018 Jun 17, 20184d 19h €142
Ico platform within erc20 exchange 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 23 Bitcoin, Blockchain, Ethereum Jun 17, 2018 Jun 17, 20184d 17h €5164
Core developer Advisor We are looking for technology consultant who can be part of our advisor team for our under development fintech product that is going to use crypto currencies, smart contracts and possibly blockchain technology. You will be part of the audit team of our technical development documents, help find best practices and consult on security. 14 Bitcoin, Blockchain, Ethereum Jun 16, 2018 Jun 16, 20184d 5h €40
Advisor On BlockChain and Cryptocurrency We are launching our company VirSymCoin [pro zobrazení URL se přihlaste] and are in need of individuals who are knowledgeable to join our team. We are pursuing investors for the company. We need like minded people who will propel this company forward once we get the investment funds. Not money driven, but success driven people only our business model ensures this business will be successful... 11 Softwarová architektura, Bitcoin, Blockchain, Ethereum Jun 16, 2018 Jun 16, 20183d 19h €23
New cryptocurrency with tokens, smart contracts and more I require a new cryptocurrency similar to ethereum with a few differences: -no mining -no transaction fees -instant secure transactions -tokens -smart contracts -icos -direct exchange to and from main currency and tokens based on exchange rates -exchange rate is based on buy/sell orders I will need wallet, block explorer, and the tokens creation, smart contract tools etc all set up. This will be... 40 Bitcoin, Blockchain, Ethereum Jun 15, 2018 Jun 15, 20182d 20h €12359
Mining pool for 51% attack Hello, I need a personal mining pool for a SHA-256 51% attack. It is for test, experience and personnal use. I won't do any harm to any ecosystem. You can use any free available open source that you will custom to achieve this project (example : [pro zobrazení URL se přihlaste]) 6 Mobile App Development, Bitcoin, Blockchain, Ethereum Jun 15, 2018 Jun 15, 20182d 18h €201
Mining Logo Design Cryptocurrency Mining Company logo design. conditions 1...To use a picture of a drum. 2...Company name is "Barrel Miner" 81 Web design, Grafický design, Tvorba log, 3D design, Bitcoin Jun 15, 2018 Jun 15, 20182d 15h €26
Adding cryptocurrency to exchange We are looking for sb who will be responsible for adding our cryptocurrency - primestone to exchanges - coinbase and other. Payment for each successful action. 22 Zadávání dat, Bitcoin, Blockchain, Ethereum Jun 14, 2018 Jun 14, 20182d 2h €819
Crypto Platform cryptocurrency trading platform 46 PHP, Web design, Softwarová architektura, HTML, Bitcoin Jun 14, 2018 Jun 14, 20181d 23h €46
Crypto Exchange Platform Please don't bidding if you never created an crypto exchange platform before! We want to create a crypto exchange platform such as Indodax or Yobit. Note for the website: 1. Has 3 markets. 2. Each coin has a wallet installed on our website. 3. Each token wallet address has the same wallet address as the ethereum wallet. 4. Voting System. 5. And others. Note for the freelance bidder: 1. Thi... 34 Algoritmy, Bitcoin, Blockchain, Ethereum, Web Development Jun 14, 2018 Jun 14, 20181d 22h €1166
Make a Crypto Currency Exchange 2 Hi, I am looking for individual or a team of experts who have wise experience in making Crypto Currency Exchange . More details with the chosen one. Thanks 15 Matlab a Mathematica, Algoritmy, Kryptografie, Bitcoin, API Jun 14, 2018 Jun 14, 20181d 21h €675
Consultant - Blockchain Development UpGrad is one of the leading online higher education companies that tie up with top universities like BITS Pilani, IIIT-B, Cambridge University and companies like Genpact, Cognizant, Uber to deliver a world-class, industry-relevant learning experience. Currently, we are creating a course on Blockchain Technology. Theis program is for Developers in the IT industry who are keen on working with the ... 15 Kryptografie, Bitcoin, Tvorba textů, Blockchain, Ethereum Jun 14, 2018 Jun 14, 20181d 15h €28
Crypto-currency Social Media Manager We are looking for a Crypto-currency Social Media Manager Preferred languages: Dutch/French/English You will be responsible for setting up and keeping our social media pages fresh and engaging. You will be paid a fixed fee + coin bonus. 22 Sociální sítě, Facebook Marketing, Bitcoin, Social Media Marketing, Blockchain Jun 14, 2018 Jun 14, 20181d 14h €210
Crypto-currency Exchange Manager We are looking for a Crypto-currency Exchange Manager Preferred languages: Dutch/French/English You will be responsible for getting our crypto currency listed in exchanges. You will be paid a fixed fee + coin bonus per successful listed exchange. 15 Internetový Marketing, Marketing, Bitcoin, Blockchain, Ethereum Jun 14, 2018 Jun 14, 20181d 14h €966
To build a Bitcoin miner program I want to create a program what can mine Bitcoins by using a proper system .If anyone can create it for me,please bid for this... 16 PHP, Programování v C, Python, Softwarová architektura, Bitcoin Jun 14, 2018 Jun 14, 20181d 11h €235
Simple Bitstamp API integration 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... 18 PHP, Softwarová architektura, MySQL, Bitcoin Jun 13, 2018 Jun 13, 201816h 52m €447
Need to top up Bitcoin Address Hello, I need to topup a bitcoin address for $10. I will pay $15 to you. 5 Bitcoin Jun 13, 2018 Jun 13, 201813h 20m €21
Crypto Bot for GDAX using API I look for a developer that knows how to create a bot to place buy/sell orders in GDAX and Blinktrade exchanges using their API. Check below their documentation: GDAX: [pro zobrazení URL se přihlaste] Blinktrade: [pro zobrazení URL se přihlaste] Please get in contact for more information. 17 Javascript, Softwarová architektura, Bitcoin, API Jun 13, 2018 Jun 13, 201810h 5m €171
Forex invester and trader Anybody who is willing to put up money for a trading account and trade it and grow it themselves, so we can create many trading accounts and split half. This sounds stupid but im only asking this because people are not making money they are blowing my accounts and i want to see that someone actually can do it foreal 9 Metatrader, Finanční trhy, Bitcoin, Finanční analýza, Binární analýza Jun 12, 2018 Jun 12, 20183h 32m €81
Bitcoin Website need to build a website to trade and exchange crypto currencies 21 Web design, Bitcoin Jun 12, 2018 Jun 12, 20182h 2m €469
Crypto expert required.. I need a Crypto expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers. 14 Python, Kryptografie, Bitcoin May 5, 2018 May 5, 20185d 13h €60
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