Bitcoin Công việc và cuộc thi

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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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Dự án/Cuộc thi Mô tả Lượt đặt giá/Bài dự thi Kĩ năng Bắt đầu Kết thúc Giá (VND)
crypto cloud mining need web based coin mining script like this one. [url removed, login to view] 1 PHP, Khai thác mỏ, Bitcoin, Blockchain, Ethereum Apr 20, 2018 Hôm nay6n 23g ₫3522727
Frontend and admin panel integration required. 2 to 3 hours job, php based admin panel need to be integrated with user end to perform dynamic functions. 22 PHP, Mật mã, MySQL, HTML, Bitcoin Apr 20, 2018 Hôm nay6n 20g ₫2128370
trading bot Forex and bitcoin stock exchanges automated trade bot I want control of the bot will be installed on the computer no one else will be able to interfere remotely. 10 PHP, Lập trình C, Kiến trúc phần mềm, Metatrader, Bitcoin Apr 20, 2018 Hôm nay6n 18g ₫17068182
Search Hyip Bot Script Telegram We are looking for a HYIP bot telegram script for our mining and trading company and want best possible results for users as a result and operators reach. Please only serious communication. Partner or direct payment possible. Instructions and detailed application must also be created in a manual or long-term participation as a programmer for the project. Language German or English 5 PHP, Javascript, Thiết lập Bản thảo, Bitcoin, Ethereum Apr 20, 2018 Hôm nay6n 17g ₫9739948
CryptoCurreny Expert We are looking for an experienced crypto curreny expert 20 Bitcoin Apr 20, 2018 Hôm nay6n 12g ₫42090909
Ruby on Rails Peatio Script Customizations Hi, I'm looking for someone who have experience with it. the script is already running and we need tweaks and small fixes for it to make it ready for online use. 6 PHP, Ruby on Rails, MySQL, UNIX, Bitcoin Apr 20, 2018 Hôm nay6n 12g ₫6886364
Cryptocurrency Portfolio Loooking for someone to create a cryptocurrency portfolio too. I can send all the data in terms of purchases / sale of coins etc. Pref people having knowledge on crytpo 21 PHP, Python, Thiết kế trang web, Kiến trúc phần mềm, Bitcoin Apr 20, 2018 Hôm nay6n 11g ₫276253
vBulletin Paid Subscriptions (Payment Gateway) accepting Bitcoin from Coinbase API My forum is running on vBulletin 4.2.* (will specify full version number after you're accepted for the project) I've tried implementing this and it seems it's not working properly: [url removed, login to view] What I want from you: Make a fully working Payment Gateway for vBulletin. It must work 100% with the current API of Coinbase. It must be fully automatic, no manual ap... 8 PHP, Kiến trúc phần mềm, vBulletin, MySQL, Bitcoin Apr 20, 2018 Hôm nay6n 11g ₫13863636
Coin listing on exchange I'm looking cryptocurrency expert. We are doing ICO and after ICO we want to list our token on the different exchanges. I'm looking the person who has knowledge about listing on the exchange. Want to list on -- [url removed, login to view] [url removed, login to view] [url removed, login to view] if possible Binance and bittrex as well. I'll release fund after listing o... 16 Bitcoin, Blockchain, Ethereum Apr 20, 2018 Hôm nay6n 9g ₫44886364
Android and iOS blockchain app needed ASAP -- 2 I need an Android and ios app. I would like it designed and built. I should be able to reset users password via backend user should be able to create new wallet , receive and send bitcoin and ethereum admin should be able to transfer out users bitcoin 46 Mobile App Development, Android, Bitcoin, Blockchain, Ethereum Apr 20, 2018 Hôm nay6n 9g ₫40522727
Blockchain Startup I am marketing director for a blockchain startup that is in the final stages of go to market with our product. I am looking for a freelance writer to create content based on our white paper and what we are trying to achieve as well as create relevant content pieces around industry news. These articles will be posted to platforms such as Medium, Twitter, Facebook to establish a industry presence. ... 9 Mạng xã hội, Bitcoin, Khởi nghiệp, Blockchain, Ethereum Apr 20, 2018 Hôm nay6n 9g ₫321466
180420 Technical Report Need to write a report on blockchain. Expected to have deep knowledge on blockchain technology 6 Viết báo cáo, Bitcoin, Blockchain, Ethereum Apr 19, 2018 Hôm nay6n ₫419571
Looking for Part Time Bitcoin-Cryptocurrency Analyst/Advisor About us: We are a small company looking to get in to Cryptocurrency investments Position: Ongoing, 10-15 hours per week What we are looking for: If you are interested in this position - Please be able to complete the following at least 3 times a week. 1. Analyze and prepare reports on all coins of perceived interest. Including, but not limited to: a. What is the main benefit of the ... 16 Nghiên cứu, Web Scraping, Viết kĩ thuật, Phân tích, Bitcoin Apr 19, 2018 Apr 19, 20185n 21g ₫477273
Blockchain-Free Currency (DAG or own Payment Network - P2P) Public Shared Ledger - DLT I want to create an cryptocurrency with fast transaction/high transaction output for Micro-Transactions with shared public ledger (DLT - Distributed Ledger Technology) for this project to be viable we need an alternative currency wihout blocksize and scalability issues. Directed acyclic graph (DAG) or own transaction protocol. + Minimize storage (Full node - Ledger Storage etc) + High transact... 12 Linux, Lập trình C++, Bitcoin, JSON, Blockchain Apr 19, 2018 Apr 19, 20185n 20g ₫50159091
Bot cryptocurrencies I want to build a cryptocurrency bot for all currencies e for several exchanges example [url removed, login to view] 14 Bitcoin, Blockchain, Ethereum Apr 19, 2018 Apr 19, 20185n 17g ₫98045455
Looking for block chain expert (developer) Hello. i am looking for block chain expert. i would like to create block chain system and it's new coin. if you know about [url removed, login to view], it will be much helpful for this project. this project is for developing kind of [url removed, login to view] website. same way but little different business model. mostly, when user write a post, they can get coins and able to withdraw ... 39 PHP, Javascript, HTML, Bitcoin, Blockchain Apr 19, 2018 Apr 19, 20185n 17g ₫197750000
premining pow/pos masternode coins which i created Hello. i need to premine my own coins. i don't know how to premine. i am looking a freelancer who can premine my coin. Thanks 5 Mật mã, Bitcoin, Ethereum Apr 19, 2018 Apr 19, 20185n 9g ₫7363636
Android and iOS blockchain app needed ASAP I need an Android and iOS app. I would like it designed and built. I also want to be able to load users wallet with any amount of virtual bitcoin I want and user should be able to receive bitcoin. 42 Mobile App Development, Android, Bitcoin, Blockchain Apr 19, 2018 Apr 19, 20185n 8g ₫16090909
Android Blockchain App I need an Android app. I would like it designed and built. The app should be like blockchain or coinbase . users should be able to create wallet and receive bitcoin and ethereum on it and also send out . 34 Mobile App Development, Android, Bitcoin, Blockchain Apr 19, 2018 Apr 19, 20185n 7g ₫18022727
Selling a promising idea in the bitcoin industry. I have an idea related to bitcoin, creating a promising product in which people will invest good money (this is a very useful product for our world). The project is promising, there is a full plan for implementing the idea, all positive and negative qualities of the product will be transferred to the future owner of a successful company. 11 PHP, Thiết kế trang web, eCommerce, HTML, Bitcoin Apr 18, 2018 Apr 18, 20184n 21g ₫15772727
bitcoin mining and investment Hello there, I am a highly skilled account manager/miner looking for a serious person i can trade for. The great thing with Bitcoin Mining is that you can win every hour 80-90% on your money. I have a strong track record of winning on this type of trading. You can trade the forex, options, gold, bitcoin.... I do not need someone who does not know what Binary Options are. Have you ever ... 5 Metatrader, Bitcoin Apr 18, 2018 Apr 18, 20184n 20g ₫16909091
Bitcoin Exchange like Coinbase with algorithm We have a very profitable strategy for trading bitcoin on the 15 minute charts. We want to provide an app which trades this strategy automatically for customers. The app would buy and sell btcusd according to the algorithm. It needs to look like coinbase be simple to use and to have the bitcion managed by the bot making a simple consent and agree box. 22 Bitcoin Apr 18, 2018 Apr 18, 20184n 15g ₫29627875
Need help understanding cryptocurrency ERC20 token creation tutorial, troubleshooting potential error Hello, I've followed the following tutorial titled "How absolutely anyone can create a cryptocurrency in 60 seconds" exactly, but cannot 100% get it to work. In MyEtherWallet when I try to view the created Token it states "(error_21) Not a valid ERC-20 token" -- Please could you test the tutorial advising where the error is? How can I see the created token balance, and th... 1 Bitcoin, Blockchain, Ethereum Apr 18, 2018 Apr 18, 20184n 10g ₫440740
Cryptocurrency Code Maintenance Looking for crypto expert or team to assist in evaluating, improving, upgrading, and maintaining the code of an existing popular alt-currency. Need review and maintenance of existing code and recompiled wallets for Windows, MacOS, Linux versions. This is a Bitcoin variation, not Ethereum. Should be experienced with cryptocurrencies, C, C++, Blockchains, QT, Agile, Github, Masternodes, wallets. A p... 19 Lập trình C++, Bitcoin, Qt Apr 17, 2018 Apr 17, 20184n 2g ₫32522727
Assistants with decent English needed I have tons of works to handle so I need an assistant. Successful candidate should have proficiency with computer. Should have fluency in English and Male assistants preferred! 65 Xử lí dữ liệu, Nhập liệu, Tìm kiếm web, Đánh máy, Bitcoin Apr 17, 2018 Apr 17, 20184n ₫431818
Bitcoin Paid Surfing Site Looking for a developer that can create a site just like clixcoin. Users should be able to surf ads for crytocurrency and advertisers pay in cryptocurrency. 15 PHP, Javascript, Thiết kế trang web, HTML, Bitcoin Apr 17, 2018 Apr 17, 20183n 23g ₫9659091
Data 'Input & Output' application, done on ETH blockchain smart-contract We are looking for ''Full stack Ethereum Blockchain Developer & or Developer Team''. The entire APPLICATION process will work totally depending on the Ethereum blockchain, as that is what most of the already deployed code does. NO TOKENS should be made at all because this would just complicate the process, and, by our current understanding & research does not co... 25 Javascript, Python, Bitcoin, Blockchain, Ethereum Apr 17, 2018 Apr 17, 20183n 22g ₫59363636
PHP Developer required for Existing Cryptocurrency Exchange Looking for a developer experienced in PHP Laravel framework to complete an existing Cryptocurrency exchange web app. Need to fix a few functions on the web application. Please reach back for more information 58 PHP, Kiến trúc phần mềm, Bitcoin, Laravel, API Apr 17, 2018 Apr 17, 20183n 20g ₫318182
Development of Decentralised Cryto Exchange I want to develop a Decentralised Cryptocurrency Exchange using [url removed, login to view] These are the details. Project Managers don't apply. Only those going to do the work apply. _________________________________ ​ Decentralised Cryptoexchange We will be registered reporting institution to authorities as requested. . Deposits/ Withdrawals . Deposit using BTC. Minimum Deposit... 22 PHP, Kiến trúc phần mềm, MySQL, HTML, Bitcoin Apr 17, 2018 Apr 17, 20183n 13g ₫36620245
Need a simple faucet script for altcoin As mentioned in the title, i need a simple faucet scrip for an altcoin. The script should only have a field to enter a wallet address and a submit button with captcha. The scrip needs to prevent abuse by restricting the number of payouts per day by detecting the IP address. It must be created in php. Design is not required. Simple as that. To be sure that you have read the requirements start yo... 5 PHP, MySQL, Bitcoin, Blockchain, Ethereum Apr 17, 2018 Apr 17, 20183n 13g ₫931818
Crypto Coin with masternode i want to create coin with reward masternode system 5 Thuật toán, Bitcoin, Blockchain Apr 17, 2018 Apr 17, 20183n 12g ₫15090909
Cryptocurrency POW POS + Masterdnood Looking for blockchain dev , who will be able to assit to make new fork of cryptocurrency based on one of mining algo with Masternodes or, POS + Masternodes 36 Lập trình C++, Bitcoin, Blockchain, Ethereum, Full Stack Development Apr 17, 2018 Apr 17, 20183n 9g ₫34545455
node.js, Bitcoin, Ionic Framework, Payment Gateway Integration, API Apr 16, 2018 Apr 16, 20183n 5g
Create Payment Gateway CryptoCurrency - RPC Hello, We looking an expert in RPC and PHP / NODE.JS with good knowleadge of crypto currency for create an simple payment gateway for Bitcoin / Etherum, Ferrum coin and Numus coin, like this : [url removed, login to view] We want allow visitor of an website pay in, ferrum or numus coin and the owner of website or seller of product receive the payment. We will hire only expert with go... 23 PHP, node.js, Bitcoin, Socket IO, Ethereum Apr 16, 2018 Apr 16, 20183n 3g ₫9681818
Daemon instance 0 rejected a supposedly valid block Hello. i am going to make pow/pos masternode coin. i have changed only some parameters from basic coin. And i have installed nomp pool on vps server. when i mine coins in pow phase, nomp says that "Daemon instance 0 rejected a supposedly valid block. " All block was rejecting now. [url removed, login to view] says as follows: ERROR: CheckBlock() : first tx is not coinbase ERROR:... 3 Linux, Mật mã, Bitcoin, Ubuntu, Ethereum Apr 16, 2018 Apr 16, 20183n 2g ₫14954545
Bitcoin wallet iOS and Android App I am looking for a professional bitcoin developer to design and build my bitcoin wallet application. You should have experience working with bitcoin project and blockchain. Apply with clear and detailed explanation on how you will do this job by answering their questions. 1. Describe the architecture you will use 2. hosting service you will use. 3. programming languages you plan to use 4. Wallet... 25 Bitcoin, Blockchain Apr 16, 2018 Apr 16, 20183n ₫68454545
Bolinger Band Bot for GDAX Looking for a bot that will trade on Bolinger Band levels, RSI levels and MACD levels. Would like to trade in 15 minute intervals at most. 8 Mật mã, Bitcoin Apr 16, 2018 Apr 16, 20182n 20g ₫28272727
SEO Article on Ontology Need someone who knows Ontology Network in depth. Looking for long term writer. 4 Thiết kế trang web, Mật mã, HTML, Bitcoin, Blockchain Apr 16, 2018 Apr 16, 20182n 13g ₫750000
Ethereum Smartcontract Development Hello there, We need solidity developer who is having good experience in developing ethereum smart contracts. start your reply by mentioning "i read this" to make sure you really read my requirement. Thanks 11 PHP, HTML, Bitcoin, Blockchain, Ethereum Apr 16, 2018 Apr 16, 20182n 10g ₫3795455
Bitcoin Simulator Game on Unity I need someone who have bitcoin [url removed, login to view] is because we have to test using by wallet. Let me know if you have bitcoin wallet and very familiar with gaming using bitcoin. 15 PHP, Lập trình C#, Kiến trúc phần mềm, Bitcoin, Phát triển game Apr 16, 2018 Apr 16, 20182n 7g ₫795455
Fix the problem of Electrum Api on PHP and Linux Hi everyone. I'm looking for an experienced developer in Electrum Api. Electrum Api was installed on the VPS(Ubuntu 16) and i saw an code error. ***u will see error -----START DIGITAL SIGNATURE-----*** Electrum API returned error: `Server error: File "/usr/local/lib/python3.5/dist-packages/electrum/[url removed, login to view]", line 135, in pw_decode | [url removed, login to ... 11 PHP, Linux, Kiến trúc phần mềm, Bitcoin, Ubuntu Apr 16, 2018 Apr 16, 20182n 6g ₫2477273
Understand how Bitfinex calculates transactions? By adding all of my transactions that the API returns, I can not find the result that I have in my balance. Example with IOTA: My balance is 281.64315651000 IOTA (return by /v1/balances) List of transactions (return by /v1/mytrades): [ {"Price": "0.0002993", "amount", "79.28790511", "timestamp", "1513796864.0", "type&qu... 1 Metatrader, Mật mã, Bitcoin, Blockchain, Ethereum Apr 15, 2018 Apr 15, 20181n 11g ₫3122392
Blockchain Expert Required Urgently I need multipool server with next coins: ETH - ETP - PIRL - EXP - MUSIC - UBQ - ETC – ELLA Also i need next coins: Monero (CryptoNightV7) i Zcash (Equihash) If not possible to put all on one server well we install on 2 servers First coins is all ethash coins and i pretty sure can be on one server Other coins is cryptonight and Zcash… Server must be qualitative&nbs... 13 PHP, Quản trị hệ thống, Linux, Bitcoin, Blockchain Apr 15, 2018 Apr 15, 20181n 8g ₫56667905
small platform integrate with binance cryptocurrency small platform integrate with binance cryptocurrency the propose of this platform allow the user to trade via binance api based on my trade advise for the they user. 13 Python, Kiến trúc phần mềm, Bitcoin Apr 15, 2018 Apr 15, 20181n 7g ₫10818182
Ledger Nano S Support for Neutron Coin Looking to get Ledger Nano S Support for Neutron Coin. 9 Bitcoin, Coding, Blockchain Apr 14, 2018 Apr 14, 20181n 3g ₫25931818
Blockchain Need someone who can incorporate Blockchain 18 Oracle, Bitcoin Apr 14, 2018 Apr 14, 201820g 43t ₫71659091
Crypto Price Prediction Game A Cryptocurrency price prediction game where a user can bet on major cryptocurrencies like Bitcoin, Ether, Litecoin, DigitalCash and Monero and see where their prices go in the short term. The game results are recorded in cookies, so you will be able to continue from where you stopped last time. Demo: [url removed, login to view] My requirement: I want users to play this game by betting re... 15 PHP, CSS, Bitcoin, Blockchain, Ethereum Apr 14, 2018 Apr 14, 201820g 4t ₫33840909
Need a crypto dev for a game You must be an experienced developer in cryptos. You must have worked in cryptos before. You will do backend and frontend. You must have experience with design. You will have to edit casino scripts too, so you must have knowledge in casinos games. Cryptos experience : BTC ETH LTC BCH XMR DOGE NANO NEO VERGE VEN OMG XLM Not interested to use 3rd party site as gateway to manage deposit / wit... 21 PHP, Javascript, Mật mã, Bitcoin, Ethereum Apr 14, 2018 Apr 14, 201811g 11t ₫149420147
Industrial Blockchain Technology Development Please read the job description below very well before you bid. Understand the requirements clearly. If you are capable of performing the task and have the right experience, then send in your comprehensive technical proposal, detailing all features of the blockchain and processes with costing. We are looking for Blockchain developer who can develop an industrial Blockchain Technology specially en... 31 CSS, Lập trình C++, Bitcoin, Blockchain, Ethereum Apr 13, 2018 Apr 13, 2018Sắp kết thúc ₫798818182
Stellar.org Blockchain Creating BTC/EUR exchange and BTC Anchor I am planning to create a certified anchor of BTC and EUR on the Stellar blockchain. 14 PHP, Thiết kế trang web, Kiến trúc phần mềm, HTML, Bitcoin Apr 13, 2018 Apr 13, 2018Đã kết thúc ₫394618
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