Blockchain İşler ve Yarışmalar

Blockchain is a distributed register that is used to maintain a continuously growing list of records, called blocks. It has revolutionary applications in finance (such as cryptocurrencies like Bitcoin) and decentralized applications like online voting.
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Proje/Yarışma Tanım Tekilfler/Girdiler Beceriler Başlangıç Bitiş Fiyat (EUR)
Blockchain application to transfer confidential information via permissioned blocks. Looking to create a blockchain application that helps transfer confidential information. Use multisig transactions (given a certain event) to pass on confidential information via permissioned blocks on the blockchain. Please read on permissioned blocks here: [url kaldırıldı, görüntülemek için giriş yapın] Please watch for a real world example here: [url kaldırıldı, g&o... 4 Blockchain, Ethereum Oct 22, 2017 Bugün6g 20s €943
BITCOIN and CRYPTO CURRENCY PAIRS Hi free Lancers, we have software is developed on robust PHP framework & MySQL Database. The key development points include Responsive Web Design using BootStrap Data Presentation using DataTables JS Using bitcoind rpc – Own bitcoind server no third party Maintain full control of your private keys with our multi-signature vault. You need to fix admin Panel session and We need to... 6 PHP, C Programlama, Kriptografi, Bitcoin, Blockchain Oct 21, 2017 Bugün7g 17s €1117
build a peer to peer blockchain app build a peer to peer blockchain app, more details inbox please 4 Java, Blockchain Oct 21, 2017 Bugün6g 17s €121
Currency exchange site using source code Shapeshift style automatic swap cryptocurrency exchange using: [url kaldırıldı, görüntülemek için giriş yapın] source i only need 3 currencies and no fees. These are the only 2 changes i need from the source code need it functional and set up on my domain 6 PHP, Kriptografi, Bitcoin, Blockchain, Ethereum Oct 21, 2017 Bugün6g 16s €84
Etherium Blockchain Developer for New Coin I am looking to create a small token for use in a mobile game. I am following [url kaldırıldı, görüntülemek için giriş yapın] and would like to see if someone is better suited than me. 0 Blockchain, Ethereum Oct 21, 2017 Bugün6g 13s -
Ethereum Developer Someone who has experience in writing smart contracts, Ethereum blockchain IOTA experience is great 6 Blockchain, Ethereum Oct 21, 2017 Bugün6g 8s €859
mobile app enhancement ***(blockchain technology required) I already have a design and alpha development of it, I just need it to be enhancement and further developed. 9 Mobile App Development, HTML, Blockchain Oct 21, 2017 Oct 21, 20175g 21s €69
Cryptocurrency Website Hello, Im looking for a cryptocurrency develop to develop a website. Details will be shared via chat. 17 PHP, WordPress , Bitcoin, Blockchain, Ethereum Oct 20, 2017 Oct 20, 20175g 11s €399
Creating ERC20 Coin on ETH platform for ICO and decentralized binary trading exchange I am developing a decentralized binary option trading exchange with sport betting capability options , and will need a ERC20 token with smart contract created from the Ethereum platform . I have a pretty good guideline and comparison to give you. I will also need the site design service as well. The exchange will need a price feed , and the the company profits" / exchange profits will be a ... 13 Web Sitesi Tasarımı, Finansal Pazarlar, Bitcoin, Blockchain, Ethereum Oct 20, 2017 Oct 20, 20175g 9s €3865
İşletme Planları, İş Analizi, Blockchain Oct 20, 2017 Oct 20, 2017Bitti
CryptoCurrency Development (Ethereum Clone - Fork) I want to clone / fork Ethereum blockchain with everything inside it by rebranding it with our own brand. your job is to rebrand ethereum and replace the brand name where ever it says ethereum or ether or any of the other things in it. The algorithm will not be changed at all. 1) blockchain (ethereum) 2) cryptocurrency (ether) 3) block explorer ([url kaldırıldı, görüntülemek... 5 C# Programlama, C++ Programlama, Bitcoin, Blockchain, Ethereum Oct 20, 2017 Oct 20, 2017Bitti €33596
Blackbird Bitcoin Arbitrage Api Creating for my site Hello Freelancers. I am a senior Designer on here. Now I have one Bitcoin project.(Front end and Back end). So I am looking for advanced developer of cryptocurrency who will join me to create the best API. Please bid only Bitcoin and Crypto-currency expert. Now I am try to modify the Blackbird Bitcoin Arbitrage Api into my website. Please make sure that you understand the my requirement file... 5 Kriptografi, C++ Programlama, Bitcoin, Blockchain Oct 19, 2017 Oct 19, 20174g 18s €109
Copywriter for cryptocurrencies / bitcoin / blockchain We are two entrepreneurs and fans of cryptocurrency starting a new project, where we want to teach people how to start with crypto. We are looking for advanced user of cryptocurrency (familiar with blockchains, mining, wallets, exchanges) who will join us to create the best content. We can offer you from 2 to 6 dollars per 100 words based on the experience. If you stay with us several m... 14 Metin Yazarlığı, Teknik Yazı, Kriptografi, Bitcoin, Blockchain Oct 19, 2017 Oct 19, 20174g 11s €1573
Bitcoin Mobile Application We have bitcoin app live on android and iOS and want maintenance and enhancements on the same. App backend is developed using java, angular js 2. Freelancers or companies who have already worked on the same projects will be preferable. For more details we can chat or you can contact me. 4 Mobile App Development, iPhone, Android, Bitcoin, Blockchain Oct 19, 2017 Oct 19, 20174g 10s €2702
Write a patent I need some help with writing a patent. 5 Toptan Pazarlama, Patentler, İş Yazışması, Blockchain, Blog Writing Oct 19, 2017 Oct 19, 20174g 9s €820
Expert api and custom payment module Custom api intergration and manipulation. Connect a few api solutioms to function a certain way. Expert in payment solutions and security. Knowledge lf blockchain technology needed 18 Algoritma, node.js, Bitcoin, Blockchain, API Oct 19, 2017 Oct 19, 20174g 4s €3784
Blockchain Space Research 2 We need a research assistant in the Blockchain/Cryptocurrency space. Some familiarity in this area are welcome but not necessarily required. We need someone who screens certain news channels and gathers fundamental data about projects. Specifics are gonna be provided and refined along the way. 13 İnternet Araştırması, Blockchain Oct 19, 2017 Oct 19, 20174g 3s €11
UNOMP help with configuration Hello, I have installed UNOMP and I need some help with setting it up. The person I look for should have clear knowledge and experience with UNOMP (Unified Node Open Mining Portal - [url kaldırıldı, görüntülemek için giriş yapın]) and setting up a pool. What I want to do is go trough the settings with Teamviewer or Skype shared screen, and talk to the person how to set t... 5 Linux, Blockchain Oct 19, 2017 Oct 19, 20174g €46
Blockchain developer. We are looking for smart and motivated python/node developer for our block chain related project. Please send links to your Linked-in profile and github/bitbucket links to your previous work for the code review. It's a distance job. NDA agreement is a must. 14 Python, Yazılım Mimarisi, node.js, Blockchain Oct 19, 2017 Oct 19, 20173g 23s €16
Develop a new CryptoCoin on a CryptoNote or other technology with members area I need an experienced blockchain installation and programmer and troubleshooting specialist, to help us to create a new coin like a Western Coin, or a Hextra Coin, to have no less than their functionalities during the upcoming ICO. I really like CryptoNote technology, which you can install and make it work along with Members Area, where users are able to purchase our cryptocoins, with bitcoins... 8 Blockchain Oct 19, 2017 Oct 19, 20173g 22s €1373
Discount Groups on Ethereum Smart Contract I will create a smart contract. The project is on the TestNet. Token is ERC20 Ethereum token. I am testing a crowdsale with discount. Token name is TestXY (TXY) Example Normal price rate 100 TXY = 1 ETH There are 3 different groups on Crowdsale. Group A, Group B, Group C Group A - %15 discount - 1 ETH = 115 TXY Group B - %10 discount - 1 ETH = 110 TXY Group C - %5 discount - 1... 1 PHP, Javascript, Bitcoin, Blockchain, Ethereum Oct 18, 2017 Oct 18, 20173g 15s €25
Code a CryptoCurrency Exchange We are looking for someone to write the code and create a custom cryptocurrency exchange from the ground up both front and backend. You MUST have created a working exchange before and be able to customize our exchange with a specific user interface and actions. Skills you may need are - Laravel, Ruby on Rails, Django/Paython; Google API, Facebook API, Twitter API; Php, Mysql, JSON, CSS, JavaS... 18 Javascript, Python, node.js, Angular.js, Blockchain Oct 18, 2017 Oct 18, 20173g 8s €12958
ERC20 token experienced developer Make a fully functional digital erc20 token coins also known as a cryptocurrency, customize the coin to our specifications, and add a custom name to our tokens. the token will be a standard ERC 20 token with fast transaction speed and high security. The token will be verified on the ether scan blockchain with prof of verification Requirements : 1- Token development as we want . 2- Do al... 5 C Programlama, C# Programlama, C++ Programlama, Blockchain Oct 18, 2017 Oct 18, 20173g 7s €351
Installation and Troubleshooting of various services and scripts on Linux Ubunty + Blockchain Specialist I need someone experienced in Linux to Install on Ubuntu platform, various web services to get our website up and running, and to also install the [url kaldırıldı, görüntülemek için giriş yapın] and/or CryptoNote software for the cryptocurrency, and to troubleshoot to make sure everything works for at least 10 days, after the job has been delivered. We do want a long term ... 7 Sistem Yöneticisi, Linux, Kriptografi, Ubuntu, Blockchain Oct 17, 2017 Oct 17, 20172g 17s €39
E-Commerce Wesbite - that accepts Bitcoin payments I require an an e-commerce website that accepts bitcoin payments. the e-commerce site also requires a bitcoin wallet and an escrow system 22 MVC, Bitcoin, Veritabanı Geliştirme, Kod yazma, Blockchain Oct 17, 2017 Oct 17, 20172g 13s €2087
Build ICO Crypto Website We Want To Make Website ICO Token Sale. Like [url kaldırıldı, görüntülemek için giriş yapın] - [url kaldırıldı, görüntülemek için giriş yapın] 11 PHP, Web Sitesi Tasarımı, Kriptografi, Bitcoin, Blockchain Oct 17, 2017 Oct 17, 20172g 13s €899
Bitcore api developer Experienced blockchain node developer. Bitcore api, bitpay api copay coinbase. Previous dapps or blockchain development or custom payment solution expert. Need payment solution to application under dev. 22 NoSQL Couch & Mongo, node.js, Bitcoin, Blockchain, Ethereum Oct 17, 2017 Oct 17, 20172g 11s €3378
Need help updating crypto wallet Hello freelancers, I need help using CoinMarketCap JSON API Documentation and compiling a windows wallet. I need to use a public api method ([url kaldırıldı, görüntülemek için giriş yapın]) to get the marketcap, usd price, btc price, and supply. Then I need you to fix the total amount in overview, with adding the total value in usd. I have an image attached that gives you cle... 6 C++ Programlama, Bitcoin, RESTful, JSON, Blockchain Oct 17, 2017 Oct 17, 20172g 8s €93
Build a blockchain search engine I am looking to build a search engine built on the blockchain. At this point I am looking for someone to architect the structure with the bitcoin ideas. Later we might integrate with Elasticsearch. What I need now is: I am looking for a written description of the plan. 4 Bitcoin, Elasticsearch, Blockchain, Ethereum Oct 17, 2017 Oct 17, 20172g 7s €47
Need a Partner/Writer for a New Blockchain/Cryptocurrency Blog I am starting a new blog on blockchain and cryptocurrency. I want to create a resource where you can find all sorts of information about bitcoin, altcoins, ico's, mining, investing and trading in cryptos, etc. I am looking for a partner who want to do this with me. I am an experienced internet marketer, building informational websites since the last 3 years. 24 Metin Yazarlığı, Article Writing, Kriptografi, İçerik Yazımı, Blockchain Oct 17, 2017 Oct 17, 20171g 22s €16
BlockChain Distributed System Each process maintains a copy of the shared ledger implemented as a blockchain. Each time the blockchain is updated it is multicast to all other peers. Process zero is responsible for writing the updated [url kaldırıldı, görüntülemek için giriş yapın] file to disk. We will use only three processes, but your system design should—in theory—work for any number of p... 3 Java, Blockchain Oct 16, 2017 Oct 16, 20171g 14s €75
Create a Crypto coin - open to bidding I will like to create a crypto currency, most likely a fork or dash or litecoin. Please can you help with it 10 C Programlama, C++ Programlama, Montaj, Bitcoin, Blockchain Oct 16, 2017 Oct 16, 20171g 13s €6110
Settings for Crypto Robot Leonardo or Cat robot Does anybody in here know what the settings are for this robot? Only if you make more than 50% a month please 3 Mali Analiz, Yatırım Araştırma, Blockchain Oct 16, 2017 Oct 16, 20171g 5s €1365
Create a POC for blockchain We need a freelancer programming expert who can help us create a Proof of Concept of an Blockchain application. We will be working alongside the freelancer and explain the exact requirement and use case once the final discussion is underway. The requirement is knowledge about common blockchain platforms such as Ethereum, Hyperledger etc. 5 Javascript, Angular.js, JSON, Blockchain, Ethereum Oct 16, 2017 Oct 16, 20171g 3s €1131
Blockchain expert to send deployed ERC20 token to 9000 wallets Send deployed ERC20 token to 9000 wallets 2 Blockchain, Ethereum Oct 16, 2017 Oct 16, 201721s 37a €59
Smart contracts etherium Our Company plans to implement several smart contracts in etherium. Concerning we need a consultant/Solidity developer. 15 Web Sitesi Tasarımı, Blockchain, Ethereum Oct 15, 2017 Oct 15, 201714s €3364
Create Ethereum Tokens for my New ICO Should be an expert in the blockchain Ethereum tokens creation. 17 Bitcoin, Yazılım Geliştirme, Blockchain, Ethereum Oct 15, 2017 Oct 15, 20177s 8a €862
Blockchain Application in Python with data loads I need a working block chain application to be developed in Python with around 300-500 entries and transaction data entries. 10 Java, Python, Web Scraping, Yazılım Mimarisi, Blockchain Oct 14, 2017 Oct 14, 2017Bitti €885
Writer for ICO White Paper Looking for writer who has experience writing white papers for ICO's. (Initial Coin Offerings). We would be interested in testing you to see how good you are. We have many White Papers to be written in the future. 18 Teknik Yazı, İşletme Planları, Bitcoin, Blockchain, Ethereum Oct 14, 2017 Oct 14, 2017Bitti €148
Search engine built on blockchain I want to build a search engine that would be able to compete with Google and Bing. I was planning to use Elasticsearch but I am interested in using as much of the blockchain as possible for things like storing data on public community service or tracking wherever I could. Let me know your experience. 8 Apache Solr, Bitcoin, Elasticsearch, Blockchain, Ethereum Oct 14, 2017 Oct 14, 2017Bitti €17490
Integrate Blockchain timestamp with backend system Hi, we are small team of backend and front-end developers. We are looking for someone who will join to us on one phase of the project. One part of the project is generating only timestamp in blockchain when client create a new agreement in our backend system. We need connect to any network which can handle this We need to generate confirmation to backend system that block is created and al... 6 Blockchain, Ethereum Oct 14, 2017 Oct 14, 2017Bitti €1365
AI chatbot chatbot that provides legal counsel using AI in the United States 14 Mobile App Development, iPhone, Android, Yapay Zeka, Blockchain Oct 13, 2017 Oct 13, 2017Bitti €402
BLOCKCHAIN EXPERT proven experience with platform creation. 6 Blockchain Oct 13, 2017 Oct 13, 2017Bitti €2272
Blockchain Storage DAPP Hi Guys, I am building a DAPP over blockchain technology. it should store user data over blockchain by distributing the encrypted files throughout the network. Let me know if you are interested to get this done. More details is going to go to the shortlisted candidates. Waiting for your great proposal. Thanks 6 Python, Web Sitesi Tasarımı, Grafik Tasarımı, Blockchain Oct 13, 2017 Oct 13, 2017Bitti €37974
Smart Contract Expert I need a smart contract made. It needs to be written in Solidity. Contract needs to have points that can be changed easily for different clients. 6 Kriptografi, Bitcoin, Blockchain, Ethereum, Full Stack Development Oct 13, 2017 Oct 13, 2017Bitti €735
BITCOIN AND ALTCOIN WALLET Dear Freelancers, We need Bitcoin wallet and new altcoin wallet in our site. we will provide Altcoin source code daemon etc. We need Altcoin buy direct from bitcoin. and member get Automatically Altcoin and reverse also. price of altcoin is 1BTC so 1altcoin = 1btc. Buying/selling from BTC should be on given rate, BTC will Convert USD and Give Altcoin. No price changes accepted only ... 10 Kriptografi, C++ Programlama, Bitcoin, Blockchain, Ethereum Oct 13, 2017 Oct 13, 2017Bitti €389
Blockkchain Expert Looking for someone having strong blockchain technology experience 10 Blockchain, Ethereum Oct 12, 2017 Oct 12, 2017Bitti €401
New coin creation and ICO We are searching for a developer able to develop a blockchain based coin, which would get prepared for ICO. Extensive experience is not required, rather a serious interest for long-term cooperation and a great enthusiasm. 7 Blockchain Oct 12, 2017 Oct 12, 2017Bitti €24967
Crypto Currency Trading Script (Bugs + Integration) Dear free lancers we have this software, we want need fix bugs and integrate cryptocurrencies, we will provide Server for Run Node and 1 for website. We want Implement ethereum Based Coin too. we need full Document how to run node in future and compile coin. we need at least 25 Currencies integrate with this. here is our software introduction and requirements. (our software is... 16 PHP, C Programlama, Kriptografi, Ubuntu, Blockchain Oct 12, 2017 Oct 12, 2017Bitti €445
Bitcoin mining experts Hey guys Bitcoin mining experts required 14 Python, C++ Programlama, Bitcoin, Blockchain, Ethereum Oct 12, 2017 Oct 12, 2017Bitti €424
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