Blockchain Δουλειές και Διαγωνισμοί

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.
Εγγραφείτε και αρχίστε να κερδίζετε
Εγγραφείτε για να ξεκινήσετε να κερδίζετε . Είστε a Blockchain Developer; Θα μπορούσατε να κερδίζετε χρήματα δουλεύοντας σε αυτές τις δουλειές!

Δείτε Δουλειές στο Freelancer

Εργασία/Διαγωνισμός Περιγραφή Προσφορές/Συμμετοχές Δεξιότητες Ξεκίνησε Τελειώνει Τιμή (EUR)
Need some one who know to create our own coin using Block Chain Need some one who know to create our own coin using Block Chain Technology,You have detaield knowledge regarding to block chain technology. 4 PHP, Bitcoin, Blockchain Jun 23, 2018 Σήμερα6μέρα 23ώρα €490
Crypto Customer Support We are looking customer support specialist for a cryptocurrency exchange who is passionate about bringing delight to the user who needs support. You love learning about Bitcoin, Stellar, and Ethereum. You are patient. You are excited about working with the latest technologies that Google Sheets, Google Docs, Trello and Slack. Highly proficient in English. Highly motivated to break into the... 6 Εξυπηρέτηση Πελατών, Εικονικός Βοηθός, Bitcoin, Εξυπηρέτηση Πελατών, Blockchain Jun 23, 2018 Σήμερα6μέρα 23ώρα €45
I need new altcoin Read carefully and don't say sir what is blockchain? sir what is altcoin,how to do?I can do it but i need more money or more time!every proposal out of badget will be deleted! Create your own coin like Bitcoin ------------------------------------------------------------------ My proposal is total for the task is 200$ ,50$ deposit,50$ after installation and testing,final payment 100$ end task!... 6 PHP, Μηχανολογία, Αρχιτεκτονική Λογισμικού, Blockchain Jun 23, 2018 Σήμερα6μέρα 20ώρα €360
program trading ,Quantitative Trading,high frequent trading we need a software of program trading, quantitative trading and high-frequency trading for our crypto exchange. 9 PHP, Blockchain, API Jun 23, 2018 Σήμερα6μέρα 11ώρα €240
Write me a great project review I need a summary and a technical review from a person that understands blockchain infrastructure and has good writing and critical thinking skill. 1 Blockchain, Research Writing Jun 23, 2018 Σήμερα6μέρα 10ώρα €12
build me a cryptocoin build a new crypto coin from scratch using blockchain 42 PHP, Αρχιτεκτονική Λογισμικού, HTML, Blockchain, Ethereum Jun 22, 2018 Σήμερα6μέρα 3ώρα €3014
ICO Whitepaper Construction If you have experience writing ICO Whitepaper's then please submit a proposal for this position for our company we would love to hear from you! As a professional ICO software development company, we will are looking for a Freelancer who we can have a long term relationship with so we can refer these sorts of projects to. -A strong preference for freelancers who have some knowledge about ... 26 Bitcoin, Συγγραφή Περιεχομένου, Blockchain, Ethereum, Marketing Strategy Jun 22, 2018 Jun 22, 20185μέρα 23ώρα €30
windows wallet for litecoin fork i need a simple windows build and slight optimisation of graphics if they dont work perfectly but they should be fine. you will be paid in ETH or the coin that im working on whichever you prefer 3 Bitcoin, Blockchain, Ethereum Jun 22, 2018 Jun 22, 20185μέρα 22ώρα €39
New Blockchain, based go-ethereum Ethereum (ethash) fork beginning zero block with our coin letters (XTH etc like EXP,ETC,UBQ,CLO) + POW mining like EXP,ETC,UBQ,CLO (Block mining reward to 6) [Not private network, global blockchain network with 2 node on [login to view URL] account] Step 1. - Block reward : 6 - ChainID: 1986 - Network ID: 11986 - Geth will remain the same name - Ethereum directory names changing to logarithm - Co... 16 Linux, Αρχιτεκτονική Λογισμικού, Golang, Blockchain, Ethereum Jun 22, 2018 Jun 22, 20185μέρα 18ώρα €573
Block-chain Crypto-Currency Developer Full Time Our project needs a block chain developer full time. Please post in your message details about your past work and experience in the space and if it seems relevant we will chat with you for further details. 33 PHP, Laravel, Blockchain Jun 22, 2018 Jun 22, 20185μέρα 17ώρα €15
Blockchain investment related articles I need you to write some articles about investment in startups and specifically about blockchain startups. I will provide PowerPoint slides with the content structure 41 Article Writing, Έρευνα Επενδύσεων, Blockchain Jun 22, 2018 Jun 22, 20185μέρα 12ώρα €108
ico website as the tile says i need a ico website with all the features,admin panel,erc20 tokens all the default stuff like pre launch, launch,post launch and mainnet integration We need full package which includes : 1. Cryptocurrency Development & Deployment. 2. Node Setup with setup guide. 3. Block Explorer 4. Web Wallet 5. Windows Wallet ( Optional ) 6. Android Wallet 7. iOS Wallet ( Optional )... 33 Bitcoin, Blockchain, Ethereum Jun 22, 2018 Jun 22, 20185μέρα 12ώρα €1136
More Content Writers in Crypto Required We pay 1 cent per word. If you accept then submit bid Must have ICO writing, Crypto Writing and Blockchain writing exp More content writers requires 19 Ghostwriting, Article Writing, Συγγραφή Περιεχομένου, Blockchain, Ethereum Jun 21, 2018 Jun 21, 20184μέρα 20ώρα €94
Create ICO page + ERC20 token wallet Create ICO page + ERC20 token wallet Must help. White Paper + Listing. Exchange + Roadmap Reference website: [login to view URL] 28 Κρυπτογράφηση, Bitcoin, Blockchain, Ethereum Jun 21, 2018 Jun 21, 20184μέρα 20ώρα €1011
Codeigniter integrate Ethereum / blockchain Wallet I need to manage the wallets of our clients and make all possible types of Ethereum transactions through the Codeigniter framework. And I believe the walltes will be managed in the online blockchain wallet. - Create a new client account - List customer accounts - View customer balances - Transfer balances and other things... In box we can discuss other details. Thank you 25 PHP, Codeigniter, MySQL, Blockchain, Ethereum Jun 21, 2018 Jun 21, 20184μέρα 16ώρα €330
i want to make small begineer level project in blockchain I have basic knowledge of blockchain and bitcoin so to showcase my ability in develope more i need to prepare small projecr related to this domain. 5 Bitcoin, Blockchain Jun 21, 2018 Jun 21, 20184μέρα 14ώρα €17
Ready coin market cap software -- 2 I need you to develop some software for me. I would like this software to be developed . Hello... Do you have a coin you have created and it's on coinmarket cap? Please make your bid with the coin you made with your team and it's on coin market cap and note that you must have a proof to show, if you don't have any proof and you can make excuses of not having proof, don't bid me... 13 CSS, Αρχιτεκτονική Λογισμικού, Κρυπτογράφηση, Bitcoin, Blockchain Jun 21, 2018 Jun 21, 20184μέρα 13ώρα €1104
Crypto Wallet App (Web/iOs/Android) Need developer/s to work on a project in creating cryptocurrency wallet. Previous experience in cryptography and wallet development is a MUST! If you have no knowledge of how cryptocurrencies work and have never developed in said enviroment, please do NOT apply. Many rewards and financial benefits awaiting the right person that joins our team. Please send us your github link so we can check yo... 46 Αρχιτεκτονική Λογισμικού, MySQL, Προγραμματισμός C++, Blockchain, Qt Jun 21, 2018 Jun 21, 20184μέρα 12ώρα €4293
X11 DASH or PIVX fork required HI, We either need a Dash or PIVX fork that is 100% POS, With windows, mac, linux wallets and a block explorer creating. We will require a pre mine and everything to be set up ready for launch of the coin from handover to us. 5 Python, Linux, Προγραμματισμός C++, Bitcoin, Blockchain Jun 21, 2018 Jun 21, 20184μέρα 12ώρα €649
Build CryptoCurrency Exchange Platform. Hi, there :) I am looking for a company or individual who can build cryptocurrency exchange platform. You must have previous experiences of building this kind of platform and can show me. Feel free to bid. I will discuss more about the project with awarded freelancer. 32 Κρυπτογράφηση, Bitcoin, Blockchain Jun 20, 2018 Jun 20, 20184μέρα 5ώρα €1806
Project for 7Lines I've looked at your profile and invite your to my project. 7 Κρυπτογράφηση, Blockchain Jun 20, 2018 Jun 20, 20184μέρα 5ώρα €1167
Need assistance in configuration site We have a site somewhat setup we need assistance in the config setup of some of the applications we are using. We need this work done within the next few days as we have built the site out a few times we understand the work doesn't take long but we do need someone with the knowledge we do not have in the following areas to config the server correctly to work as fast and efficient as possible.... 6 Apache, Blockchain, Linux, PHP, Redis Jun 20, 2018 Jun 20, 20184μέρα 3ώρα €128
Web and Mobile CRYPTOCURRENT Development (QT) Looking for dev to build our mobile wallet (andriod and iOS). The development will be done on our server. QA testing necessary. If you have never done a web/mobile wallet for blockchain project please DO NOT apply. Proposal Guidelines: 1. Links to current or past project that is blockchain mobile/web wallet related 2. Your github link so we can review your previous commits 3. A high level breakd... 30 Αρχιτεκτονική Λογισμικού, MySQL, Προγραμματισμός C++, Blockchain, Qt Jun 20, 2018 Jun 20, 20184μέρα 3ώρα €3828
Fintech Web Application Development Hi, Would you be interested in a new career opportunity in the Fintech, Blockchain or other web application? If you do, can I invite you for a chat? There are few opportunities that should work with you here in our Web agency team. Thx! PS: These are full time roles. Thank you for your time. Cheers, Ion Balan 33 PHP, HTML, Angular.js, React.js, Blockchain Jun 20, 2018 Jun 20, 20183μέρα 12ώρα €17
Help with Hyperledger sawtooth Need help with installation of Hyperledger Sawtooth and making transactions and blocks. Also configuring the settings of Hyperledger sawtooth. 3 Python, Αρχιτεκτονική Λογισμικού, Bitcoin, Blockchain Jun 20, 2018 Jun 20, 20183μέρα 12ώρα €89
3D Monoline Schematic Logo Brandname: Interstar Network [login to view URL] 8 Σχεδιασμός 3D , Blockchain, Ethereum, Σχεδιασμός Γραφικών, Σχεδιασμός Λογοτύπου Jun 20, 2018 Jun 20, 201826μέρα 10ώρα €26
Need to top up Bitcoin Address Hello, I need to topup a bitcoin address for $10. I will pay $15 to you. 5 Bitcoin, Blockchain Jun 20, 2018 Jun 20, 20183μέρα 9ώρα €20
UI/UX Improvement of a cryptocurrency mining pool We currently have a mining pool which frontend has been realized with [login to view URL] It is good looking, but there is room for improvement in both user interface, graphic and user experience. We are looking for someone that can analyze current problems, propose solutions and implement them in the current environment. The website shows form, graphs and many information regarding how the mining... 35 Javascript, Σχεδιασμός Ιστοσελίδας, Σχεδιασμός Γραφικών, Διεπαφή Χρήστη / Αρχιτεκτονική Πληροφορικής, Blockchain Jun 20, 2018 Jun 20, 20183μέρα 9ώρα €616
X11 Coin release and masternode setup guide Current masternode coin needs develop to create github release and masternode setup guide. 8 Blockchain Jun 19, 2018 Jun 19, 20182μέρα 20ώρα €1295
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. 17 PHP, Python, Προγραμματισμός C++, Bitcoin, Blockchain Jun 19, 2018 Jun 19, 20182μέρα 17ώρα €1421
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. 34 PHP, Αρχιτεκτονική Λογισμικού, MySQL, Bitcoin, Blockchain Jun 19, 2018 Jun 19, 20182μέρα 16ώρα €1681
ERC20 smart contract & coin distribution for ICO Hello, Below are our ICO requirements: a) Create an ERC20 (Ethereum based) token b) The ERC20 token smart contract will need to be verified on etherscan - THIS IS IMPORTANT c) Distribute coins to 12000+ airdrop participants - no. of coins for each participant varies 40 Blockchain, Ethereum Jun 19, 2018 Jun 19, 20182μέρα 14ώρα €1062
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. 18 Bitcoin, Blockchain, Ethereum Jun 19, 2018 Jun 19, 20182μέρα 13ώρα €548
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. 15 Linux, Αρχιτεκτονική Λογισμικού, Bitcoin, Programming, Blockchain Jun 19, 2018 Jun 19, 20182μέρα 13ώρα €1415
CryptoCoin Json and explore setup We require someone with knowledge of json files and explorer setup for wallets and coins. 18 Java, XML, Γλώσσα Προγραμματισμού C#, Windows Server, Blockchain Jun 19, 2018 Jun 19, 20182μέρα 11ώρα €14
Angobit.com blockchain education, cryptocurrency exchange 35 PHP, Αρχιτεκτονική Λογισμικού, Bitcoin, Blockchain Jun 19, 2018 Jun 19, 20182μέρα 10ώρα €1147
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. 16 Bitcoin, Blockchain, Ethereum Jun 19, 2018 Jun 19, 20182μέρα 10ώρα €649
Looking for a Block chain developer We are looking for a talented and experienced Block chain developer who can develop a platform for our gaming community A platform we are looking something similar to steemit community [login to view URL] But our requirement is for games 13 Αρχιτεκτονική Λογισμικού, Blockchain Jun 18, 2018 Jun 18, 20181μέρα 12ώρα €843
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 Προγραμματισμός C++, Bitcoin, Blockchain, Ethereum Jun 18, 2018 Jun 18, 20181μέρα 12ώρα €1380
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... 36 Κρυπτογράφηση, Προγραμματισμός C++, Bitcoin, Blockchain, Ethereum Jun 18, 2018 Jun 18, 20181μέρα 10ώρα €2685
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, 20181μέρα 8ώρα €3583
Full Stack Developer Angular 5 / Ionic / Node.js / blockchain ( Fulltime - Long term ) We are looking for a Full stack developer who has a depth of experience with Angular / Ionic / Node.js and BlockChain to work full-time with us for 12 months or more. Our team is building a high-scale blockchain platform that is solving a deep need in the space. We are self-funded and are growing quickly. We are a startup based in Seattle, WA and Moscow, RU with experienced founders. Our exist... 83 Javascript, HTML5, node.js, Angular.js, Blockchain Jun 17, 2018 Jun 17, 20181μέρα 4ώρα €17
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. 14 Javascript, Προγραμματισμός C++, Bitcoin, Blockchain, Ethereum Jun 17, 2018 Jun 17, 201816ώρα 47λ €132
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 22 Bitcoin, Blockchain, Ethereum Jun 17, 2018 Jun 17, 201814ώρα 44λ €5140
Research Paper for Publishing in SCOPUS Journal. I need a professional academic writer in the field of (Computer Science and programming) to write research paper for publishing in SCOPUS journal. The subject of research paper is about the "Applications of block chain in health care sector in Germany". Instructions: 1. please re-write the title in strong way. "Applications of block chain in health care sector in germany" ... 25 Τεχνική Συγγραφή, Συγγραφή Αναφοράς, Article Writing, Research Writing, Blockchain Jun 17, 2018 Jun 17, 201810ώρα 19λ €153
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. 16 Bitcoin, Blockchain, Ethereum Jun 16, 2018 Jun 16, 20181ώρα 53λ €38
Showing 1 to 46 of 46 entries
« 1 »