Blockchain Práce a soutěže

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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Projekt/Soutěž Popis Nabídky/Návrhy Dovednosti Zahájeno Končí Cena EUR
Fully functionable ICO with front and back end included users cabinet. ICO project has to be fully finished and ready to launch. Details as follows: 1. The design can be any as we will change it our selves anyway. 2. ICO has to have 2 pre sale options and crowd sale after pre sales. ( Pre ICO and ICO ) 3. Fully integrated BTC and ETH wallets to accept payments from the users. 4. Referral option ( Affiliate Program ) 5. Lending Interest option 6. Multiple la... 7 Blockchain Jan 17, 2018 Dnes6d 23h €1282
Creating Custom Coded Cryptocurrency Hello we need someone who is very experienced with Creating Custom Coded Cryptocurrency, we need a team to do this. We need to have a audio chat so we can discuss if you can do this. We need someone who is well experienced in Cyptocurrency coding in scratch. 27 PHP, Programování v C, Javascript, Softwarová architektura, Blockchain Jan 17, 2018 Dnes6d 22h €16544
Creating new Cryto Currency Hello we need someone to create custom coded from scratch Cryto Currency, we need someone who is very experienced, we need you to speak proper english becuase we would have a call so we can have a chat regarding this project. we only need experience devs to do this and so we need a team. 21 Vývoj softwaru, Blockchain Jan 17, 2018 Dnes6d 21h €36825
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. 44 PHP, Softwarová architektura, HTML, Bitcoin, Blockchain Jan 17, 2018 Dnes6d 16h €1045
Blockchain Looking for a developer that can developer a blockchain, specifically for a video application. 24 Softwarová architektura, Bitcoin, Blockchain Jan 16, 2018 Dnes6d 12h €35
Creating New cryptocurrency Hello we have many ideas and we are group that is being funded by people. We will discuss more in detials once we have the right freelancer. We like to see your work and a call on the phone to make sure you can do this. 21 Vývoj softwaru, Blockchain Jan 16, 2018 Dnes6d 10h €42872
Smart Contract ERC20 Ethereum want to develop a smart contract on ethereum blockchain for a website business. Required: -Simple functions -No Loops -Secured -Bug Free 15 Javascript, Blockchain Jan 16, 2018 Dnes6d 9h €571
Blockchain Developer We need a blockchain wallet built to store our custom token along with an integrated marketplace within the wallet. View [url odstraněn, pro zobrazení se přihlaste] for an example. 16 Vývoj softwaru, Blockchain Jan 16, 2018 Dnes6d 8h €442
Create a blockchain game Using the open code of an existing game, create a running tailored application. Basically another skin. Most of the code is available already. 24 PHP, Web design, Grafický design, HTML, Blockchain Jan 16, 2018 Dnes6d 3h €43
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... 14 Python, Web design, C++ programování , Bitcoin, Blockchain Jan 16, 2018 Dnes6d 3h €10194
Do Modifications and Customization of TxBits Do Modifications and Customizations of TxBits [url odstraněn, pro zobrazení se přihlaste] To Include 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 look... 1 Web design, Scala, Blockchain Jan 16, 2018 Dnes6d 2h €284
Create a Mobile app with Blockchain technology Create a Mobile app with Blockchain technology and connect the database details to a Private ledger 6 PHP, Mobile App Development, Android, Oracle, Blockchain Jan 16, 2018 Dnes6d 2h €324
Partner in reactjs for open source projects Hi, First a bit about myself: I am Olaf and currently living in the Netherlands, I did sell my house and will travel to south-east Asia/the world to convince developers about a new way of development. (See [url odstraněn, pro zobrazení se přihlaste]) And to support my own cost of living during the development stages. We are in the process of setting up a non-profit foundation and develop... 27 Javascript, Bootstrap, React.js, Blockchain Jan 16, 2018 Dnes6d 1h €10
Launching ICO and need a variety of aspects done I'm launching a decentralized platform for sports betting which will also have it's own unique features unlike other sportsbooks I will compete with, and will be adding financial markets to the platform very soon after . It will be ALL crypto currency pairs at first until we have regulation to offer "securities" .. This is included in our road map. So, I need a tea... 4 Web design, Blockchain, Ethereum, Web Development, Full Stack Development Jan 16, 2018 Dnes6d €2383
Build ICO back end Need to build ICO back end system with 2 level pre sale option and crowd sale. The token has to be based on ERC20 system. 40 PHP, Blockchain Jan 16, 2018 Jan 16, 20185d 23h €1076
Ready Made Cryptocurrency Exchange Need Ready Made Cryptocurrency Exchange Script References - [url odstraněn, pro zobrazení se přihlaste] [url odstraněn, pro zobrazení se přihlaste] 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 dep... 8 Bezpečnost na webu, Bitcoin, Blockchain, Ethereum Jan 16, 2018 Jan 16, 201812d 23h €2324
Web design, Internetový Marketing, Bezpečnost na webu, SEO, Blockchain Jan 16, 2018 Jan 16, 2018Ukončeno
Blockchain exp developer with golang for crypto currency customization 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... 10 PHP, Golang, HTML, Blockchain, Ethereum Jan 16, 2018 Jan 16, 20185d 22h €11
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... 2 PHP, Golang, Bitcoin, Blockchain, Ethereum Jan 16, 2018 Jan 16, 20185d 22h €2
cryptocurrency analysis (seesaw method algorithm) I need someone who is skilled in seesaw method (think PIVX). I am trying to make a prediction or basic analysis table of what to expect for future etc.. So please be able to understand seesaw method, master nodes, stakers, POW vs POS, coin supply. Mainly trying to understand and figure out that... Every block at POS phase carries a reward which is split between masternodes and stakers via see... 8 Algoritmy, Kryptografie, Matematika, Blockchain, Ethereum Jan 16, 2018 Jan 16, 20185d 21h €17
crypto exchange. Erc20 token exchange - peer to peer I have started my project in Lithuania. An Erc20 token which is based on our real estate business. I would like to build a crypto exchange. similar to [url odstraněn, pro zobrazení se přihlaste] /[url odstraněn, pro zobrazení se přihlaste] where people will be able to exchange our token with ethereum. 17 Blockchain, Ethereum Jan 16, 2018 Jan 16, 20185d 21h €934
Custom ALT Coin Development Hi, Hope you all are doing well ! We are looking for custom Altcoin Development based on Bitcoin / Litecoin / Monero or similar. If someone familiar with cryptonote then it will also good. 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 6. Android Wallet 7. ... 30 Programování v C, C++ programování , Bitcoin, Blockchain Jan 16, 2018 Jan 16, 20185d 20h €5606
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, Softwarová architektura, Bitcoin, Blockchain, Ethereum Jan 16, 2018 Jan 16, 20185d 19h €1168
Blockchain Event Ambassador The blockchain event will be held in London on 22 Jan. A huge crowd of blockchain and cryptocurrency experts and investors will be present. We are attending the blockchain event. We are priviledged to be given a premium booth to promote our project on 22 Jan (1-day). As such, we need an ambassador at the booth to help introducing our project to interested parties and answering their queries. ... 10 Angličtina (UK), Komunikace, Blockchain, Ethereum Jan 16, 2018 Jan 16, 20185d 18h €33
forum posters in bitcoin talk forum I need 3 people with bitcoin [url odstraněn, pro zobrazení se přihlaste] accounts to post at least 3 times per day on my thread each for 1 week 4 Zveřejňování příspěvků na fórech, Bitcoin, Blockchain, Ethereum Jan 16, 2018 Jan 16, 20185d 18h €15
Cryptocurrency Exchange Hi, I'm looking to build a cryptocurrency exchange in India. I saw that you had bid on another project before this, so am contacting you. Its a P2P exchange with charting and open order book. Will need 10 tokens. What language is your existing codebase written in? Regards, Gaurang Poddar 6 Blockchain Jan 16, 2018 Jan 16, 20185d 18h €5629
Decrypt Blockchain Money I am looking for someone to help me get money locked up on blockchain that I can't access. I think its secured with a private key and needs to be decrypted? I'm trying to help out a friend so I don't know if this is even possible? 12 Bitcoin, Blockchain Jan 16, 2018 Jan 16, 20185d 16h €130
I need to create a cryptocurrency wallet with latest security... I need to create a cryptomoney wallet with the latest security advances for my users and clients .... For example: Coinbase or Blockchain ... I want a professional and quality work ... I do not have problems for prices and I can pay very well as long as everything I need is reflected 100% at work ... I know what I want and what I need and I will explain it with more details later. I'm lookin... 16 Softwarová architektura, Bitcoin, Blockchain Jan 16, 2018 Jan 16, 20185d 15h €1178
bitcoin buy and sell. I need a new website. I need you to design and build it. 37 PHP, Web design, Grafický design, Blockchain Jan 15, 2018 Jan 15, 20185d 14h €1122
App Development of a delivery software - open to bidding Need to make an app how uber works but with a delivery based application. Need to give us back the ids, passwords once the work is completed 5 PHP, Python, Linux, Bitcoin, Blockchain Jan 15, 2018 Jan 15, 20185d 12h €123
Create a B2B Ethereum blockchain like ledger for inventory management and product registration I'd like to create our own proprietary blockchain inventory for live marine fish and corals we ship and receive. I want someone who can work about 5-10 hours each day on the project 5 days minimum per week. You will be working on a shared screen either through teamviewer or joinme. I monitor all progress and all files worked on will be edited locally, and at end of day we commit to our github... 1 PHP, Javascript, Řízení zásob, Blockchain, Ethereum Jan 15, 2018 Jan 15, 20185d 9h €4
Explaining to me + building a cryptocurrency from scratch Hi, I currently want to release a new cryptocurrency of my own.. I'm clueless about this stuff. I understood that programming a cryptocurrency is the easy part. I want someone to explain me everything in that criteria and to be the person who execute. Please bid only if you have proven experience with crypto's and do not bid too high! Automatic bids will be reported. 4 Bitcoin, Blockchain, Ethereum Jan 15, 2018 Jan 15, 20185d 9h €29
Blockchain Programmer We are a Company based in Monterrey, Nuevo Leon, México. Looking for young people who have knowledge on programming using blockchain as well as Ethereum network. The proyect consist on developing a platform at a national scale, where people will be able to exchange asset in a secure way. The candidate must know to create smart contracts, write and search information on the blockchain, basic... 3 Programování, Blockchain, Ethereum Jan 15, 2018 Jan 15, 20185d 8h €21
create an erc 20 token and list it on yobit create an erc 20 token and list it on yobit 10 Bitcoin, Blockchain, Ethereum Jan 15, 2018 Jan 15, 20185d 5h €92
Create blockchain ledger for inventory I'd like to create our own proprietary blockchain inventory for live marine fish and corals we ship and receive. I want someone who can work about 5-10 hours each day on the project 5 days minimum per week. You will be working on a shared screen either through teamviewer or joinme. I monitor all progress and all files worked on will be edited locally, and at end of day we commit to our github... 10 PHP, Javascript, Softwarová architektura, MySQL, Blockchain Jan 15, 2018 Jan 15, 20185d 4h €7
Cryptocurrency Exchange like Binance or Bitrex or Polenex Hi. We need a complete crypto exchange with all the API's and wallets like the one mentioned with google 2FF authentication , wallets , deposit and withdrawn function with 50 cryptocurrencies [url odstraněn, pro zobrazení se přihlaste] features of the sample exchanges to be present and can be a cl-one of any of above. Also the top up method should be credit/debit card apart from c... 21 PHP, Bitcoin, Blockchain, Ethereum Jan 15, 2018 Jan 15, 20185d 4h €2378
Advisors and experts required for advisory services Dear All , we are looking for the advisors and experts for our project who have the experience in big 4 audit firms and banks . we looking advisors in Block chain , ICO experts , Financial Advisors , TV channel production advisors , IT advisors and experts . linked in profiles and twitter accounts necessary with plus 500 connections and followers kindly bid the reasonable price for the... 3 Twitter, Finanční průzkum, Linkedin, Instagram, Blockchain Jan 15, 2018 Jan 15, 20185d 3h €205
Smart Contracts for Ethereum Network Looking forward to work with developers with in depth knowledte of smart contracts for Ethereum Network. Project will be discussed in details as specs are almost ready. 18 PHP, Bitcoin, Blockchain, Ethereum, Web Development Jan 15, 2018 Jan 15, 20185d €2030
need blockchain developer need blockchain developer 1 Blockchain Jan 15, 2018 Jan 15, 20185d €17
ICO WhitePaper Required I need this to be similar style to [url odstraněn, pro zobrazení se přihlaste] I will provide images and intro headings and most points to ad. Your job is to put it all together into a great white paper that will wow potential investors! Only apply if you have done this before. 15 eKnihy, Bitcoin, Blockchain, Ethereum Jan 15, 2018 Jan 15, 20184d 23h €192
Project for Ruihe R. Hi Ruihe R., I noticed your profile and would like to offer you my project. We can discuss any details over chat. 2 Python, Softwarová architektura, , Bitcoin, Blockchain, Ethereum Jan 15, 2018 Jan 15, 20187d 22h €215
ethereum smart contract for ico crowdsale I need token creation and smart contract created and set up on my site for ico 13 Blockchain, Ethereum Jan 15, 2018 Jan 15, 20184d 19h €181
Software Development Need to hire 6 Freelancers Build a complete Peer-to-peer Bloackchain Application, using NEO platform ([url odstraněn, pro zobrazení se přihlaste]). Build an ICO Platform to support the Peer-to-peer Blockchain Application. Build own crypto currency and wallet. Build NEO Blockchain using C# and Java ****Experience in the above is compulsory**** You are required to have a team with p... 41 Programování v C, Java, C# Programování, Softwarová architektura, Blockchain Jan 15, 2018 Jan 15, 20184d 19h €52859
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... 28 PHP, Kryptografie, Bitcoin, Blockchain, Ethereum Jan 15, 2018 Jan 15, 20184d 19h €1091
BLOCKCHAIN WEB & APP based on NEO CODE In search of expert developers (agency) who can build BLOCKCHAIN WEB AND APP (based on [url odstraněn, pro zobrazení se přihlaste] codes). Your team must be well verse in JavaScript, Android, iOS, Website development. The price for this project is USD 60,000 but I am willing to pay higher rates for the most experienced freelancers. 38 Javascript, Python, CSS, C# Programování, Blockchain Jan 15, 2018 Jan 15, 20184d 17h €51830
SPECIALIST BLOCKCHAIN TECH/ CRYPTOCOIN WE ARE LOOKING FOR A BLOCKCHAIN TECH/ CRYPTOCOIN SPECIALISTS FOR A SPECIFIC PROJECT PLEASE TELL US WHAT YOU CAN DO FOR US Cryptocoin Launch (ICO) Website coding App Coding Blockchain Coding Design 35 PHP, Bezpečnost na webu, Projektový Management, Blockchain, Ethereum Jan 15, 2018 Jan 15, 20184d 16h €14
Crypto coin I want to create crypto coin with exchange, lending. Send me detail proposal. 23 PHP, Codeigniter, MySQL, Bitcoin, Blockchain Jan 15, 2018 Jan 15, 20184d 16h €5564
Development of Cryptocurrency with Cryptonight algorithm with Premine and Wallet Development. I need to develop a cryptocurrency based on cryptonote protocol with cryptonight algorithm with premine. Please apply if you have experience and know exactly how to do this. Also give me a quote for when the project will be completed. I need this done ASAP 7 Blockchain Jan 14, 2018 Jan 14, 20184d 14h €2328
Random Blockchain We have the following high-level requirements for our project. (below maybe updated further) 1. We need the ability to select a random Tx ID in a blockchain wallet that is deduced from the hash id of future blocks. This needs to be agnostic of blockchain 2. Author smart contracts based on a given outcome to a random transaction 13 Javascript, Bitcoin, Programování, Blockchain, Ethereum Jan 14, 2018 Jan 14, 20184d 13h €254
Looking for someone to write an Ethereum ERC20 contract using pragma solidity Looking to do something like crypto20 and need someone to write the smart contract and web interface using pragma solidity and the ERC20 standards. 16 Programování v C, Javascript, Softwarová architektura, Blockchain, Ethereum Jan 14, 2018 Jan 14, 20184d 12h €746
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