Blockchain Jobs

We started a cryptocurrency exchange on freelancer. But due to the freelancer taking more than 6 months to develop instead of 45 days we had to stop with him. We need a developper or a team that will be able to finish the job that has beeen started. The exchange need redesign and implementation of ethereum node. The coin traded will only be ER20 tokens.

Create alt coin bounty program account from scratch. Please see attached document for details. Progress will be monitored daily including accrual of daily alt coins earned totals. I take possession of all accounts at the end of the project. If you would like to bid on this job please attach a list of what you will deliver and when. I will know then that you read and understand the job.

I am looking for a core software component in python (v3.7 or v3.6) that allow scale the bitcoin payments processing at any store without headaches while the payments privacy remains undisclosed by third party services. In resume a simple function that takes as parameter one BTC public address and the minimum numbers of confirmations required. This function will return the confirmed and unconfirm...

Do you know the ETH and MDZA? Please bid on this if you know convert eht to mdza.

For verification we must learn ABI-encoded. I have normal ABI but need ABI-encoded

Help connecting bitcoin wallet with market app in ubuntu

Platform: PHP & MySQL Create a new website with below main functions: - Member Login - Member Profile (Upload ID Card and Address Proof) - Auto Create Crypto Wallet (BTC wallet address and ETH wallet address) - Check the wallet's balance - Member Post Cryptocurrency Selling Post

i m looking for a block-chain developer. he need to know about wallet, exchange, nodes, Ubuntu, and React.js only expert person bid here.

I'm looking for a blockchain developer who is good at coin fork. Developer should experienced at building daemons, coin fork, ERC20, ICO, smart contract and so on. Please kindly bid on my project and share your past works with me.

Create a new coin multi algo coin like [login to view URL]

Hello, We are looking for person who can build as Strategy for Auto-bot trading in crypto currency. You need to have experience with Forex or crypto trading.

Hello, I need someone with good experience on Gekko or any crypto currency Bot with existing strategie and can make profit. Please contact me only if you have some demo to show.

I need someone who can fork Stellar Blockchain and create a new cryptocurrency & token. further details will be provided. P.S: Only apply if you have forked any Blockchain and know how Stellar works to save each other's time. 1. Can we change consensus mechanism of Stellar? 2. If not, what can we change so that it does not look like copy of Stellar ? 3. Can we put lock/unlock feature ...

Blockchain thematics, the price is 5$ for 1800 symbols of English text

Remittance on stellar network. Want to lunch ico on stellar

Want to issue tokens on the the stellar network

I have a DASH/Polis (masternode coin) fork that is stuck on a particular block, I know what the issue is - what but I need some advice on possible resolutions. I am looking for someone with expertise on forking blockchains - and C++ development in an Ubuntu environment.

Main goals: to invent the simplest technical solutions for business problems; writing a technical task and setting tasks for developers (solidity, javascript, html, css); code review, control of developers and ensuring the implementation of development plans in a timely manner; participation in the writing of documentation; hiring developers (forming requirements for candidates and conducting inte...

Read the software requirement document carefully and contact me through pm if you are qualified and ready. Dont contact if you havent gone through it.

Contact me for more info. Lets discuss on my requirements. Its a startup.

Need to know the knowledge of Blockchain algorithm and FPGA programming(VHDL/Verilog), C++ programming. Will discuss more via interview.

Hiring an Ocaml and Blockchain developer for long term contract. Must have: 3+ years experience of Ocaml/Haskell/F# or any other functional programming language. 3+ years experience of Blockchain development It would be great if you already have experience to develop a blockchain protocol with Ocaml language. [login to view URL] I want to implement this protocol. so if you have a basic understan...

I am looking for a blockchain expert for one of the project that I have. Details will be shared later after signing NDA.

I just need to build a pos/mn coin (75% mn / 25% Stack) Reward Blockchain. wallet : windows, linux, mac

Looking for an algorithm developer with a minimum experience requirements: 1- experience in cryptography and blockchain 2- knowledge in IoT networks simulation Details will be given later.

I wish to make a new version of a crypto wallet and have it called v1.0.3 as my own version. Everything else will be the same as wallet

hashing to the final hash in hash chain through python code. all explained throughly in pdf files.

Take the most profitable reliable crypto bitcoin alt coin forex trading strategies and program them into Mudrex Algo Trading platform (theres examples on the platform) - [login to view URL] (see visual below) Then I want you to run some backtests on their platform to prove they are above average profitable trading strategies and work. Please type "WIN" in project proposal to let me know ...

Hello, This app is about Courier service. Design & Graphics I'll provide. I have attached a zip file regarding App info. Please check that & let me know your best quote & timeline. Thanks! Regards, rahatrafi

I want the model diagram that show user layer, traceability system layer and blockchain and how they are connected in Fashion Supplay chain.

Hi I'm looking or a full-stack developer to create a crypto based search engine with elements similar to brave browser & presearch. I require a scalable solution for feeless user transactions so users aren't burdened with having to pay fees to transfer/withdraw our token.

p2p lending Cryptocurrencies Mortgage loan Website creation It must be fast and clean. Backends require a lot of functionality sms Bank api Ether connection ERC-20 connection Automate bit coin deposit and withdrawal

Hello, we're looking for a Ruby on Rails developer to work on the back-end of a cryptocurrency exchange. You'll join a team of 3 Ruby on Rails developers, follow the main developer instructions and work on the API part of the application. The front-end is done by another developers in React/Redux. You must know the best practices and be able to give advices on developments. Please det...

Have an old coin that I want to take back and make a few changes to to ensure its future. Also need to make a new wallet version and secure it. Partnership is available for right person

Hi. I am looking for some who can create a Cardano Cryptocurrency node.

An Online crowdfunding platform for tokenizing real estate. [login to view URL]

I have a token built on Ethereum Classic and I would like a game made that will work for my erc223 token. I will only reply and consider those that reply to in comment or pm what game you can make for me. I'll need the full development, smart contract for game and full website backend/frontend development.

We require a blockchain exlore for a coin forked off of the cryptonote chain, You will be using an existing design available in a repository on github. The repo is complete with GUI UI we will just need to edit for our use. Require skills : C, C++, C#

I need an cryptocurrency wallet Android app. I would like it designed and built. More details in inbox (Removed by Freelancer.com admin)br /> PAYMENT ONLY ON COMPLETION SEND OFFERS IF ONLY YOU AGREE

Precisamos que seja feita uma blockchain básica e que tenha peer-to-peer, algumas características devem ser seguidas.