Ethereum jobs

Hello, I am looking for experienced Blockchain developer. Kindly bid only if you have work/example to show on blockchain. I will pay USD 10/hr so bid only if you are fine with rates.

Looking for a Cryptocurrency Marketing Ninja! Someone who knows in and out the Cryptocurrency Online Marketing including: -Influencers -Blogs -Telegram Marketing -SEO, SEM -PPC -Social Media -Blogs -ICO Marketing -Ads Placements -Forums and more ... Please apply asap to be hired asap! You will be asked to answer the following questions when submitting a proposal: How well do you ...

Make a smart platform on EVM/solidity. Smart contract must realize some timemanagment logic, auth, system rights, low level implimentation AI(if-else programm), protecting of client data in bytecodes of ethereum network. Solidity or Js mocha tests for code.

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Hello, everybody i have forked phore coin. but i can not build windows qt wallet now. if you can and you have demo , please bid payment will be released once i can compile done. Thanks.

I need someone who already has the source code to create an Etherum Wallet (send, receive, QR) for Android and iOS.

We are look for a blockchain/ethereum expert to work on our ICO Web Project.

Hello i did a fork of PVIX blockchain and i want to build a multi signature wallet

Create ERC20 and ERC721 tokens on Ethereum blockchain More to be discussed if you have experience with cryptocurrency blockchains.

I want to build a gambling website based on the blockchain. I shall show you an example from where we may proceed in detail. I need the person to have strong knowledge of Blockchain, Game development and Web development. Further details can be discussed on chat

Hi, ONLY BID IF YOU HAVE CREATED THIS BLOCKCHAIN IDEA BEFORE: I need a quick POC blockchain: a social network but only the very basic working at this moment. So, I can add you, you can add me, that sort of a thing. Can you provide me with this now? Thanks and regards, Ndroi

Hi Freelancers. I'm looking for similar service as primablock - a service to pool funds(ETH) from a large group and after this send them to 3rd party. You can learn more here: [url removed, login to view] [url removed, login to view] And here is a very informative blog post about the development of primablock: [url removed, login to view] Would you be able to deliver a service l...

Details as discussed on the chat

We need someone to create the Decentralized marketplace for skins ( video games ) For more information about whole project contact me.

We are looking for a developer who can build chat app for us. This is a long-term project so please don't think to complete fast and finish the project. App similar to Telegram app. We are from Anand so you have to come and meet us regarding this. Must have knowledge of blockchain&Ethereum&Bitcoin

I would need someone to implement a Smart Contract for an ICO's investing platform for my startup company. The contract would need to collect funds from a range of whitelisted addresses, then take away a fee and send the remaining ETH to an address chosen by the creator. I would need you to develop a user interface for both the investors and the creator of the contract. Previous wor...

Hello looking for a great guy to look into all 4 contracts and make sure all is good within the contract. I will hire 2 people.

Hello looking for a great guy to look into all 4 contracts and make sure all is good within the contract. I will hire 2 people.

can you modify ethereum source ? CPU Resource is used for as is POW (proof of work) 100% (10 minute) to be running other process 80% (8 min.) , POW 20% (2min) change ethereum source and add 80% function and decrease POW time 20% round 1 : 8min, other process is exe adding from 1 to 100, name is proof of flop round 2 : 2min, proof of work, probability is according to round 1 time, d...

Looking for an expert who got on-hand experience from drafting till project implementation for ICOs and Implementation. Project cost mentioned is adhoc, will be finalised after selecting the appropriate personnel Thanks Happy bidding.

I have a successful blockchain project, I am planning an ICO, with a token sale and also a pre-sale. Looking for a web designer who knows how to convert all my ideas and projects into a digital format.

We are a new Cryptocurrency Coin and we are currently seeking individuals to complete our Team of Advisor. If you are interested please let us know your availability. Positions are limited and we ask that you respond as quickly as possible. Please send all responses to [Removed by Freelancer.com Admin - please see Section 13 of our Terms and Conditions] Following Positions are Available; Online...

Hi, I need Crypto exchanges for some of my projects. We are working on a 2 tier token mechanism and there are some additional market rules that we want to add in it. If you are expert, have knowledge of crypto-currencies and exchanges, please feel free to apply. More details to be shared with shortlisted candidates. Agencies and freelancer, both are encouraged to apply. Again, my primary con...

I am looking to do a similar service as “prima block” - a service to pool funds (ETH) from a large group and after this send them to a 3. party. You can learn more here: [url removed, login to view] [url removed, login to view] blog post about the development of prima block: [url removed, login to view] Would you be able to program/deliver a service like this? Have you...

1. Please make the main diagram shows Smart contracts and the relationship between them for this project and show me, so prove you're just the best fit for it. (The detail explanation for this project is following) 2. Please show me the example of Smart contracts(customized ERC20 token, ICO, crowdsale) you developed. 1) Utility token smart contract - for ICO and distribution on Etheruem...

I need a price monitor for certain cryptocurrencies on https://www.bancor.network. I basically want the same display as what is at the top of the page (in the from and to token box), but I want to display multiple trading pairs on the same page. I do not need any of the functionality of the page for buying or selling, only the price conversion from the selected token and ETH. The amount to conv...

I would like to build a coin/cryptocurrency and a website for the ico.

I am looking for someone to create a fork of a masternode based currency with windows, linux and mac wallets and a blockexplorer.

I am looking for someone to create a fork of a masternode based currency with windows, linux and mac wallets and a blockexplorer.

need web based coin mining script like this one. [url removed, login to view]

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

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...

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

I need a smart contract developer for my contract. Please don't hesitate if you are senior smart contract developer. Thanks

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. ...

Need to write a report on blockchain. Expected to have deep knowledge on blockchain technology

I want to build a cryptocurrency bot for all currencies e for several exchanges example [url removed, login to view]

I would like to develop Dapp E-Wallet and website so I can send cyptocurrencies or fiat to my friends. Let me know if have done similar project so we can discuss further.

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

Looking for an experienced ghostwriter to take thoughts and ideas on the current blockchain industry and capital markets, and turn them into persuasive thought-leadership articles. Topics include pointing out hypocrisies in "decentralized" exchanges, democratizing ICOs, the new wave of ICOs coming in 2018, equity vs cash liquidity, and securities law; All of which should be geared toward...

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...

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...

The token has been created and is fully functional, we need to develop smart contract for ICO and pre-ICO plus cabinet investor

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...

Develop and ERC 20 token , dettails about the token will released in private. This is just the first task then we are looking to do the smart contract and the back end.

I will require an expertise in research and writing a report on the blockchain, smart contract in relevant to the financial industry. $130

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

Going to launch ICO, and need a freelancer to help creating smart contract in ETH. See our website at [url removed, login to view]

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...

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:...