Solidity projects — HireLancer archive

ID / Date Listing

Blockchain Developer | Solidity | Smart Contract

We are looking for a Blockchain developer to develop a School/University certificate verification system. Write BTC Before bidding

Solidity Developer

Cerco developer Solidity per realizzazione smart contract in vari ambiti. Si richiede esperienza e capacità di realizzare lo sviluppo integrato al contesto del...

create a smart contract

create a smart contract on bep20

Verify BEP20 token contract on BSC

Verify BEP20 token contract on BSC by dealing with contructor

Solidity Developer

We are looking for an extremely skilled solidity developer

Full stack blockchain developer

Hi, I have NFT minting site and it is almost completed. I am looking for a full stack web developer who can complete it within today. You must have rich experie...

Integrate Winter Wallet, Deploy Smart Contract

We need to integrate Winter Wallet checkout widget to purchase NFTs on our website. A smart contract needs to be deployed to the Goerli TestNet and address need...

Pilot Task for Solana blockchain project

This project will be long term and big, but we want to start with small task to test your skills

a complete dapp

UI , front-end , back-end, smart contract, contract audit, off-chain database

Decentralized exchange that work in any network

I want to run decentralized exchange that work and swap in any network work. Sample : Rubic exchange We need following thing Run ICO Register in Kucoin lunchpad...

Unity Developer has experience web3

I have a game which was made with Unity. And I have a NFT collection and that is already deployed, has Opensea URL. I want to integrate that to the ethereum blo...

Launch ETH Token With Website From My Figma Design

I have a Figma design, and tokenomics for a token I want to launch on the Ethereum network. Need a developer to do front end integrations, and create token cont...

Unity Developer has experience web3

I have a game which was made with Unity. And I have a NFT collection and that is already deployed, has Opensea URL. I want to integrate that to the ethereum blo...

Migration tool needed

cross chain and evm chain ( need to be able to set the chain from and to) migration tool: 1SETUP -Set chain from, token/tokens or coin/coins/ or both (could be...

Blockchain dapp is needed

cross chain and evm chain ( need to be able to set the chain from and to) migration tool: 1SETUP -Set chain from, token/tokens or coin/coins/ or both (could be...

Crypto dapp as follows

cross chain and evm chain ( need to be able to set the chain from and to) migration tool: 1SETUP -Set chain from, token/tokens or coin/coins/ or both (could be...

Dapp needed: give your REAL price and timeframe.

cross chain and evm chain ( need to be able to set the chain from and to) migration tool: 1SETUP -Set chain from, token/tokens or coin/coins/ or both (could be...

Saas tool: migration tool

Wanna it in 2 days maximum. READ And answer with your PRICE and TIMEFRAME. if your offer is a copy paste i will immediately delete it. cross chain and evm chain...

Saas tool: READ AND OFFER YOUR PRICE AND TIME, WILL NOT LOSE TIME ASKING QUOTATIONS, THE OFFER YOU SEND IS THE QUOTATION.

cross chain and evm chain ( need to be able to set the chain from and to) migration tool: 1SETUP -Set chain from, token/tokens or coin/coins/ or both (could be...

Need a smart contract developer who can write a code for details below :- -- 2

We want the software to do the below stuff: It should generate Btc Fake Transaction(flash btc) with the below features: - -Defined the time that the transaction...

Use web3.js or ethers.js to connect index.js file to flashloan smart contract

If you are well experienced in crypto arbitrage, web3/ethers and solidity please contact me for more info.

Unity Developer has experience web3 -- 2

I have a game which was made with Unity. And I have a NFT collection and that is already deployed, has Opensea URL. I want to integrate that to the ethereum blo...

Unity Developer has experience web3

I have a game which was made with Unity. And I have a NFT collection and that is already deployed, has Opensea URL. I want to integrate that to the ethereum blo...

Xen minting bot

This task is required to implement the following functionalities: 1. Wallets creation: Auto create 10000 metamask/ETH wallets 2. ETH distribution: Auto distribu...

Crypto Project -- 3

Hi, I need someone who understands the following Technology Stack & Tools - Solidity (Writing Smart Contract) - Javascript (React & Testing) - [Web3](https://we...

Add 3 functionalities in 2 smartcontracts, solidity

This is a micro work I need : I need to add 3 functionalities on 2 contracts (vesting, lock) : 1-setfeetouse in bnb to use the contract, it will be charged ever...

Crypto Project -- 2

Hi, I need someone who understands the following Technology Stack & Tools - Solidity (Writing Smart Contract) - Javascript (React & Testing) - [Web3](https://we...

Creation of a dapps to rent these nfts on polygon

Creation of a dapps to rent these nfts on polygon

NFT Marketplace Web3 DApp

Hi We are building one nft marketplace. For now, site frontend is almost done. and we need web3 logic into the site. If anyone is interested in, please bid with...

add SetTokenURI function to OpenZepellin contract solidity

Hi Im having problem with adding SetTokenURI function on my smartcontract , function has been added but data is not saved on chain. I need a exaple of ERC721 co...

Crypto Bot Project -- 2

Have discussed details with chosen Freelancer. not an open position.

Help me understand the functionalities of a Token Contract

Hi there, I'm a Solidity learner. I've a Token Address (https://bscscan.com/address/0x609b88f5a4abb7a55ba0c6d255c3f1b1bc7a4d76). You need to help me understand...

Looking for NFT marketplace developer (Only developers from Serbia)

I am seeking blockchain developer who can make NFT minting tool for our NFT marketplace. Please apply if you are from Serbia. Thanks Dejan

Solidity smart contracts development

I need a full time developer or a team to work on my various blockchain/crypto based projects. The person should have good communication skills and should have...

Fix ico project in remote. (Fix walletconnect issue)

Problems to fix: -general issues with walletconnect -if i connect the wallet trough wallet connect it get's connected but when i try to purchase the tokens it d...

Need frontend and smart contract for ReflectionToken

Our team is looking for blockchain developer who can develop dapp and smart contract on binance smart chain. We have some frontend and smart contract code so yo...

Look through some code

I need someone who is good at coding to run through some code for me

pancakeswap fork

pancakeswap fork whith full functions

Looking for a full-stack developer

Hello. I am looking for a full-stack developer who will make an NFT MINT site for me. The design and arts are already ready. I will share it with the right pers...

IPFS pining and storage service

Create a blockchain storage service based on IPFS and use filecoin to make a pining service. also Need a dashboard where users can manage data.