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GreenChain Carbon

Open

99 USDT

Description:

A carbon offsetting marketplace powered by blockchain transparency. Donation system with on-chain proof. web More detailed information will be provided in a private message or direct correspondence.

Expected practical experience:

Building and integrating smart contracts using Solidity or Rust. Working with major blockchain networks such as Ethereum, Polygon, Solana, BNB Chain, Arbitrum, and Optimism. Using Web3 libraries, including Web3.js, Ethers.js, Wagmi, and Viem. Developing features such as minting, burning, transferring, staking, governance, and bridging. Creating and managing NFT minting processes, metadata, and marketplace interactions. Understanding core Web3 security issues (reentrancy, overflow, phishing risks). Applying best practices from OpenZeppelin and performing basic smart contract audits.

Skills:

Node.js
Rust for smart contract development
React Native
NFT metadata creation and handling (ERC-721, ERC-1155)
Smart contract optimization and gas efficiency
Blockchain event listening and on-chain/off-chain synchronization
Familiarity with common smart contract vulnerabilities
Writing secure transaction flows and validation
Performance optimization of on-chain and off-chain components

Files:

Deadline:

February 16, 2028

Related project:

FutureChain Development Center

Created:

February 10, 2026

Customer:

Innovators Hub

Web3 Project Coordinator