Bills on Chain (BOC) is a blockchain-based rewards ecosystem that allows users to monetize their everyday spending habits. By uploading valid receipts, users earn IDLE tokens and unlock collectible NFTs through a secure and transparent process. Hedera blockchain technology ensures tamper-proof bill verification, while Solana provides rapid token distribution and low transaction costs. BOC supports receipts from any retailer and encourages community engagement through reward pools, NFT achievements, and decentralized incentives. The platform combines loyalty rewards, NFTs, and cryptocurrency into one seamless Web3 experience.