[TECH TRANSFER] HaoPay — Non-Custodial USDT/USDC Multi-Chain Merchant Payment System (source code + contracts + domain + HPY token)
HaoPay is a live non-custodial USDT/USDC merchant payment system (
https://haopay.xyz): merchants integrate via API, funds settle on-chain directly to the merchant's own wallet, 0.09% protocol fee enforced by smart contract. 7 chains: Ethereum, Optimism, BNB Chain, Polygon, Base, Arbitrum, Linea. Full stack: merchant dashboard, Orders API, checkout pages, webhooks, admin panel, developer docs. Stack: Vite + React (RainbowKit/wagmi), Node.js + Express, multi-chain smart contracts.
Included: full source code, deployed contracts, domain haopay.xyz, docs, 30 days handover support, plus the HPY token (ERC-20 on Arbitrum One, 100M fixed supply, ownership renounced, verified source, Uniswap v3 HPY/USDC pool) with quarterly fee buyback mechanics (70% burn, 30% dividend pool).
Disclosures: zero paying users, contracts not yet third-party audited, HPY has negligible trading activity — priced as a technology transfer at $10,000, negotiable. Individual developer, no company entity. Formal transfer agreement + escrow.
Contact:
keguihua1105@gmail.com / Telegram @huafire777
