What is Sherwood Exchange (SWOOD)

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Sherwood is a privacy-focused exchange deployed on Robinhood Chain (chain ID 4663), an Arbitrum Orbit Layer 2. The protocol consists of a shielded multi-asset pool that holds value in private notes using a zero-knowledge commitment/nullifier scheme (Groth16 proofs over a Poseidon Merkle tree), and a public swap aggregator that routes orders across Uniswap v2, v3, and v4 liquidity on the same chain. Users can shield assets, transfer them privately, swap through public liquidity while re-shielding proceeds, and withdraw to any address, with the deposit–withdrawal link broken by a relayer. The protocol includes a compliance layer based on association sets ("proof of innocence"): every deposit receives an on-chain, sender-bound label, and every spend proves in zero knowledge that its funds belong to an approved association set. Supported assets include ETH, USDG, and 23 tokenized stocks issued on Robinhood Chain. SWOOD is the protocol's utility token, used for fee discounts, staking, and governance signaling. The application is live at sherwood.spot and the codebase is public on GitHub.