Newton demo shows permissioned Uniswap pool checking offchain investor data at each deposit

Newton's Pool Guard demo shows a permissioned Uniswap pool where an issuer's offchain investor register stays offchain, with Newton checking each wallet at every deposit and publishing only the decision. A Google Sheet stands in for the register; a deposit within limit is accepted, one exceeding it refused. The demo runs on Sepolia with test tokens and a Uniswap v4 hook. The article ties this to the SEC's 17 September 2026 Innovation Exemption, which caps tokenized stocks at 0.25% or 2.5% of average daily volume and requires verified wallets and screening records.

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