Independent on-chain checks of Robinhood's 203 Stock Tokens on Robinhood Chain (chain id 4663): supply reconciled against the full mint and burn history, multipliers against Robinhood's list, look-alike contracts. Paid JSON API via x402 (USDC on Base or Arbitrum One, $0.002-$0.01 per call) and a free address lookup. On-chain observations, not financial advice.