{"service": "SmartFlow B20 policy-risk verdicts (free)", "usage": "GET https://verify.smartflowproai.com/b20/check?token=0x<40-hex> returns a two-dimensional verdict", "dimensions": {"state": "could a fresh buyer sell at the scan block (TRAP probe, empirical)", "control_surface": "who can change the rules after you buy (admin/policy slots)"}, "why_two_dimensions": "a one-color rating hides the main B20 risk: most tokens are sellable today AND one admin transaction away from not being", "census": "Source: SmartFlow Observatory block-zero B20 census. We have watched every B20 event since activation block 48379215 (2026-07-08 21:56 UTC); this is a complete census, not a sample.", "founding_pass": {"name": "Founding B20 Watch Pass", "price_usdc": "10 (one-time, 30 days, no auto-renewal)", "what_you_get": "watchlist of up to 10 B20 tokens: control-surface change alerts (admin renounce / policy flip / pause), exit-path status on every scan cycle, and the policy history of each watched token", "how": "POST https://verify.smartflowproai.com/b20/pass to get a payment challenge with a unique exact amount", "refund_terms": "refundable preorder: the watch service ships when 3 independent wallets have paid; if that gate is not met by 2026-08-31, every pass is refunded 100% to the sending wallet, no questions"}, "x402_settlement_gap": "x402 cannot settle on B20 tokens today (no EIP-3009). Our proposed b20 transfer method for the exact scheme: https://github.com/x402-foundation/x402/issues/2822"}