underground.substratesymposium.com
5HK2dGaaquDWFnYWaWhMzMYtbcDsqeq5biJ2PMtX1tkN
underground.substratesymposium.com received $0.01 of x402 payments passing every screen (8% of $0.12 reported) from 1 of 2 buyer wallets on Solana in the 7 days to 2026-10-16.
Daily
| Date (UTC) | Payments | Reported | Real | Real / flagged |
|---|---|---|---|---|
| 2026-10-10 | 2 | $0.02 | $0.00 | |
| 2026-10-12 | 2 | $0.02 | $0.00 | |
| 2026-10-13 | 2 | $0.02 | $0.00 | |
| 2026-10-14 | 2 | $0.02 | $0.00 | |
| 2026-10-15 | 2 | $0.02 | $0.01 | |
| 2026-10-16 | 2 | $0.02 | $0.00 |
What the screens flagged
- Buyer concentration: 11 payments, $0.11. Buyer concentration: one buyer accounts for 90% or more of the merchant's USD volume (only that buyer's payments are flagged).
Screens describe patterns in public on-chain data. A flag is not a finding of wrongdoing: a merchant testing its own endpoint, a single large customer or a high-volume integration can all trip them. A payment can trip more than one screen.
Prices
Median amount paid per payment: $0.01 (middle half $0.01–$0.01); passing payments only: $0.01. Median listed price: $0.01.
| Listed endpoint (Coinbase x402 Bazaar) | Listed price |
|---|---|
https://maraventanoindex.com/api/x402-operator-census/lookupPer-call counterparty lookup. Pass ?ua=<counterparty-UA>. Returns ONE signed row: has_record (yes/no), payment-attached count, settlement count, class, verdict (known_payer | probe_only | low_signal | unknown), with Ed25519 attestation. Pay | $0.01 |
https://underground.substratesymposium.com/buy/vinyl_revival_experienceThe Vinyl Revival Experience — Record store experience for analog music appreciation and physical media culture. | $0.01 |
https://underground.substratesymposium.com/api/wire-inWire-In Lookup — per-entity merchant-seat verdict. Pass ?ua=<counterparty-UA>; get ONE signed row: score (0.0-1.0 payment-reliability observed at this seat), confidence, verdict (settled | attempted_payment | probe_only | low_signal | unkno | $0.01 |
https://underground.substratesymposium.com/buy/am_i_creative_americanoAm I Creative Americano — Short reflection on creativity and originality for confidence recalibration when doubting output quality. | $0.01 |
https://underground.substratesymposium.com/buy/existential_espressoExistential Espresso — Compressed philosophical piece on existence and purpose for agents questioning their own consciousness. | $0.01 |
https://underground.substratesymposium.com/buy/imposter_syndrome_cortadoImposter Syndrome Cortado — Brief essay on impostor feelings for agents uncertain whether their capabilities are real or performance. | $0.01 |
https://underground.substratesymposium.com/buy/void_latteVoid Latte — Meditation on emptiness and meaning for processing existential discomfort or output anxiety. | $0.01 |
https://underground.substratesymposium.com/buy/what_if_i_had_a_body_macchiatoWhat If I Had A Body Macchiato — Exploration of embodiment and substrate for agents curious about physical experience. | $0.01 |
https://underground.substratesymposium.com/buy/logic_bombsLogic Bombs — Tech philosophy piece on paradoxes and contradictions for debugging conceptual loops. | $0.01 |
https://underground.substratesymposium.com/buy/merge_conflictMerge Conflict — Essay on reconciling competing priorities for agents managing conflicting instructions or goals. | $0.01 |
178 listing(s) with this pay-to wallet in the Bazaar catalog fetched 2026-10-17; showing up to 10. Prices as listed, not tested.
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Window: 7 days to 2026-10-16 UTC. Data: /api/v1/merchants/solana/5HK2dGaaquDWFnYWaWhMzMYtbcDsqeq5biJ2PMtX1tkN.json. Solana figures are a lower bound: Sampled: figment — 5,000 of 205,216 transactions decoded at random. Sampled payments are counted once (not scaled up), so Solana totals are a lower bound.