← The evidence ledger
Evidence row 75166
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://fiatdock.com/s/svc_b459b285-77ee-4882-88c4-b08f4a401b91
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- cb5103b5d00a1655bdf454db8f8edea925d7333cff13bca377f2e2e99c577bc9
- Leaf
- 0x92fdfb60e3b62d754039d51f5d15eacfaf05152b94cba333f52b2c0ecb0e9ccb
What was observed
{
"endpoints": [
[
"x402",
"https://fiatdock.com/s/svc_b459b285-77ee-4882-88c4-b08f4a401b91"
]
],
"name": "FiatDock Marketplace",
"owner_address": "0xfe257ef6dc89f5b688ac52ef3eb8648c629fa9c4",
"raw": {
"accepts": [
{
"amount": "8000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xFe257Ef6Dc89F5b688aC52Ef3eb8648C629fA9C4",
"scheme": "exact"
}
],
"description": "Pay-per-call: true402 Transaction Simulation — preflight a transaction before you sign (revert, approvals)",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"note": "The seller's own response, passed through unchanged. Settlement headers are added: X-FiatDock-Settlement (tx hashes), X-FiatDock-Fee-Bps, and X-FiatDock-Receipt (proof-of-purchase for a review)."
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"jsonrpc": {
"description": "\"2.0\" — the body is forwarded VERBATIM to the seller's MCP endpoint, so send whatever that server expects",
"type": "string"
},
"method": {
"description": "e.g. tools/call",
"type": "string"
},
"params": {
"description": "the seller's own tool name + arguments. The example body above is EMPTY on purpose: this listing's required arguments are not published here, and a call missing one can come back as an argument error, which is settled as your call. Read the callable shape of every tool on this seller's server free at GET https://fiatdock.com/v1/marketplace/services/svc_b459b285-77ee-4882-88c4-b08f4a401b91?include=schemas",
"type": "object"
}
},
"required": []
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1786649692/bazaar-icons/a8ca40512a3f380b.png",
"lastUpdated": "2026-10-18T19:48:42.05Z",
"quality": {
"l30DaysTotalCalls": 13,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-18T19:48:41.426Z"
},
"resource": "https://fiatdock.com/s/svc_b459b285-77ee-4882-88c4-b08f4a401b91",
"serviceName": "FiatDock Marketplace",
"tags": [
"mcp",
"marketplace",
"x402",
"finance"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Pay-per-call: true402 Transaction Simulation — preflight a transaction before you sign (revert, approvals)"
}What the leaf hashes
{"body":"cb5103b5d00a1655bdf454db8f8edea925d7333cff13bca377f2e2e99c577bc9","id":75166,"kind":"listing","method":"baseline/1","observed_us":1793025490134530,"prev":null,"subject":"x402_bazaar:https://fiatdock.com/s/svc_b459b285-77ee-4882-88c4-b08f4a401b91","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x92fe243099d09e959e4db3cb31e0ed8e95e67c79aec1157832d011c31286ee4a
- 0x9564248645be73bb2ecb4762f407868106a86f521a70f833a11b137523ca0e38
- 0xef531b38d2af62a4dfbec08bea4274f89bc1b3e32e122b459bf978c9bcb9ba75
- 0x997f155f0f54221ce69919c36a61af05f31f25c3d1489a8247cb5a474adec286
- 0x335c901d309b5e2f081c4680bf4f49a93d0f00d00f87aed0a0ff4f3ca2c4d300
- 0xdd9796cf4c70efb9de366ef2a1b234b7c0a58f9af2c9825a9ebb5b19e5702373
- 0xd4fdcdd896810dd44671463e939ff70dbb5eaa1afbe78cdbe5add9aefb18954d
- 0xbf37a472631f7c9f2e6dcf91995f374227363448f4a983b461387ff216185751
- 0x5b65de95c5a7ba5b8c5e80ff96aa7a6db82e0e4dace39875ce6ceeb7e99207e0
- 0x578356ff984cd9d8af7804ab292b224cedc3adc7906f706cb4393c7f03af33b7
- 0xdcd590752acb338329aec3087ddc69ef4b8fcbe0bb91a9b8e37e17c10a9dfe92
- 0x3b55f6d5345bce3e1332e014f19526d25328fb6283d3518837a015c3621c0d1c
- 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
- 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
- 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae