← The evidence ledger
Evidence row 2199940
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agents.avasis.ai/v1/base/address-screen
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b4c7151defb7273ce1b3b1aebf5b9923c32a44ad864c2e9fe5ae3965a65a3f19
- Leaf
- 0x03fb61e1d06c7d80f928c8e3de39325844f4694592fa46ddf585f87c969ac856
What was observed
{
"endpoints": [
[
"x402",
"https://agents.avasis.ai/v1/base/address-screen"
]
],
"name": "Avasis Agent Platform",
"owner_address": "0x6264191d6dd5427435b5e829077842e130ef1fc8",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0x6264191D6dD5427435B5E829077842e130Ef1fc8",
"scheme": "exact"
}
],
"description": "Address screen on Base (chain 8453, $0.02): address -> CLEAR / CAUTION / BLOCK with reasons: OFAC SDN list hit, GoPlus address_security labels (phishing, theft, blacklist, mixer), EOA vs contract (proxy, ERC-20, EIP-7702 delegate), burn / precompile, never used (0 txs, 0 ETH, 0 USDC), known router / Permit2 / x402 facilitator labels, ETH + USDC balance. Phrases: address screen, is this address safe, sanctions check, wallet screening, payee check. GET or POST JSON. Never charged on 4xx / 5xx.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"address": "0xf977814e90da44bfa03b6295a0616a897441acec",
"chain": "base"
},
"type": "http"
},
"output": {
"example": {
"activity": {
"eth": {
"amount": "0.0421",
"price_source": "chainlink ETH/USD (latestRoundData)",
"usd": 95.37,
"wei": "42100000000000000"
},
"ever_used": true,
"tx_count": 499417,
"usdc": {
"address": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"amount": "15115.05",
"raw": "15115050000"
}
},
"address": "0xf977814e90da44bfa03b6295a0616a897441acec",
"advice": "no red flags on these screens; a clean screen is not a guarantee of intent: verify the counterparty yourself for large amounts",
"block_number": 53358100,
"chain": "base",
"chain_id": 8453,
"contract": null,
"goplus": {
"available": true,
"data_source": null,
"flags_block": [],
"flags_warn": [],
"is_contract": false
},
"headline": "0xf977…acec on Base: eoa, 499417 txs, 0.0421 ETH ($95.37), 15,115.05 USDC -> CLEAR (no sanctions or GoPlus flags; active address)",
"kind": "address-screen",
"labels": {
"burn": false,
"known": null,
"known_kind": null,
"precompile": false,
"relayer": null,
"relayer_basis": null
},
"note": "Screens public facts: sanctions list membership, GoPlus labels and chain state. They catch known-bad and obviously-wrong payees, not a counterparty's intent.",
"rail": "evm-address-screen-1",
"reads": {
"calls": 10,
"elapsed_ms": 0,
"rpc": "fixture"
},
"sanctions": {
"available": true,
"list": "OFAC SDN digital-currency addresses (0xB10C daily export)",
"list_size": 1,
"ofac_sdn": false
},
"type": {
"code_bytes": 0,
"eip7702_delegate": null,
"is_contract": false,
"kind": "eoa"
},
"verdict": {
"basis": "OFAC SDN digital-currency list + GoPlus address_security + on-chain state at the latest block (code, nonce, balances, proxy slots, ERC-20 probes)",
"level": "CLEAR",
"reasons": []
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"address": {
"description": "the payee / counterparty you are about to pay or call (0x + 40 hex)",
"type": "string"
},
"chain": {
"description": "optional; must be base / 8453 on this route",
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"activity": {
"type": "object"
},
"address": {
"type": "string"
},
"advice": {
"type": "string"
},
"also_available": {
"type": "object"
},
"block_number": {
"type": [
"integer",
"null"
]
},
"chain": {
"type": "string"
},
"chain_id": {
"type": "integer"
},
"contract": {
"type": [
"object",
"null"
]
},
"goplus": {
"type": "object"
},
"headline": {
"type": "string"
},
"kind": {
"type": "string"
},
"labels": {
"type": "object"
},
"rail": {
"type": "string"
},
"sanctions": {
"type": "object"
},
"type": {
"type": "object"
},
"verdict": {
"type": "object"
}
},
"required": [
"chain",
"address",
"headline",
"verdict",
"type",
"activity",
"sanctions",
"goplus",
"advice"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_d5i1omim"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
}
},
"lastUpdated": "2026-11-02T17:31:54.337Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T17:31:54.205Z"
},
"resource": "https://agents.avasis.ai/v1/base/address-screen",
"serviceName": "Avasis Agent Platform",
"tags": [
"address-screen",
"sanctions",
"wallet-screening",
"payee-check",
"evm"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Address screen on Base (chain 8453, $0.02): address -> CLEAR / CAUTION / BLOCK with reasons: OFAC SDN list hit, GoPlus address_security labels (phishing, theft, blacklist, mixer), EOA vs contract (proxy, ERC-20, EIP-7702 delegate), burn / precompile, never used (0 txs, 0 ETH, 0 USDC), known router / Permit2 / x402 facilitator labels, ETH + USDC balance. Phrases: address screen, is this address safe, sanctions check, wallet screening, payee check. GET or POST JSON. Never charged on 4xx / 5xx."
}What the leaf hashes
{"body":"b4c7151defb7273ce1b3b1aebf5b9923c32a44ad864c2e9fe5ae3965a65a3f19","id":2199940,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646794336860,"prev":null,"subject":"x402_bazaar:https://agents.avasis.ai/v1/base/address-screen","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x03fb15700de6972bca5dbd02fbe3815627f4497cf1d824c011fe74280406b682
- 0xa37bfd5383893f6d673c782f099400b052784bbf9721c1847b2c5bcf0331bb22
- 0xf8a7587b143d5f4d3829888316a0155efec243ae82522cec0462b37adc925e1b
- 0x692b838c909d3502333b568d5b7d731a7addf79b716882fb3b04ad34b1d6e05a
- 0xb10ee9a2e729f23ecda8810029ba58df850481ace6e9d1b7da09d87cb3dba2e4
- 0x7d1760c97568e6b246dfbd1442e44fa1f88f0e56dd403430aa33e5a71d276e70
- 0x8295b95e721c2dc59af30ce208e056e61e9d03e884d7c91372d1cfc13ee8c42d
- 0xd69ad92023ee0c5243b130b24463f59a6e10ff571a61b1338d665a78c027676a
- 0x92b853d19938d2427ba618eb86759a296338f1dd4531de03e3d5ec73a8c1da48
- 0xa222d35636852bc42365187b322e40c5ca0f63803966d6b033c70677acb2f58d
- 0xb00d74146bafcb898ce02fde92fe625ed050319119aef4d9f503fa8370c8b24f
- 0xf11ae2cb1682c9682f842de4b47631873e04eb9bb372b2940fa325facb202e3e
- 0xf7591712adf911c6cfa936eea0be6a219c802459fb85a626a46bcc03207d81e1
- 0x9acdcc385ecc9f1094faf2e01677d863638d23bede5aed4ca22def76698e0af3
- 0x150a4dbcf309a6bb857da0b59f7588bd57a20fca094e579bf41d6cc6df9c7bff
- 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
- 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af