← The evidence ledger
Evidence row 118725
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://presign-guard.fizzl.eu/v1/approvals
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 628479313877a729e30af8f64ff4c205e1c98c9b08d54d292a5216d7f4197a12
- Leaf
- 0x2169a906922480be392d10e058d6f3dfb5ca0db7ddecfd5db3e2e483bfb891b9
What was observed
{
"endpoints": [
[
"x402",
"https://presign-guard.fizzl.eu/v1/approvals"
]
],
"name": "presign-guard",
"owner_address": "0x6b0f4651ed42893ab58139938175e4a69f175f25",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x6B0F4651eD42893ab58139938175E4a69f175F25",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "ATWJ82T8nRdQwZnaysB68N5EpaSvLRsQP4h6eWmaJBH9",
"scheme": "exact"
},
{
"amount": "0.02",
"asset": "524C555344000000000000000000000000000000",
"extra": {
"areFeesSponsored": false,
"invoiceId": "presign-guard.fizzl.eu GET /v1/approvals",
"issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
"sourceTag": 804681468
},
"maxTimeoutSeconds": 300,
"network": "xrpl:0",
"payTo": "r9xmBsRr8Ao7jRgjjxreMiAwGiCK2FGwqw",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "31566704",
"extra": {
"feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA"
},
"maxTimeoutSeconds": 300,
"network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
"payTo": "LOYVFSQ6ZTS2YWUW4GQ5L6VPP2TPIOXWYDACK53CPOHQQHLDMEMKJDXAX4",
"scheme": "exact"
},
{
"amount": "200000",
"asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
"extra": {
"areFeesSponsored": true
},
"maxTimeoutSeconds": 300,
"network": "stellar:pubnet",
"payTo": "GCH2J5UAY24YNKA65MPAATVKWRCZZRZNF3JZKYYS5MIBZPG6U7WJ6CDQ",
"scheme": "exact"
}
],
"description": "Wallet approval audit (green/orange/red, grade, one-line summary): every open ERC-20 allowance of an EVM wallet with who the spender is (flagged, plain wallet, unverified, unlimited) and which ones to revoke. Bulk: 100 checks for $0.80 via /v1/credits.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"address": "0x28c6c06298d514db089934071355e5743bf21d60",
"chain": "ethereum"
},
"type": "http"
},
"output": {
"example": {
"approvals": [
{
"amount": "unlimited",
"approvedAt": "2025-03-01T10:00:00.000Z",
"codes": [
{
"code": "UNLIMITED_APPROVAL",
"severity": "orange"
}
],
"revoke": true,
"severity": "orange",
"spender": {
"address": "0x1111111254eeb25477b68fb85ed929f73a960582",
"contract": true,
"name": "AggregationRouterV5",
"trusted": false
},
"token": {
"address": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"name": "USD Coin",
"symbol": "USDC"
},
"unlimited": true
}
],
"grade": "CAUTION",
"one_liner": "CAUTION: 3 approvals, 1 unlimited; revoke 1",
"reasons": [
{
"code": "UNLIMITED_APPROVAL",
"details": {
"count": 1,
"spenders": [
"0x1111111254eeb25477b68fb85ed929f73a960582"
]
},
"severity": "orange"
},
{
"code": "STALE_APPROVAL",
"details": {
"count": 2,
"spenders": [
"0x000000000022d473030f116ddee9f6b43ac78ba3"
]
},
"severity": "info"
}
],
"revokeUrl": "https://revoke.cash/address/0x...?chainId=8453",
"summary": {
"approvals": 3,
"toRevoke": 1,
"tokens": 2,
"unlimited": 1
},
"verdict": "orange"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"description": "Wallet address (0x... on EVM, base58 on Solana)",
"type": "string"
},
"chain": {
"description": "Chain to audit: an EVM chain (ERC-20 allowances) or solana (SPL token delegations)",
"enum": [
"base",
"ethereum",
"arbitrum",
"optimism",
"polygon",
"bsc",
"solana"
],
"type": "string"
}
},
"required": [
"chain",
"address"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"approvals": {
"description": "Per allowance: token, spender (address, name, trusted, contract), amount, approvedAt, severity, codes, revoke; on Solana also tokenAccount (where to revoke), program and balance",
"items": {
"type": "object"
},
"type": "array"
},
"checkedAt": {
"type": "string"
},
"grade": {
"enum": [
"SAFE",
"CAUTION",
"RISKY",
"AVOID"
],
"type": "string"
},
"one_liner": {
"type": "string"
},
"permanentDelegates": {
"description": "Solana: Token-2022 tokens held whose mint has a permanent delegate (mint, delegate, tokenAccount); can't be revoked",
"items": {
"type": "object"
},
"type": "array"
},
"reasons": {
"items": {
"properties": {
"code": {
"type": "string"
},
"details": {},
"severity": {
"enum": [
"red",
"orange",
"info"
],
"type": "string"
}
},
"required": [
"code",
"severity"
],
"type": "object"
},
"type": "array"
},
"receipt": {
"description": "Signature over this whole answer (without receipt.signature), so the verdict can be verified later: EIP-191 personal_sign over canonical JSON (sorted keys, compact, ASCII-escaped). Signer addresses: /.well-known/presign-guard-signer.json; free check: POST /v1/verify.",
"properties": {
"algorithm": {
"enum": [
"eip191-canonical-json-v1"
],
"type": "string"
},
"cert": {
"description": "The payout wallet's certificate for this signing key: personal_sign by authority over 'fizzl receipt signer\\nservice: <service>\\nsigner: <signer>\\nvalid_from: <date>'. Pin the payout wallet and a rotated key still verifies.",
"properties": {
"authority": {
"type": "string"
},
"service": {
"type": "string"
},
"signature": {
"type": "string"
},
"signer": {
"type": "string"
},
"valid_from": {
"type": "string"
}
},
"type": "object"
},
"input_sha256": {
"description": "sha256 of canonical JSON {route, input}: your body (POST) or query parameters (GET)",
"type": "string"
},
"payment": {
"description": "The payment behind this answer, from your x402 payment payload. EVM: payer + EIP-3009 nonce; find the settlement as AuthorizationUsed(payer, nonce) on the asset contract. Solana: payer + sha256 of the signed transaction you sent.",
"properties": {
"amount": {
"type": "string"
},
"asset": {
"type": "string"
},
"network": {
"type": "string"
},
"nonce": {
"type": "string"
},
"pay_to": {
"type": "string"
},
"payer": {
"type": "string"
},
"proof": {
"enum": [
"eip3009",
"svm-transaction"
],
"type": "string"
},
"transaction_sha256": {
"type": "string"
}
},
"type": "object"
},
"request_id": {
"type": "string"
},
"route": {
"type": "string"
},
"signature": {
"type": "string"
},
"signed_at": {
"type": "string"
},
"signer": {
"type": "string"
}
},
"required": [
"request_id",
"route",
"input_sha256",
"signed_at",
"signer",
"algorithm",
"signature"
],
"type": "object"
},
"revokeUrl": {
"description": "revoke.cash link (EVM); null on Solana, see revokeHint",
"type": [
"string",
"null"
]
},
"summary": {
"description": "approvals, tokens, unlimited, toRevoke (on Solana also tokenAccounts)",
"type": "object"
},
"verdict": {
"enum": [
"green",
"orange",
"red"
],
"type": "string"
}
},
"required": [
"verdict",
"grade",
"one_liner",
"reasons",
"approvals"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_pzrclpac"
},
"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"
}
},
"x402-merchant": {
"info": {
"categories": [
"ai-agents",
"security",
"trading-signals",
"developer-tools",
"x402",
"algorand"
],
"logo": "https://fizzl.eu/logo-512.png",
"name": "Fizzl",
"website": "https://fizzl.eu"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"categories": {
"items": {
"type": "string"
},
"type": "array"
},
"logo": {
"type": "string"
},
"name": {
"type": "string"
},
"website": {
"type": "string"
}
},
"required": [
"name"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791125199/bazaar-icons/dae343325dc2ef3d.png",
"lastUpdated": "2026-10-19T12:04:48.227Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-19T12:04:47.905Z"
},
"resource": "https://presign-guard.fizzl.eu/v1/approvals",
"serviceName": "presign-guard",
"tags": [
"wallet-security",
"approvals",
"revoke",
"agents"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Wallet approval audit (green/orange/red, grade, one-line summary): every open ERC-20 allowance of an EVM wallet with who the spender is (flagged, plain wallet, unverified, unlimited) and which ones to revoke. Bulk: 100 checks for $0.80 via /v1/credits."
}What the leaf hashes
{"body":"628479313877a729e30af8f64ff4c205e1c98c9b08d54d292a5216d7f4197a12","id":118725,"kind":"listing","method":"baseline/1","observed_us":1793025613638321,"prev":null,"subject":"x402_bazaar:https://presign-guard.fizzl.eu/v1/approvals","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.