← The evidence ledger
Evidence row 3768359
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://kette.halowerk.com/security/explain
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c4bf3f5f89427b238dfda70bd3295ac622fe4ce211be40a9a1c082431d8cb094
- Leaf
- 0x81abb2e21df23fe36e6bf7778a02bc7e342168c99d5374a865a1ac8ce04a791c
What was observed
{
"endpoints": [
[
"x402",
"https://kette.halowerk.com/security/explain"
]
],
"name": "HALOWERK kettenwerk",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"asset": "USDC",
"assetTransferMethod": "eip3009",
"eip712Domain": {
"chainId": 8453,
"name": "USD Coin",
"verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"version": "2"
},
"name": "USD Coin",
"network_name": "Base Mainnet",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"scheme": "exact"
}
],
"description": "Explain an EVM signing request in plain language. Decodes bounded standard token calls and EIP-712 encoding, applies exact raw-unit limits and caller address policy, flags unlimited grants and wrong chains. Optional current-chain simulation uses the existing simulation service. Unknown semantics remain orange. No signing or broadcasting; sanctions and complete drainer registries are not covered.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"data": "0x095ea7b30000000000000000000000002222222222222222222222222222222222222222ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"to": "0x1111111111111111111111111111111111111111",
"type": "transaction",
"value": "0"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"chain": {
"enum": [
"ethereum",
"base",
"arbitrum",
"optimism",
"polygon",
"bsc"
],
"type": "string"
},
"chain_id": {
"maximum": 9007199254740991,
"minimum": 1,
"type": "integer"
},
"data": {
"maxLength": 131074,
"pattern": "^0x([0-9a-fA-F]{2})*$",
"type": "string"
},
"from": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"message": {
"maxLength": 8000,
"type": "string"
},
"method": {
"enum": [
"eth_sign",
"personal_sign"
],
"type": "string"
},
"origin": {
"maxLength": 2000,
"type": "string"
},
"policy": {
"additionalProperties": false,
"properties": {
"allowed_recipients": {
"items": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"maxItems": 100,
"type": "array"
},
"blocked_addresses": {
"items": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"maxItems": 100,
"type": "array"
},
"max_native_wei": {
"maxLength": 78,
"pattern": "^(0|[1-9][0-9]*)$",
"type": "string"
},
"max_token_units": {
"maxLength": 78,
"pattern": "^(0|[1-9][0-9]*)$",
"type": "string"
}
},
"required": [],
"type": "object"
},
"simulate": {
"default": false,
"type": "boolean"
},
"to": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"type": {
"enum": [
"transaction",
"typed_data",
"message"
],
"type": "string"
},
"typed_data": {
"type": "object"
},
"value": {
"maxLength": 78,
"pattern": "^(0|[1-9][0-9]*)$",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
},
"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"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-06T11:12:03.474Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-06T11:12:03.057Z"
},
"resource": "https://kette.halowerk.com/security/explain",
"serviceName": "HALOWERK kettenwerk",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Explain an EVM signing request in plain language. Decodes bounded standard token calls and EIP-712 encoding, applies exact raw-unit limits and caller address policy, flags unlimited grants and wrong chains. Optional current-chain simulation uses the existing simulation service. Unknown semantics remain orange. No signing or broadcasting; sanctions and complete drainer registries are not covered."
}What the leaf hashes
{"body":"c4bf3f5f89427b238dfda70bd3295ac622fe4ce211be40a9a1c082431d8cb094","id":3768359,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793996823537921,"prev":null,"subject":"x402_bazaar:https://kette.halowerk.com/security/explain","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (303443 rows).
- 0x81abadb56793cb61859ccf8b4efbbcad9d37b9e1a61d15908b58316fa071eb28
- 0x0f501a3325fd9128da46c797ca6ae12ae3fe183c4079b5a44b9afb9f50645814
- 0xc31eef202f0c73bd8f59fe3d551841dc7fe3f21720c7c53082a1a6c5e1cbd1bf
- 0x300935c357e72edf7b0d3cb282d8b28524a940da33d5c945fbdbc9138c95ae64
- 0xaad3ab76a65f826e2b4a37bc5096ce00d54abdb76388c04cb9af4a6213ca0c92
- 0x3ec193668f69030a231f651c71f8653f2a570107f83ae240b74942ecf786f6bb
- 0x61ffb53aaef5570d1a7fe5c0537c47f949e8708d424bc681818dfd7abc4ed017
- 0xdff4ca05dfa7a133899633a054b9c745e8543700801c4270c170d52b93a4b8b6
- 0x674fae5ef9fc759c3a6c3f23e9c545461f21338888d2d125c48c4750e35eb8e2
- 0x6a41ab88c5d2d3ce4f3051ad78437edcb039129ac82a25a154486dffc665e7f4
- 0xa0259fd86f05ccb8aebd7dcc9668972554ecc02fd2b9f7da642d0723b352dea2
- 0xfd4c5a890cc9857126c1702b377e450719f333073b708c1c33500ba63402846d
- 0xa9f5c748c78aa6574834a568b0d021027de9efdbbaf27c26b3751fb9bc3136e1
- 0x6aa61e674b3c29ca9cbf3bb85eb5c666ed7c7ae477218e53a6b5bd9b7314a653
- 0x4aa18de7ba70c1384dfa5e9fde2ce72817bb169f51aa0c98d197468e304aabd5
- 0xa020619e8f130eeb03f3c2beaba0422017bd8b95688ddf44db1c31cf0fd40a6a
- 0xe98c6c6b56a21a2fc4c1edfe2563812e690a6a4336d11aef772ac1799d1ee7ca
- 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
- 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948
- Day root
- 0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
- Chained
- 0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
- Published
- On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1