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Evidence row 469505

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://agent402.tools/api/exchanges
Recorded
Previous row
#451633
Body SHA-256
2daa324bf17ac3fa1e62953b802a2a4b6c45ae754cc5eb8cabcb63f4e6f511a5
Leaf
0x16d07129283e1eac346573d1bd3e6c6d285d99948e2e83ef0b865e7837d560b8

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent402.tools/api/exchanges"
    ]
  ],
  "name": "Crypto exchanges",
  "owner_address": "0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "outputSchema": {
          "properties": {
            "cached": {
              "type": "boolean"
            },
            "count": {
              "type": "integer"
            },
            "exchanges": {
              "items": {
                "type": "object"
              },
              "type": "array"
            },
            "fetchedAt": {
              "type": "string"
            },
            "mode": {
              "type": "string"
            },
            "page": {
              "type": "integer"
            },
            "source": {
              "type": "string"
            }
          },
          "required": [
            "source",
            "fetchedAt",
            "cached",
            "mode",
            "page",
            "count",
            "exchanges"
          ],
          "type": "object"
        },
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:143",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:43114",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:1329",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "6000",
        "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:10",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
        "extra": {
          "name": "Global Dollar",
          "version": "1"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:4663",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42220",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:5042",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "permit2",
          "facilitatorAddress": "0x14fDa13953Fc30428938E6BF950d036e77214e52",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "upto"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
        "extra": {
          "areFeesSponsored": true
        },
        "maxTimeoutSeconds": 300,
        "network": "stellar:pubnet",
        "payTo": "GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:8453",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:5042",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      }
    ],
    "description": "Crypto exchanges ranked by trust score: id, name, country, year established, trust score (1-10) and rank, 24h volume in BTC (and normalized), centralized flag and URL; limit 1-100 (default 25). Pass `exchange` (an id such as binance, gdax, kraken) for ONE exchange's profile instead: the same fields plus description, trade volume incl. and excl. wash-trade normalization, ticker count and social links. Cached in-process for 5 minutes. Use exchange-tickers for an exchange's markets.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": 10
            },
            "type": "http"
          },
          "output": {
            "example": {
              "cached": false,
              "count": 1,
              "exchanges": [
                {
                  "centralized": true,
                  "country": "United States",
                  "id": "gdax",
                  "name": "Coinbase Exchange",
                  "rank": 1,
                  "trustScore": 10,
                  "trustScoreRank": 1,
                  "url": "https://www.coinbase.com/",
                  "volume24hBtc": 28651.7,
                  "volume24hBtcNormalized": 28651.7,
                  "yearEstablished": 2012
                }
              ],
              "fetchedAt": "2026-08-22T13:20:00.000Z",
              "mode": "list",
              "page": 1,
              "source": "coingecko"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "exchange": {
                      "description": "Profile mode: one exchange id (binance, gdax, kraken, okex, bybit_spot, ...).",
                      "type": "string"
                    },
                    "limit": {
                      "description": "List mode: 1-100 exchanges (default 25).",
                      "type": "number"
                    },
                    "page": {
                      "description": "List mode: page number (default 1).",
                      "type": "number"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "cached": {
                      "type": "boolean"
                    },
                    "count": {
                      "type": "integer"
                    },
                    "exchanges": {
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "fetchedAt": {
                      "type": "string"
                    },
                    "mode": {
                      "type": "string"
                    },
                    "page": {
                      "type": "integer"
                    },
                    "source": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "source",
                    "fetchedAt",
                    "cached",
                    "mode",
                    "page",
                    "count",
                    "exchanges"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_b4aw4uzd"
        },
        "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}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1787497819/bazaar-icons/478aced8e219894c.png",
    "lastUpdated": "2026-10-27T11:45:28.126Z",
    "quality": {
      "l30DaysTotalCalls": 10,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-27T04:08:47.462Z"
    },
    "resource": "https://agent402.tools/api/exchanges",
    "serviceName": "Crypto exchanges",
    "tags": [
      "crypto",
      "exchanges",
      "cex",
      "trust-score",
      "volume"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Crypto exchanges ranked by trust score: id, name, country, year established, trust score (1-10) and rank, 24h volume in BTC (and normalized), centralized flag and URL; limit 1-100 (default 25). Pass `exchange` (an id such as binance, gdax, kraken) for ONE exchange's profile instead: the same fields plus description, trade volume incl. and excl. wash-trade normalization, ticker count and social links. Cached in-process for 5 minutes. Use exchange-tickers for an exchange's markets."
}

What the leaf hashes

{"body":"2daa324bf17ac3fa1e62953b802a2a4b6c45ae754cc5eb8cabcb63f4e6f511a5","id":469505,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793104166179995,"prev":451633,"subject":"x402_bazaar:https://agent402.tools/api/exchanges","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).

  1. 0x16cf6cc90527d8caa8d87190c657279b5f82584ea94d9e266479f28244825fba
  2. 0xeb2249823946f9724680f1b5f39ffaf929621ea49cec1f46b123572c7302fc63
  3. 0x0f3b27f405d2d44049879ae722d2239491b7e150a92182ff720911780e892944
  4. 0xa7538b94c0851c2dcd199453d6be8b90cca95ea52bcd32ae45dc18af2034b4fc
  5. 0x6b571bc2fc7c39e239472ff48bb2fb43675fba0617c6bc5ed884cc7e94b57e44
  6. 0x408999ec1d9994a76e8099d8c92872e2db2af9746cb382eb6966a5a1b4a3a31c
  7. 0xed8d6ac4db86bad4554fa389677930e300f582573706b99275e0a8d673da4d27
  8. 0x8d45d90312fcabf251ed2156c47645232463048baa662dbda27ea0564590a261
  9. 0x3f693e6e5e6d070f2618bcff62dae04869c7de823b5f24533cb9a33ffc6d629d
  10. 0xdb7245f9298926c48a065defbaa157febf69634706cf59e907767fc1334235cc
  11. 0x55acee356f0b717dd0920b0cde9e99b43bd0a0b1161a35ac6c315aa50f2d66f6
  12. 0x62c7e7967ec467dcf70ca9a9f01831f05b5b4a07c07491cc03340b1479c7ea31
  13. 0xfae7ed2d06f4d6ced86c104b6381c26d795f82be10e6314b53b0524bd75a292f
  14. 0x52c5141da0cbee106a30396ee7d1360fd22f55084aca2ca436c8007892775670
  15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
  16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
  17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
  18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON