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Evidence row 526034

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://agent402.tools/api/exchanges
Recorded
Previous row
#469505
Body SHA-256
5216457d62d211af11062732b8bbc1d16f7b25493dab6221efadf051c3ae3b76
Leaf
0x2b513cba14dff8726f9fb8bce97919915e0cdcb23b0bc925d5c1466c7856c677

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": 12,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-27T11:45:27.946Z"
    },
    "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":"5216457d62d211af11062732b8bbc1d16f7b25493dab6221efadf051c3ae3b76","id":526034,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124779145701,"prev":469505,"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. 0x2b5194cb6c76fd5c10bd283acd35acbef6e03c5050710c1950ff8f6f047f707c
  2. 0xb276c3835300ed06e0d12706d6971583191fa839d5bce637cbb3e247aeef7b57
  3. 0xcaef94a5784c58ffe76b825b6bd1feb48ef29a47040c4b77c7a5644dd6fb4e67
  4. 0xbdd4b8f1a0e3077963bfb7478c80953264f3fbed2e9211b51e11134d24b1266d
  5. 0x92e1e917aa0f661670ad472cab743398ceaf9f65ea8ed83a92cf5ad7f4c6804e
  6. 0x66c09f1c31156cc96715763039ec32fe224ba63cad61a16d9d38a6d43206223a
  7. 0xb978e448ded8b0602af30f7f68d6c983eacfb46368e6851593b6dda6100a8a01
  8. 0x72d52b354bb6ec3b3408f3967c904774bebcd324124204ac8d5dddb2c66c9429
  9. 0xdc2ec1b06d9989264ce054c7095ca66bba1bd8ce3c4a9e5e645ffe067be00e00
  10. 0x39b2e1d78c20e857522ee15f8e1b58b55f9202c043938db01eb52eacaaab89bc
  11. 0xec8e4ccca73ad575591e2aae8a6d2bf4bfef826240c40728c9fc6d960b63ff0f
  12. 0x7ba1b835277802a22a6f62a758420094404a75d3c14f34dd88b403fbf174b26b
  13. 0xf9e544d10b80657275e1e196da89ba5336a7cc49eaa0d6d801fb5d632cf5deec
  14. 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
  15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
  16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
  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