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Evidence row 117633

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://onchaincheck.dev/optimism/trades
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
3987264e9bb189f8d616f3a0568a3ac87309717f513c70b1200cdc2c46fb6758
Leaf
0x78b1c975600fb67106bd9d3c96bb0fd563aef4bf12a5081e5103a3413c10b091

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://onchaincheck.dev/optimism/trades"
    ]
  ],
  "name": "OP Mainnet Onchain Data",
  "owner_address": "0x2ecb9e1fcca7a62758c679f11bc3241466d181d8",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2ECB9E1fcca7A62758c679F11bC3241466d181d8",
        "scheme": "exact"
      }
    ],
    "description": "Whale and large-trade tracker for an ERC-20 on OP Mainnet: every buy and sell in the last N minutes on the token's deepest WETH/USDC pools (Uniswap v3 or Velodrome), with USD size, side, wallet and transaction for the largest trades, buy/sell volume and net flow, and the wallets that bought or sold the most.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "minUsd": "100",
              "minutes": "60",
              "token": "0x4200000000000000000000000000000000000042"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "chain": "optimism",
              "largeTrades": [
                {
                  "approxTime": "2026-10-22T15:32:39.000Z",
                  "block": 158542191,
                  "dex": "uniswap-v3",
                  "quoteAmount": 0.056963409,
                  "quoteSymbol": "WETH",
                  "side": "sell",
                  "tokenAmount": 1146.4553,
                  "tx": "0x3abbe44d8a518056071465655f99749236a6038dc9bd74d13908020a2d916f08",
                  "usd": 136.298,
                  "wallet": "0x31074ff71CE53897194028316A355F98F2043D88"
                },
                {
                  "approxTime": "2026-10-22T15:39:05.000Z",
                  "block": 158542384,
                  "dex": "uniswap-v3",
                  "quoteAmount": 0.052590179,
                  "quoteSymbol": "WETH",
                  "side": "buy",
                  "tokenAmount": 1051.44,
                  "tx": "0x2f24b77a43957031dc2920de3d7053e2982c0e7d6f4dbac01ee987bdaeca0e97",
                  "usd": 125.834,
                  "wallet": "0x092772CdEF109fEd26052E79B952Ac5404f1Ed21"
                },
                {
                  "approxTime": "2026-10-22T15:33:49.000Z",
                  "block": 158542226,
                  "dex": "uniswap-v3",
                  "quoteAmount": 0.050166382,
                  "quoteSymbol": "WETH",
                  "side": "buy",
                  "tokenAmount": 1003.3283,
                  "tx": "0xd2e4ef821f04a1ccdde0e63b134ea69a36b846025b544f0903a736911d6af6a0",
                  "usd": 120.034,
                  "wallet": "0xF104e69537346E54BCbDB5a1280aE3Aeef092c5B"
                },
                {
                  "approxTime": "2026-10-22T15:33:31.000Z",
                  "block": 158542217,
                  "dex": "uniswap-v3",
                  "quoteAmount": 0.049902608,
                  "quoteSymbol": "WETH",
                  "side": "buy",
                  "tokenAmount": 998.35308,
                  "tx": "0x75489fd0b28be01ba509303315fbad4df8a447c0bbcde4e2d15641f5b7458f49",
                  "usd": 119.403,
                  "wallet": "0xF104e69537346E54BCbDB5a1280aE3Aeef092c5B"
                },
                {
                  "approxTime": "2026-10-22T16:00:49.000Z",
                  "block": 158543036,
                  "dex": "uniswap-v3",
                  "quoteAmount": 0.047281406,
                  "quoteSymbol": "WETH",
                  "side": "buy",
                  "tokenAmount": 944.27912,
                  "tx": "0x5b717b635a7e6d7bfa095ed872b8a597a6feb87b176db2e8e32d3c5ae045dd1a",
                  "usd": 113.131,
                  "wallet": "0xF104e69537346E54BCbDB5a1280aE3Aeef092c5B"
                }
              ],
              "nativeUsd": 2392.72,
              "notes": "Trades from the 3 deepest WETH/USDC pools; other pairs and aggregator-internal routes are not counted. Wallets are transaction senders, looked up for the 40 largest trades.",
              "poolsScanned": [
                {
                  "dex": "uniswap-v3",
                  "pairedWith": "WETH",
                  "pool": "0x68F5C0A2DE713a54991E01858Fd27a3832401849"
                },
                {
                  "dex": "velodrome",
                  "pairedWith": "WETH",
                  "pool": "0xd25711EdfBf747efCE181442Cc1D8F5F8fc8a0D3"
                },
                {
                  "dex": "uniswap-v3",
                  "pairedWith": "USDC",
                  "pool": "0xB533c12fB4e7b53b5524EAb9b47d93fF6C7A456F"
                }
              ],
              "summary": {
                "buyVolumeUsd": 1464.88,
                "buys": 31,
                "largestTradeUsd": 136.298,
                "netFlowUsd": 963.893,
                "sellVolumeUsd": 500.992,
                "sells": 10,
                "trades": 41
              },
              "token": {
                "address": "0x4200000000000000000000000000000000000042",
                "decimals": 18,
                "symbol": "OP"
              },
              "topBuyers": [
                {
                  "boughtUsd": 654.5,
                  "netUsd": 654.5,
                  "soldUsd": 0,
                  "trades": 6,
                  "wallet": "0xF104e69537346E54BCbDB5a1280aE3Aeef092c5B"
                },
                {
                  "boughtUsd": 194.5,
                  "netUsd": 164.6,
                  "soldUsd": 29.98,
                  "trades": 8,
                  "wallet": "0x78126dAC3a2C08479d2196741Da77F56Ca8CFB88"
                },
                {
                  "boughtUsd": 201.7,
                  "netUsd": 152.4,
                  "soldUsd": 49.23,
                  "trades": 6,
                  "wallet": "0x042f093b5D3e35C3cFa891E461f165e2BDF3A4BC"
                },
                {
                  "boughtUsd": 125.8,
                  "netUsd": 125.8,
                  "soldUsd": 0,
                  "trades": 1,
                  "wallet": "0x092772CdEF109fEd26052E79B952Ac5404f1Ed21"
                },
                {
                  "boughtUsd": 21.35,
                  "netUsd": 21.35,
                  "soldUsd": 0,
                  "trades": 1,
                  "wallet": "0xf4c2BAA132722670CC0Eb89C8a9329eE8F2389ED"
                }
              ],
              "topSellers": [
                {
                  "boughtUsd": 0,
                  "netUsd": -232.5,
                  "soldUsd": 232.5,
                  "trades": 2,
                  "wallet": "0x31074ff71CE53897194028316A355F98F2043D88"
                },
                {
                  "boughtUsd": 0,
                  "netUsd": -9.994,
                  "soldUsd": 9.994,
                  "trades": 1,
                  "wallet": "0x6663F9524b76B547F1070E82ddE1Cc0A2236d758"
                }
              ],
              "window": {
                "from": "2026-10-22T15:23:21.000Z",
                "fromBlock": 158541912,
                "minutes": 60,
                "to": "2026-10-22T16:23:21.000Z",
                "toBlock": 158543712
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "limit": {
                      "description": "Max trades listed, 1 to 40, default 20",
                      "pattern": "^\\d{1,2}$",
                      "type": "string"
                    },
                    "minUsd": {
                      "description": "Only list trades at least this large in USD, default 1000",
                      "pattern": "^\\d+(\\.\\d+)?$",
                      "type": "string"
                    },
                    "minutes": {
                      "description": "Look-back window in minutes; 5 to 240, default 60 (capped at 12,000 blocks, about 50 minutes on Arbitrum)",
                      "pattern": "^\\d{1,3}$",
                      "type": "string"
                    },
                    "token": {
                      "description": "Token contract address on OP Mainnet",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "token"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-24T17:16:56.573Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T17:16:56.292Z"
    },
    "resource": "https://onchaincheck.dev/optimism/trades",
    "serviceName": "OP Mainnet Onchain Data",
    "tags": [
      "optimism",
      "onchain",
      "erc20",
      "token",
      "wallet"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Whale and large-trade tracker for an ERC-20 on OP Mainnet: every buy and sell in the last N minutes on the token's deepest WETH/USDC pools (Uniswap v3 or Velodrome), with USD size, side, wallet and transaction for the largest trades, buy/sell volume and net flow, and the wallets that bought or sold the most."
}

What the leaf hashes

{"body":"3987264e9bb189f8d616f3a0568a3ac87309717f513c70b1200cdc2c46fb6758","id":117633,"kind":"listing","method":"baseline/1","observed_us":1793025611702597,"prev":null,"subject":"x402_bazaar:https://onchaincheck.dev/optimism/trades","subject_kind":"source_record"}

Proof

Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.

How to check it · This row as JSON