← The evidence ledger
Evidence row 72087
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://ca-tax-api-mainnet.lxtap.workers.dev/optimism/trades
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d210c14b8f5f776be8a914e1e854d46c75667e237aa38783e62741abf5a4d428
- Leaf
- 0x8248243e92915ae4dfa7320d34973cdee65b73adabda6d5eec00e6cbcf73a2e0
What was observed
{
"endpoints": [
[
"x402",
"https://ca-tax-api-mainnet.lxtap.workers.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": "2026-10-22T21:56:41.68Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-22T21:56:41.556Z"
},
"resource": "https://ca-tax-api-mainnet.lxtap.workers.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":"d210c14b8f5f776be8a914e1e854d46c75667e237aa38783e62741abf5a4d428","id":72087,"kind":"listing","method":"baseline/1","observed_us":1793025485341798,"prev":null,"subject":"x402_bazaar:https://ca-tax-api-mainnet.lxtap.workers.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.