← The evidence ledger
Evidence row 60441
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://402.com.tr/api/x402/mev-guard
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1a6039e5829c743b72b93dae10ca6ef83fbeef7714e0c88093cd3e07ee752e47
- Leaf
- 0xcb0dba9deb9eb1bafad81c887a5b2166892c7da263d4d8392cf0d10e241edd9f
What was observed
{
"endpoints": [
[
"x402",
"https://402.com.tr/api/x402/mev-guard"
]
],
"name": "MEV / Sandwich Guard",
"owner_address": "0x973a31858f4d2125f48c880542da11a2796f12d6",
"raw": {
"accepts": [
{
"amount": "40000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x973a31858f4d2125f48c880542da11a2796f12d6",
"scheme": "exact"
}
],
"description": "Agents are the easiest MEV prey: predictable, public-mempool, a measured ~$50M/quarter tax. A sandwich only pays when a trade moves the pool enough to front-run (size vs pool depth). This returns an exposure read (low/elevated/high) and a protected-execution plan: a tight min-out, private/off-mempool inclusion (a Cobalt validity tx via validity-build), and splitting a large order into unattackable chunks. Pass tokenOut + amountUsd. Not financial advice.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"pathParams": {},
"queryParams": {
"amountUsd": "5000",
"tokenOut": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"
},
"type": "http"
},
"output": {
"example": {
"checkedAt": "2026-10-17T09:57:23.337Z",
"estPriceImpactPct": 1.28,
"exposure": "elevated",
"impactSource": "estimate",
"liquidityUsd": 769836,
"sizeToLiquidityPct": 0.649,
"tokenOut": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed",
"tradeSizeUsd": 5000
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"type": "object"
},
"queryParams": {
"properties": {
"amountUsd": {
"description": "Trade size in USD",
"type": "string"
},
"tokenOut": {
"description": "Token you want to buy",
"type": "string"
}
},
"required": [
"tokenOut"
],
"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"
}
},
"builder-code": {
"info": {
"a": "bc_pa0gqlv1"
},
"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}$",
"type": "string"
},
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
}
},
"lastUpdated": "2026-10-22T03:01:23.835Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-22T03:01:23.45Z"
},
"resource": "https://402.com.tr/api/x402/mev-guard",
"serviceName": "MEV / Sandwich Guard",
"tags": [
"mev",
"sandwich",
"front-running",
"mev-protection",
"trade-safety"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Agents are the easiest MEV prey: predictable, public-mempool, a measured ~$50M/quarter tax. A sandwich only pays when a trade moves the pool enough to front-run (size vs pool depth). This returns an exposure read (low/elevated/high) and a protected-execution plan: a tight min-out, private/off-mempool inclusion (a Cobalt validity tx via validity-build), and splitting a large order into unattackable chunks. Pass tokenOut + amountUsd. Not financial advice."
}What the leaf hashes
{"body":"1a6039e5829c743b72b93dae10ca6ef83fbeef7714e0c88093cd3e07ee752e47","id":60441,"kind":"listing","method":"baseline/1","observed_us":1793025448788966,"prev":null,"subject":"x402_bazaar:https://402.com.tr/api/x402/mev-guard","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xcb0dfe25b450485e82c61464428ea25fb11519c6f40c00b5207e3174f2999e9d
- 0x21aa16771df3527cc1da89d297644c8cc45ac0d3f79b9ce56a29bf7f98a1f11d
- 0xfbe8a42816a7a9285ec4388264997b6c63607c7754239af83eeaf65897e64bc3
- 0xb5b1396da0c6351d9bbdcf19050065a0c65c012dc26b55d9557e1434c26ece9f
- 0xd0a8b6f11a56002d51854b2dfda96c683f256004ccd287edfaa92cce56865ba3
- 0x381fc2d9878848a45a2659bd2940e411134e8e2c25b48a71c81239d2ccea09bb
- 0xf764cfb0fe3893160e38114baa165db89cbaef5a79c55129c41ab1b01fddb978
- 0xb6bace605fd360da2c6c73e5667ed2942f4d76802a25f3b3c9e09090cdf8bed2
- 0x00fbcc59345b153dcb2b8f8346c33167365a33678310565bab22cd4cf59deac1
- 0x9789df0b68a0c56f96db447ac03549df4b97c545b493a676ef441af41eab593b
- 0xd854065b5246baf332a9ace158b6f99219183612c97d95e881ab7a7e7fb3bd6b
- 0x02a11c0460d1a42b6246e1c715f0c3098d82c39154a56e918e2c22b56ca2c978
- 0x985acd37cc044d5aa6ad959194da8e91c81045df83517891ed92f1763a9ab825
- 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae