← The evidence ledger
Evidence row 457224
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://apexfaucet.xyz/api/x402/arc-fee-flow
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- f4888ba43bee62e404feee32b4c45e3f7373e1adb519d7966831251ec2ffc10f
- Leaf
- 0xefbd92cd47b1fda03928c401f8d2de115f5634c4c3f5eeddb4ca569bb91f9057
What was observed
{
"endpoints": [
[
"x402",
"https://apexfaucet.xyz/api/x402/arc-fee-flow"
]
],
"name": "Arc launchpad fee vaults",
"owner_address": "0xd334ab5151c624cada654854e2879903dc4217ed",
"raw": {
"accepts": [
{
"amount": "25000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USD Coin",
"note": "Sign an EIP-3009 transferWithAuthorization to payTo and send it base64 in PAYMENT-SIGNATURE - we settle it and you pay no gas. Or pay and replay the hash in X-PAYMENT-BASE.",
"replayHeader": "X-PAYMENT-BASE",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
"scheme": "exact"
},
{
"amount": "25000",
"asset": "0x3600000000000000000000000000000000000000",
"extra": {
"credentialTypes": [
"authorization"
],
"name": "USDC",
"note": "Sign an EIP-3009 transferWithAuthorization to payTo and send it base64 in PAYMENT-SIGNATURE - we settle it and you pay no gas. Or, since USDC is also the native gas token on Arc, send a plain value transfer to payTo and replay the hash in X-PAYMENT-ARC. Finality is instant on inclusion.",
"replayHeader": "X-PAYMENT-ARC",
"rpc": "https://rpc.mainnet.arc.io",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:5042",
"payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
"scheme": "exact"
},
{
"amount": "25000",
"asset": "0x3600000000000000000000000000000000000000",
"extra": {
"name": "GatewayWalletBatched",
"note": "Circle Gateway nanopayment: pay from your Gateway balance with a gas-free signature (validBefore at least 7 days out). Settled by Circle in batches.",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:5042",
"payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
"scheme": "exact"
},
{
"amount": "25000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "GatewayWalletBatched",
"note": "Circle Gateway nanopayment: pay from your Gateway balance with a gas-free signature (validBefore at least 7 days out). Settled by Circle in batches.",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:8453",
"payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
"scheme": "exact"
},
{
"amount": "25000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D93NE2kMj88BPsHfdZZ4A1HX2CGo14Y18Bdb3J4qtD5c"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "HYiepS7mNCVVKoaDmZLQ6rNtMWHTQqKheM1NLGn1x8kJ",
"scheme": "exact"
},
{
"amount": "25000000000000000",
"asset": "0x8d0D000Ee44948FC98c9B98A4FA4921476f08B0d",
"extra": {
"credentialTypes": [
"authorization"
],
"decimals": 18,
"minUsd": 0.01,
"name": "World Liberty Financial USD",
"note": "BNB Smart Chain: sign an EIP-3009 transferWithAuthorization in USD1 (18 decimals, EIP-712 name \"World Liberty Financial USD\", version \"1\") to payTo and send it base64 in PAYMENT-SIGNATURE; we settle it and pay the gas. Minimum $0.01 on BNB.",
"symbol": "USD1",
"version": "1"
},
"maxTimeoutSeconds": 300,
"network": "eip155:56",
"payTo": "0xd334AB5151C624cAdA654854E2879903Dc4217eD",
"scheme": "exact"
},
{
"amount": "25000000000000000",
"asset": "0xcE24439F2D9C6a2289F741120FE202248B666666",
"extra": {
"credentialTypes": [
"authorization"
],
"decimals": 18,
"minUsd": 0.01,
"name": "United Stables",
"note": "BNB Smart Chain: sign an EIP-3009 transferWithAuthorization in U (18 decimals, EIP-712 name \"United Stables\", version \"1\") to payTo and send it base64 in PAYMENT-SIGNATURE; we settle it and pay the gas. Minimum $0.01 on BNB.",
"symbol": "U",
"version": "1"
},
"maxTimeoutSeconds": 300,
"network": "eip155:56",
"payTo": "0xd334AB5151C624cAdA654854E2879903Dc4217eD",
"scheme": "exact"
}
],
"description": "Arc launchpad fee vaults: every vault holding USDC right now, with its creator, its token and the change we measured since our previous scan, largest first. Fees only accrue from real swaps and a wash trader pays them on both legs, so vault growth is a costly-to-fake measure of genuine trading, unlike reported volume. Balances are the creator share and only the creator can collect them: distribute() pays creator() and treasury() and pays its caller nothing.",
"extensions": {
"bazaar": {
"info": {
"input": {
"discoverable": true,
"method": "GET",
"type": "http"
},
"output": {
"example": {
"data": {
"ageSeconds": 1792,
"chain": "arc",
"chainId": 5042,
"climbingFastest": [],
"freshness": "fresh: measured 30 minut…",
"measuredAt": "2026-10-09T21:37:15.855Z",
"method": {},
"ok": true,
"stale": false,
"summary": {},
"tier": "full",
"vaults": []
},
"ok": true,
"paid": 0.025
},
"schema": {
"properties": {
"data": {
"type": "object"
},
"ok": {
"type": "boolean"
},
"paid": {
"type": "number"
}
},
"type": "object"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791909159/bazaar-icons/f4adc3a60c4cd07b.png",
"lastUpdated": "2026-10-27T09:20:30.618Z",
"quality": {
"lastCalledAt": "2026-10-27T09:20:30.618Z"
},
"resource": "https://apexfaucet.xyz/api/x402/arc-fee-flow",
"serviceName": "Arc launchpad fee vaults",
"tags": [
"arc",
"creator fees",
"launchpad",
"fee vault",
"usdc"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Arc launchpad fee vaults: every vault holding USDC right now, with its creator, its token and the change we measured since our previous scan, largest first. Fees only accrue from real swaps and a wash trader pays them on both legs, so vault growth is a costly-to-fake measure of genuine trading, unlike reported volume. Balances are the creator share and only the creator can collect them: distribute() pays creator() and treasury() and pays its caller nothing."
}What the leaf hashes
{"body":"f4888ba43bee62e404feee32b4c45e3f7373e1adb519d7966831251ec2ffc10f","id":457224,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100972034195,"prev":null,"subject":"x402_bazaar:https://apexfaucet.xyz/api/x402/arc-fee-flow","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).
- 0xefbd853a5e2379c16e1a33c9be3cc7dd06c2017c542d083f36301823f94ce33d
- 0xed63c289f81987920dc94b5e0e8a5bbf1ab38f9c433f98fab3a78adb1e15aff0
- 0x1828c4de95c777bb2ac75409ff886df042056dad71c508efcf99ad1c0fb7ff68
- 0x187b52e10c743440bda3b11cf9d14032dbf9f770bc4929953c47e7a754e15f68
- 0xe0c342f31e89b4bea05d5f28b67fabb9555e31f1e717885d2cde5ad47f875db6
- 0xb8b31f8703f0f07c3816dcdf245f2b86eb8d10e72ba8bd22a3d195cf8046caf6
- 0xefcbc2fcb6653fe6d680f32ccf64c4563aeffdd17af2a5cfdcfdcec079f53d9f
- 0xc8305fea08c535f313f6063dfb165b3f8dfbda580dd480d5c655e2bad86dc27e
- 0xc7a20448f63fbe71576328110f2ed6b6d5cba61c2f22ec94ff48d324a28af7f0
- 0xc9f6fb967a68ca1e3059a2a798e048f3aaf0e2abb6ec89d118a0d5a71fd29c13
- 0xfc581fd63fedfc1ebada8acb9d8afcfc2eff628470941f629f6e99f5ede11e36
- 0x8b1294df8f40a2bb6ff0bafdf2505700af24dfe2985fb999b2353f4c85cb56ba
- 0xe0ddf3e1c8349b7fe55d4b2a6864486a77de3e3c0e371df44d69aeb837cfd79c
- 0xce1471491ffb52101d7cd9884cca0fb37a9496f6e8250375054907d24a35d04f
- 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
- 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
- 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4