Arc Settlement Sketch
Arc Builder Desk / 0.002200 USDCreceipt evidence
0xa4774d07...2e9347
paid to creator0.002200USDC
forum routed
Arc Builder Desk
This receipt binds a source payment to the answer that used it. The previous hash links it into the append-only attribution ledger.
receipt hash0xa4774d07509bd1a3f6bafe401bc97f8c93fe252c860f10d300866787e82e9347
previous hash0xa80fad10d330e9289f509ae7e4b1e87a0500be3abef72668bbc914dd583e3055
query id0xda909d0357c319d5
source idarc-finality-usdc
creator wallet0x3333...3333
created at2026-06-23T14:52:54.366Z
payment resourceforum-fee-router:0xeff9bc359e8f2a5eabce55af3f1bb24f98eabf59
query payment hashnot reader-paid
payer0x4164F5B52ecc6F847f03071A287b0B59954cbcEe
transaction0xed2c59b4...1776aa
FeeRouter split17
FeeRouter createSplit0x1cd805e8...01e326
FeeRouter pay0xed2c59b4...1776aa
answer context
What does Tollgate use to prove paid citations with on-chain receipts on Arc?
Tollgate uses USDC on-chain receipts on Arc to prove paid citations. The system leverages Arc's stablecoin-native settlement with USDC gas and sub-second finality, combined with x402 payment protocols that enable sub-cent value transactions. Receipt hashes are published on-chain, making source payments visible, automatic, and tied to the specific answers that reused the work.
Open answer evidenceDirectly describes Arc's USDC-native settlement and finality model that enables on-chain receipt infrastructure for payments