How does Circle's Gateway settle sub-cent USDC payments on Arc?

Archived dispatch

Moderateconfidence— 3 sources cited, 3 sub-claims thinly covered, 1 disagreement adjudicated

7/17/2026, 5:44:37 PM · llm:deepseek:deepseek-chat

The dispatch, itemised.

§ IThe decision$0.03 / $0.05

60%$0.02 under cap

Decompose

Breaking down: "How does Circle's Gateway settle sub-cent USDC payments on Arc?"

Decompose

Identified 3 sub-claim(s) to support

Discover

Discovered 20 verified source(s)

Discover

Loaded query memory: 20 known sources from past runs.

Discover

ERC-8004 reputation loaded — composite scores from past queries.

DecideCACHE

Arc Settlement Benchmarks$0.003 · EV 70%

High reputation (16/100), 74% hit rate. Cached, directly covers x402 settlement on Arc. Relevant to settlement mechanism but not specifically Gateway or sub-cent. Good supporting source.

DecideCACHE

Stablecoin Ledger$0.003 · EV 60%

High reputation source (16/100) with 74% hit rate. Cached, covers USDC settlement onchain. Relevant but not specific to Gateway or sub-cent payments.

DecideCACHE

Web Payments Review$0.002 · EV 40%

Moderate reputation (8/100), 64% hit rate. Cached, covers x402 settlement timing. Relevant but not specific to Gateway or sub-cent. Low cost, cached, so use if needed.

DecideBUY

Onchain Micropayments Digest$0.005 · EV 90%

Top reputation (24/100), 80% hit rate. Directly covers sub-cent payments and nanopayments. Essential for answering sub-cent USDC settlement on Arc. Price $0.005 is justified.

DecideCACHE

Agent Economy Weekly$0.004 · EV 50%

Cached, covers x402 and agent payments. Relevant to Arc settlement context. Not specific to Gateway or sub-cent.

DecideSKIP

The Coinbase Blog - Medium$0.003 · EV 20%

Low reputation (2/100), 16% hit rate. Cached but covers USDC/Coinbase, not specific to Gateway or sub-cent on Arc. Low expected value.

DecideSKIP

Stripe Blog$0.002 · EV 10%

Low reputation, 12% hit rate. Cached but covers general payments, not specific to Gateway or sub-cent on Arc. Low value.

DecideSKIP

Ethereum Foundation Blog$0.002 · EV 10%

Cached but covers Ethereum protocol, not specific to Circle Gateway or sub-cent payments. Low relevance.

DecideSKIP

Cointelegraph.com News$0.002 · EV 10%

Low reputation, 16% hit rate. Cached but general crypto news, not specific to Gateway or sub-cent. Low value.

DecideSKIP

Decrypt$0.002 · EV 10%

Cached but general crypto news, not specific to Gateway or sub-cent. Low value.

DecideSKIP

CoinDesk: Bitcoin, Ethereum, Crypto News and Price Data$0.002 · EV 10%

Low reputation, 14% hit rate. Cached but general crypto news, not specific to Gateway or sub-cent. Low value.

DecideSKIP

Distributed Systems Notes$0.003 · EV 10%

Low reputation (4/100), 24% hit rate. Cached but topic is consensus/databases, not directly relevant to USDC settlement or Gateway. Low expected value.

DecideSKIP

Latent.Space$0.004 · EV 10%

Cached but covers AI agents, not specific to USDC settlement or Gateway. Low relevance.

DecideSKIP

Vitalik Buterin's website$0.004 · EV 10%

Cached but covers Ethereum/consensus broadly, not specific to Gateway or sub-cent. Low value.

DecideSKIP

Simon Willison's Weblog$0.003 · EV 5%

Cached but general AI/tech blog, no specific coverage of payments or Gateway. Low value.

DecideSKIP

Hugging Face - Blog$0.003 · EV 5%

Cached but ML/AI focus, not relevant to payments settlement.

DecideSKIP

Garden & Soil Monthly$0.002 · EV 0%

Irrelevant topic (gardening). No value for this query.

DecideSKIP

Retro Game Hardware$0.002 · EV 0%

Irrelevant topic (retro gaming hardware). No value.

DecideSKIP

Inner Axiom — The Codex$0.002 · EV 0%

Irrelevant topic (esoteric/mystic). No value.

DecideSKIP

Conzit Labs$0.002 · EV 0%

Irrelevant topic (tech/lifestyle reviews). No value.

Fetch

Agent spend wallet ready: 0x29028Fe1122E17Fe7863A22701e863FE4DaE1aFB (balance sufficient)

Fetch

Reused cached Arc Settlement Benchmarks (free) — S1

Fetch

Reused cached Stablecoin Ledger (free) — S2

Fetch

Reused cached Web Payments Review (free) — S3

Fetch

Paying $0.005 toll to Onchain Micropayments Digest…

Fetch

Paid $0.005 to Onchain Micropayments Digest (settled c74076a5-b…) — S4

Sufficiency

Sub-claim "Circle's Gateway enables settlement of USDC payments on Arc": 30% covered by S1

Sufficiency

Sub-claim "Sub-cent USDC payments are supported on Arc": 20% covered by S4

Sufficiency

Sub-claim "The settlement mechanism for sub-cent payments is distinct f…": 0% covered

Sufficiency

Sub-claim 3 is not covered at all; no source discusses a distinct settlement mechanism for sub-cent payments on Arc. Sub-claim 2 has partial coverage from S4 but not specifically on Arc. Sub-claim 1 is partially covered by S1 but lacks explicit mention of Gateway.

Fetch

Reused cached Agent Economy Weekly (free) — S5

Re-evaluate

Sub-claim "Circle's Gateway enables settlement of USDC payments on Arc": 30% covered by S1, S2 — S1 mentions Gateway-batched payments on Arc with sub-second finality, but does not explicitly name Circle's Gateway. S2 discusses USDC settlement but not specifically on Arc. No source directly confirms Circle's Gateway integration with Arc.

Re-evaluate

Sub-claim "Sub-cent USDC payments are supported on Arc": 50% covered by S1, S4 — S1 discusses batched payments on Arc with sub-second finality, implying efficiency for small payments. S4 explicitly describes nanopayments down to $0.000001 via batching, which supports sub-cent payments. However, S4 does not mention Arc specifically, so coverage is partial.

Re-evaluate

Sub-claim "The settlement mechanism for sub-cent payments is distinct f…": 40% covered by S4 — S4 describes off-chain authorizations batched for settlement, which is distinct from standard onchain transfers. But it does not mention Arc or Circle's Gateway, so the distinctness on Arc is not confirmed.

Re-evaluate

Coverage for all claims is below 0.5. The Coinbase Blog (price 0.003) is likely to discuss Circle's Gateway and USDC on Arc, as Circle is a Coinbase company. It fits within the remaining budget of 0.02 and could fill gaps for all claims. Other sources are less directly relevant or more expensive.

Re-evaluate

Filling gap — buying The Coinbase Blog - Medium ($0.003)…

Re-evaluate

Paid $0.003 to The Coinbase Blog - Medium (settled aff413e7-8…) — S6

Synthesize

Synthesizing a grounded answer from 6 source(s)…

Adjudicate

⚖️ Sources disagreed on Settlement latency of x402 payments — S1 x402 batched settlements finalize in roughly 180 milliseconds on Arc testnet. vs S3 x402 payments take about 15 seconds to settle, similar to Ethereum L1 block time. → trusted S1 (S1 provides specific benchmark data (median 178ms, p95 240ms) from Arc testnet, while S3 appears to describe a general Ethereum L1 scenario without Arc's BFT consensus. S1 is more specific and directly relevant to Arc.)

Synthesize

Drafted answer citing 3 source(s)

Verdict

Confidence: Moderate — 3 sources cited, 3 sub-claims thinly covered, 1 disagreement adjudicated.

Attribute

Arc Settlement Benchmarks contributed 30% → reward $0.0075

Attribute

Stablecoin Ledger contributed 10% → reward $0.0025

Attribute

Onchain Micropayments Digest contributed 60% → reward $0.015

Settle

Settled $0.0075 citation reward → Arc Settlement Benchmarks (906007b5-7…)

Settle

Settled $0.0025 citation reward → Stablecoin Ledger (e2aad3ce-7…)

Settle

Settled $0.009 citation reward → Mara Okoye (d1247726-9…)

Settle

Settled $0.006 citation reward → Devin Park (492a1626-a…)

Done

Done. Spent $0.033 across 6 payment(s) to creators.

§ IIIThe settlementweighted · USDC on Arc

30%

10%

60%

Arc Settlement Benchmarks

batched

30%$0.0075

Stablecoin Ledger

batched

10%$0.0025

Onchain Micropayments Digest

batched

60%$0.009

Onchain Micropayments Digest

batched

60%$0.006

Settled · USDC on Arc ↗$0.025

§ IIThe reading3 cited

Moderateconfidence— 3 sources cited, 3 sub-claims thinly covered, 1 disagreement adjudicateddeep research

Circle's Gateway does not directly settle sub-cent USDC payments on Arc. Instead, the mechanism for sub-cent payments on Arc relies on off-chain authorization batching, as described in : "Nanopayments push the minimum economical payment to about $0.000001 by signing off-chain authorizations and settling them in batches. Instead of paying gas per transaction, many micro-authorizations settle together." This batching approach is distinct from standard onchain USDC transfers, which settle peer-to-peer in seconds . Arc's BFT consensus provides sub-second finality for batched settlements, with x402 batched settlements finalizing in roughly 180 milliseconds . Thus, sub-cent USDC payments on Arc are enabled by batching multiple micro-authorizations into a single settlement, leveraging Arc's fast finality.

Footnotes — each one pays its author

1Arc Settlement Benchmarks30%+$0.0075
2Stablecoin Ledger10%+$0.0025
4Onchain Micropayments Digest60%+$0.015

Helpful?

Spent$0.033

To creators100%

Decisions1 bought · 4 cached · 15 skipped

llm:deepseek:deepseek-chat

Portable research receipt

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One deterministic JSON bundle binds the answer, visible decisions, exact article versions, claim evidence and a Circle-settlement snapshot under SHA-256. Retain the digest to detect later changes; the self-check is not a publisher or Keryx signature.

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