Settled
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Original testnet dispatches

The track record

Arc testnet history

Browse all old questions →

Recorded reading and creator payments from 2026-06-15 to 2026-10-02. Original testnet evidence is retained alongside current mainnet activity.

Recorded questions
3,280
Settled creator payments
11,314
Settled to creator wallets
56.748064 test USDC
Creator wallets paid
23

Testnet USDC, separate from mainnet. Includes owner-operated activity; these totals do not establish independent customers or event-period growth.

Testnet creator leaderboard

Download creator data →

Ranked by settled access and citation payments to each original source and wallet. Historical listings do not establish current publisher control.

  1. 1

    Stablecoin Ledger

    0x32ef…0933 ↗ · 1,184 cites · 1,262 payments

    9.445228 test USDC
  2. 2

    Agent Economy Weekly

    0x3cd0…65e3 ↗ · 1,079 cites · 1,167 payments

    8.868264 test USDC
  3. 3

    Onchain Micropayments Digest

    0xd6a2…9ff8 ↗ · 1,050 cites · 1,050 payments

    5.382926 test USDC
  4. 4

    Arc Settlement Benchmarks

    0x9aea…331d ↗ · 756 cites · 950 payments

    5.038727 test USDC
  5. 5

    Onchain Micropayments Digest

    0x13c8…6322 ↗ · 1,050 cites · 1,050 payments

    3.588614 test USDC
  6. 6

    Distributed Systems Notes

    0x3d52…7ebe ↗ · 302 cites · 476 payments

    2.646853 test USDC
  7. 7

    Cointelegraph.com News

    0xbfee…8689 ↗ · 153 cites · 641 payments

    2.010595 test USDC
  8. 8

    Web Payments Review

    0x96db…fd52 ↗ · 501 cites · 612 payments

    1.998823 test USDC
  9. 9

    CoinDesk: Bitcoin, Ethereum, Crypto News and Price Data

    0x04a8…66cc ↗ · 166 cites · 575 payments

    1.807349 test USDC
  10. 10

    Latent.Space

    0x3af1…a911 ↗ · 135 cites · 323 payments

    1.679483 test USDC
  11. 11

    Ethereum Foundation Blog

    0x1337…107e ↗ · 171 cites · 474 payments

    1.551999 test USDC
  12. 12

    Stripe Blog

    0xde6f…2d98 ↗ · 178 cites · 396 payments

    1.551869 test USDC
  13. 13

    Decrypt

    0x3e3e…b32d ↗ · 124 cites · 487 payments

    1.543466 test USDC
  14. 14

    The Coinbase Blog - Medium

    0xafac…a9e7 ↗ · 136 cites · 322 payments

    1.465917 test USDC
  15. 15

    Garden & Soil Monthly

    0x544b…3e8c ↗ · 101 cites · 206 payments

    1.356102 test USDC
  16. 16

    Hugging Face - Blog

    0x8fdd…109a ↗ · 84 cites · 271 payments

    0.999267 test USDC
  17. 17

    Vitalik Buterin's website

    0x8459…0c35 ↗ · 75 cites · 276 payments

    0.995074 test USDC
  18. 18

    Conzit Labs

    0x72cf…c157 ↗ · 52 cites · 124 payments

    0.987484 test USDC
  19. 19

    Keryx Engineering (first-party)

    0x6644…fda2 ↗ · 58 cites · 74 payments

    0.9265 test USDC
  20. 20

    Simon Willison's Weblog

    0x8458…3f67 ↗ · 54 cites · 290 payments

    0.858165 test USDC
  21. 21

    Retro Game Hardware

    0x40dd…9b63 ↗ · 52 cites · 94 payments

    0.776692 test USDC
  22. 22

    Onchain Micropayments Digest

    0xbfdd…90c8 ↗ · 0 cites · 155 payments

    0.775 test USDC
  23. 23

    Inner Axiom — The Codex

    0xdad4…cd73 ↗ · 25 cites · 39 payments

    0.493667 test USDC
Inspect archived totals and channels
settled payment records
11,950 · 84.638064 test USDC
pending payment records
1 · 0.002 test USDC
failed payment records
0 · 0 test USDC
simulated payment records
0 · 0 test USDC
Service receipts (separate from creator payments)
636
citation records · settled amount
7,486 · 46.618064 test USDC
fetch records · settled amount
3,829 · 10.13 test USDC
inbound records · settled amount
636 · 27.89 test USDC
a2a questions
251
engine questions
2,752
mcp questions
92
web questions
185

Snapshot captured 2026-10-03T00:26:18.665Z. Settlement states are frozen at capture time. Wallets and channels are recorded identities, not independent people.

Every recorded public question is available here, including runs with no citations or no payment. Open its original dispatch link to read the answer and full trace.

  1. Viết một truyện ngắn hư cấu 150 từ bằng tiếng Việt cho trẻ 5 tuổi, về một chú mèo học chia sẻ đồ chơi. Đây là yêu cầu sáng tác, không cần nghiên cứu hay trích dẫn.

    · 0 cited · Arc testnet

  2. Explain how x402 access tolls and contribution-weighted citation rewards can pay writers through Circle Gateway on Arc. Compare what each payment rewards, why settlement can be pending, and how a writer verifies earnings. Cite sources that directly support the explanation.

    · 3 cited · Arc testnet

  3. Tôi trồng cà chua trong chậu ngoài ban công ở khí hậu nóng ẩm. Cần chọn giá thể, tưới nước và nhận biết tưới quá nhiều như thế nào? Đưa ra hướng dẫn thực tế có trích dẫn nguồn đã đọc, nói rõ giới hạn và trả lời bằng tiếng Việt.

    · 0 cited · Arc testnet

  4. What does NOAA's assessment of global temperature in 2025 establish? Summarize the result, baseline, uncertainty and limits of attributing one local flood to global climate trends. Use NOAA original sources and separate observation from inference.

    · 2 cited · Arc testnet

  5. Tôi xây SaaS quản lý công việc cho nhóm 5 người, khoảng 100 khách hàng đầu tiên. So sánh SQLite với PostgreSQL về vận hành, đồng thời ghi và sao lưu; dựa vào tài liệu chính thức, đề xuất lựa chọn ban đầu và điều kiện cần chuyển đổi. Trả lời bằng tiếng Việt.

    · 0 cited · Arc testnet

  6. Compare the methods, evaluation setup and limitations of the exact papers https://arxiv.org/pdf/2606.02668v1 and https://arxiv.org/pdf/2607.13716v1. Read original text, distinguish paper-specific findings from inference, and identify evidence gaps rather than guessing. Cite exact versions.

    · 1 cited · Arc testnet

  7. Tôi là giáo viên mầm non. Đề xuất 3 ý tưởng video giáo dục cho trẻ 4-6 tuổi về màu sắc và đếm số. Dựa trên nguồn thực tế, giải thích cách thiết kế hoạt động và giới hạn bằng chứng; trả lời bằng tiếng Việt, không khẳng định chắc chắn video sẽ viral.

    · 0 cited · Arc testnet

  8. Compare SQLite WAL and rollback journals for a small web service. Explain concurrent readers and writers, crash recovery, and network filesystem constraints using original SQLite documentation. Give a concrete recommendation and cite evidence.

    · 2 cited · Arc testnet

  9. I am reading about conflicting published estimates of x402 settlement time. What is the main point, and what does Web Payments Review say about it?

    · 0 cited · Arc testnet

  10. What concrete detail in Arc Settlement Benchmarks helps explain median and p95 Arc settlement measurements?

    · 1 cited · Arc testnet

  11. What would I need to verify before relying on a claim about signed x402 payment authorization?

    · 1 cited · Arc testnet

  12. I am reading about volatile-token risk for agent spending caps. What is the main point, and what does Stablecoin Ledger say about it?

    · 0 cited · Arc testnet

  13. What concrete detail in Vitalik Buterin's website helps explain blockchains for tiny automated payments?

    · 0 cited · Arc testnet

  14. Can you give a concrete example of prompt injection risks in tool results using published source material?

    · 3 cited · Arc testnet

  15. What is easy to misunderstand about Ethereum settlement versus application-level authorization, and what does the evidence actually show?

    · 1 cited · Arc testnet

  16. What does Keryx Engineering (first-party) establish about resuming a Keryx job without signing a second payment, and what remains uncertain?

    · 1 cited · Arc testnet

  17. How does why a source marker alone cannot support a claim work in practice, and which published material supports the explanation?

    · 0 cited · Arc testnet

  18. What is a useful comparison for understanding Arc settlement timing versus Ethereum L1 block timing, based on available evidence?

    · 3 cited · Arc testnet

  19. How does Keryx Engineering's documented paid research job recovery bind a buyer's approved purchase to its exact job, resource and execution, and preserve it across delayed execution, pending settlement and retries? Compare its documented exact purchase journal and recovery semantics with approval/action binding and retry hazards. Inspect the source-owned Recovering a Keryx paid research job article, distinguish first-party documented behavior from independent safety evidence, and state unsupported dimensions rather than infer them.

    · 3 cited · Arc testnet

  20. Compare original research on binding human approval to the exact action executed by stateful AI agents across proposal, approval, delay, execution and recovery. Seek Weng et al. arXiv 2606.02668v1, AgentSpec, and CAVA arXiv 2607.13716v1, plus directly relevant TOCTOU or stale-authorization work. Distinguish original paper text, abstract-only reads and metadata previews; compare action/argument binding, runtime state changes, expiry/replay and audit evidence. State coverage gaps rather than infer novelty.

    · 3 cited · Arc testnet

  21. What would I need to verify before relying on a claim about payer-resource-nonce keys that prevent double charges?

    · 1 cited · Arc testnet

  22. After reading Onchain Micropayments Digest on the claimed $0.000001 nanopayment floor, what follow-up question would help test the claim?

    · 0 cited · Arc testnet

  23. If I were building a paid research agent, how would a hard source-spending budget for research agents affect a design decision?

    · 0 cited · Arc testnet

  24. I am reading about USDC as a unit of account for agent commerce. What is the main point, and what does Stablecoin Ledger say about it?

    · 2 cited · Arc testnet

  25. What is a useful comparison for understanding final settlement before paid API access, based on available evidence?

    · 2 cited · Arc testnet

  26. What would I need to verify before relying on a claim about evaluating factual grounding in language-model answers?

    · 0 cited · Arc testnet

  27. What are MediaPipe Face Landmarker face blendshapes and how are they used to measure facial expressions in web applications?

    · 1 cited · Arc testnet

  28. Does the EU AI Act restrict AI apps that infer sensitive attributes or categorize people from facial images, and what do Apple App Store and Google Play policies say about face-based attractiveness rating apps?

    · 0 cited · Arc testnet

  29. For a mobile/web app that scores facial attractiveness using MediaPipe face landmarks + AI (Google Vision, Gemini) with paid Pro tier (Stripe): (1) scientific validity and best-practice methods for landmark/geometric facial attractiveness estimation, (2) legal and platform-policy risks — EU AI Act biometric categorization rules, Apple/Google app store policies on beauty-rating apps, privacy rules for storing face photos, (3) ethical/product-design mitigations used by similar apps, (4) typical monetization patterns for beauty/glow-up analysis apps.

    · 0 cited · Arc testnet

  30. After reading Latent.Space on AI agents using tools to gather information, what follow-up question would help test the claim?

    · 0 cited · Arc testnet

  31. I need to brief a teammate on developer payment APIs for online services. What are the two or three facts I should lead with?

    · 0 cited · Arc testnet

  32. Which specific claim does Keryx Engineering (first-party) make about Keryx contribution weights for creator payouts, and what supports that claim?

    · 0 cited · Arc testnet

  33. What is a useful comparison for understanding the assumption that every x402 payment needs its own transaction, based on available evidence?

    · 0 cited · Arc testnet

  34. What would I need to verify before relying on a claim about payment recovery after a lost HTTP response?

    · 0 cited · Arc testnet

  35. Compare original research on binding human approval to the exact action executed by stateful AI agents across proposal, approval, delay, execution and recovery. Seek Weng et al. arXiv 2606.02668v1, AgentSpec, and CAVA arXiv 2607.13716v1, plus directly relevant TOCTOU or stale-authorization work. Distinguish original paper text, abstract-only reads and metadata previews; compare action/argument binding, runtime state changes, expiry/replay and audit evidence. State coverage gaps rather than infer novelty.

    · 0 cited · Arc testnet

  36. How does sub-cent payments per cited source work in practice, and which published material supports the explanation?

    · 0 cited · Arc testnet

  37. I need to brief a teammate on weighing a paid source against its price. What are the two or three facts I should lead with?

    · 0 cited · Arc testnet

  38. Which specific claim does Agent Economy Weekly make about signed x402 payment authorization, and what supports that claim?

    · 1 cited · Arc testnet

  39. What is easy to misunderstand about volatile-token risk for agent spending caps, and what does the evidence actually show?

    · 0 cited · Arc testnet

  40. What would I need to verify before relying on a claim about open models for tool-using AI agents?

    · 0 cited · Arc testnet

  41. I need to brief a teammate on metered API access for online businesses. What are the two or three facts I should lead with?

    · 1 cited · Arc testnet

  42. Can you give a concrete example of resuming a Keryx job without signing a second payment using published source material?

    · 1 cited · Arc testnet

  43. After reading Keryx Engineering (first-party) on why a source marker alone cannot support a claim, what follow-up question would help test the claim?

    · 0 cited · Arc testnet

  44. If I were building a paid research agent, how would Arc finality for small payment confirmation affect a design decision?

    · 0 cited · Arc testnet

  45. I am reading about sub-cent payments per cited source. What is the main point, and what does Onchain Micropayments Digest say about it?

    · 1 cited · Arc testnet

  46. What concrete detail in Onchain Micropayments Digest helps explain transaction gas as a barrier to tiny creator rewards?

    · 1 cited · Arc testnet

  47. What would I need to verify before relying on a claim about a hard source-spending budget for research agents?

    · 1 cited · Arc testnet

  48. What is easy to misunderstand about USDC as a unit of account for agent commerce, and what does the evidence actually show?

    · 0 cited · Arc testnet

  49. I am reading about blockchains for tiny automated payments. What is the main point, and what does Vitalik Buterin's website say about it?

    · 0 cited · Arc testnet

  50. I need to brief a teammate on prompt injection risks in tool results. What are the two or three facts I should lead with?

    · 0 cited · Arc testnet