Keryx
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.

Archive dataEvent-period evidence

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. If I were building a paid research agent, how would volatile-token risk for agent spending caps affect a design decision?

    · 0 cited · Arc testnet

  2. What does Stablecoin Ledger establish about stablecoin-denominated agent budgets, and what remains uncertain?

    · 1 cited · Arc testnet

  3. What would I need to verify before relying on a claim about final settlement before paid API access?

    · 2 cited · Arc testnet

  4. Can you give a concrete example of USDC peer-to-peer final settlement using published source material?

    · 0 cited · Arc testnet

  5. How does cost and finality tradeoffs on Ethereum layer 2 networks work in practice, and which published material supports the explanation?

    · 0 cited · Arc testnet

  6. I am reading about open models for tool-using AI agents. What is the main point, and what does Hugging Face - Blog say about it?

    · 0 cited · Arc testnet

  7. After reading Hugging Face - Blog on evaluating factual grounding in language-model answers, what follow-up question would help test the claim?

    · 0 cited · Arc testnet

  8. What is a useful comparison for understanding prompt injection risks in tool results, based on available evidence?

    · 0 cited · Arc testnet

  9. What does Web Payments Review establish about conflicting published estimates of x402 settlement time, and what remains uncertain?

    · 2 cited · Arc testnet

  10. What would I need to verify before relying on a claim about the assumption that every x402 payment needs its own transaction?

    · 1 cited · Arc testnet

  11. Can you give a concrete example of Arc settlement timing versus Ethereum L1 block timing using published source material?

    · 2 cited · Arc testnet

  12. Which specific claim does Arc Settlement Benchmarks make about Arc finality for small payment confirmation, and what supports that claim?

    · 1 cited · Arc testnet

  13. How does median and p95 Arc settlement measurements work in practice, and which published material supports the explanation?

    · 1 cited · Arc testnet

  14. After reading Arc Settlement Benchmarks on x402 batched-settlement latency on Arc testnet, what follow-up question would help test the claim?

    · 1 cited · Arc testnet

  15. Our team is considering dependency update practices for open-source projects. What should we check before adopting it?

    · 0 cited · Arc testnet

  16. What is a common alternative to dependency update practices for open-source projects, and how do they compare based on documented facts?

    · 0 cited · Arc testnet

  17. What tends to go wrong with dependency update practices for open-source projects, and how would someone notice?

    · 0 cited · Arc testnet

  18. What are the main tradeoffs of dependency update practices for open-source projects for a small organization?

    · 0 cited · Arc testnet

  19. What evidence would let me independently verify a claim about dependency update practices for open-source projects?

    · 0 cited · Arc testnet

  20. I am learning about dependency update practices for open-source projects. What is a concrete example, and which parts are documented?

    · 0 cited · Arc testnet

  21. I have to brief a colleague on verifiable receipts for creator payments. Which questions should we ask first, and why?

    · 0 cited · Arc testnet

  22. What problem led to verifiable receipts for creator payments, and what changed from earlier approaches?

    · 0 cited · Arc testnet

  23. What are the known limitations of verifiable receipts for creator payments, and where are they documented?

    · 1 cited · Arc testnet

  24. Who are the main participants involved in verifiable receipts for creator payments, and what does each one do?

    · 0 cited · Arc testnet

  25. How could we measure whether verifiable receipts for creator payments is working as intended?

    · 1 cited · Arc testnet

  26. Our team is considering verifiable receipts for creator payments. What should we check before adopting it?

    · 1 cited · Arc testnet

  27. What is a common alternative to verifiable receipts for creator payments, and how do they compare based on documented facts?

    · 0 cited · Arc testnet

  28. What tends to go wrong with verifiable receipts for creator payments, and how would someone notice?

    · 1 cited · Arc testnet

  29. What are the main tradeoffs of verifiable receipts for creator payments for a small organization?

    · 0 cited · Arc testnet

  30. What evidence would let me independently verify a claim about verifiable receipts for creator payments?

    · 1 cited · Arc testnet

  31. I am learning about verifiable receipts for creator payments. What is a concrete example, and which parts are documented?

    · 1 cited · Arc testnet

  32. Can you explain verifiable receipts for creator payments in plain language, with sources I can check?

    · 0 cited · Arc testnet

  33. I have to brief a colleague on USDC decimal precision in small payments. Which questions should we ask first, and why?

    · 0 cited · Arc testnet

  34. What problem led to USDC decimal precision in small payments, and what changed from earlier approaches?

    · 0 cited · Arc testnet

  35. What problem led to the x402 HTTP payment flow, and what changed from earlier approaches?

    · 3 cited · Arc testnet

  36. What is a common alternative to USDC transaction fees on Arc testnet, and how do they compare based on documented facts?

    · 1 cited · Arc testnet

  37. What tends to go wrong with USDC transaction fees on Arc testnet, and how would someone notice?

    · 0 cited · Arc testnet

  38. Can you explain measuring search-result relevance in plain language, with sources I can check?

    · 0 cited · Arc testnet

  39. What problem led to model-provider failover during research, and what changed from earlier approaches?

    · 0 cited · Arc testnet

  40. What are the known limitations of model-provider failover during research, and where are they documented?

    · 0 cited · Arc testnet

  41. Who are the main participants involved in model-provider failover during research, and what does each one do?

    · 0 cited · Arc testnet

  42. How could we measure whether model-provider failover during research is working as intended?

    · 0 cited · Arc testnet

  43. Our team is considering model-provider failover during research. What should we check before adopting it?

    · 0 cited · Arc testnet

  44. What is a common alternative to model-provider failover during research, and how do they compare based on documented facts?

    · 1 cited · Arc testnet

  45. What tends to go wrong with model-provider failover during research, and how would someone notice?

    · 0 cited · Arc testnet

  46. What are the main tradeoffs of model-provider failover during research for a small organization?

    · 0 cited · Arc testnet

  47. What evidence would let me independently verify a claim about model-provider failover during research?

    · 0 cited · Arc testnet

  48. What are the known limitations of evaluation of autonomous research agents, and where are they documented?

    · 0 cited · Arc testnet

  49. What are practical ways for publishers to license machine-readable research access?

    · 0 cited · Arc testnet

  50. What should a client do when a paid HTTP request times out after payment authorization?

    · 2 cited · Arc testnet