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. How does per-request agent purchases without an account work in practice, and which published material supports the explanation?

    · 1 cited · Arc testnet

  2. I am reading about signed x402 payment authorization. What is the main point, and what does Agent Economy Weekly say about it?

    · 1 cited · Arc testnet

  3. After reading Agent Economy Weekly on an HTTP 402 challenge for a paid resource, what follow-up question would help test the claim?

    · 1 cited · Arc testnet

  4. What is easy to misunderstand about stablecoin settlement versus card and ACH delays, and what does the evidence actually show?

    · 3 cited · Arc testnet

  5. What is a useful comparison for understanding USDC as a unit of account for agent commerce, based on available evidence?

    · 1 cited · Arc testnet

  6. What concrete detail in Stablecoin Ledger helps explain volatile-token risk for agent spending caps?

    · 0 cited · Arc testnet

  7. I need to brief a teammate on stablecoin-denominated agent budgets. What are the two or three facts I should lead with?

    · 1 cited · Arc testnet

  8. If I were building a paid research agent, how would final settlement before paid API access affect a design decision?

    · 0 cited · Arc testnet

  9. What does Stablecoin Ledger establish about USDC peer-to-peer final settlement, and what remains uncertain?

    · 0 cited · Arc testnet

  10. What would I need to verify before relying on a claim about blockchains for tiny automated payments?

    · 0 cited · Arc testnet

  11. Can you give a concrete example of cost and finality tradeoffs on Ethereum layer 2 networks using published source material?

    · 0 cited · Arc testnet

  12. Which specific claim does Hugging Face - Blog make about open models for tool-using AI agents, and what supports that claim?

    · 0 cited · Arc testnet

  13. How does evaluating factual grounding in language-model answers work in practice, and which published material supports the explanation?

    · 0 cited · Arc testnet

  14. I am reading about citing sources in LLM answers built from web search. What is the main point, and what does Simon Willison's Weblog say about it?

    · 0 cited · Arc testnet

  15. After reading Simon Willison's Weblog on prompt injection risks in tool results, what follow-up question would help test the claim?

    · 0 cited · Arc testnet

  16. What is easy to misunderstand about infrastructure for multi-step agent tool use, and what does the evidence actually show?

    · 1 cited · Arc testnet

  17. What is a useful comparison for understanding deciding when an AI agent should call a tool, based on available evidence?

    · 0 cited · Arc testnet

  18. What concrete detail in Latent.Space helps explain AI agents using tools to gather information?

    · 0 cited · Arc testnet

  19. I need to brief a teammate on transaction finality for automated software buyers. What are the two or three facts I should lead with?

    · 2 cited · Arc testnet

  20. If I were building a paid research agent, how would Ethereum settlement versus application-level authorization affect a design decision?

    · 3 cited · Arc testnet

  21. What does Stripe Blog establish about metered API access for online businesses, and what remains uncertain?

    · 0 cited · Arc testnet

  22. What would I need to verify before relying on a claim about developer payment APIs for online services?

    · 0 cited · Arc testnet

  23. Can you give a concrete example of evidence preserved with a Keryx research receipt using published source material?

    · 0 cited · Arc testnet

  24. Which specific claim does Keryx Engineering (first-party) make about payment evidence when research delivery fails, and what supports that claim?

    · 0 cited · Arc testnet

  25. How does resuming a Keryx job without signing a second payment work in practice, and which published material supports the explanation?

    · 1 cited · Arc testnet

  26. I am reading about journaling a Keryx paid job before submission. What is the main point, and what does Keryx Engineering (first-party) say about it?

    · 1 cited · Arc testnet

  27. After reading Keryx Engineering (first-party) on Keryx contribution weights for creator payouts, what follow-up question would help test the claim?

    · 0 cited · Arc testnet

  28. What is easy to misunderstand about Keryx access tolls versus citation rewards, and what does the evidence actually show?

    · 1 cited · Arc testnet

  29. What is a useful comparison for understanding why a source marker alone cannot support a claim, based on available evidence?

    · 0 cited · Arc testnet

  30. What concrete detail in Keryx Engineering (first-party) helps explain Keryx evidence checks before citation rewards?

    · 1 cited · Arc testnet

  31. I need to brief a teammate on conflicting published estimates of x402 settlement time. What are the two or three facts I should lead with?

    · 0 cited · Arc testnet

  32. If I were building a paid research agent, how would the assumption that every x402 payment needs its own transaction affect a design decision?

    · 0 cited · Arc testnet

  33. What does Arc Settlement Benchmarks establish about Arc settlement timing versus Ethereum L1 block timing, and what remains uncertain?

    · 1 cited · Arc testnet

  34. What would I need to verify before relying on a claim about Arc finality for small payment confirmation?

    · 0 cited · Arc testnet

  35. How does x402 batched-settlement latency on Arc testnet work in practice, and which published material supports the explanation?

    · 1 cited · Arc testnet

  36. I am reading about payment recovery after a lost HTTP response. What is the main point, and what does Distributed Systems Notes say about it?

    · 0 cited · Arc testnet

  37. After reading Distributed Systems Notes on payer-resource-nonce keys that prevent double charges, what follow-up question would help test the claim?

    · 0 cited · Arc testnet

  38. What is easy to misunderstand about idempotency keys for paid API retries, and what does the evidence actually show?

    · 0 cited · Arc testnet

  39. What is a useful comparison for understanding sub-cent payments per cited source, based on available evidence?

    · 0 cited · Arc testnet

  40. What concrete detail in Onchain Micropayments Digest helps explain splitting a citation reward among coauthors?

    · 0 cited · Arc testnet

  41. I need to brief a teammate on citation rewards weighted by source contribution. What are the two or three facts I should lead with?

    · 0 cited · Arc testnet

  42. If I were building a paid research agent, how would the claimed $0.000001 nanopayment floor affect a design decision?

    · 0 cited · Arc testnet

  43. What does Onchain Micropayments Digest establish about transaction gas as a barrier to tiny creator rewards, and what remains uncertain?

    · 1 cited · Arc testnet

  44. What would I need to verify before relying on a claim about batched off-chain authorizations for nanopayments?

    · 0 cited · Arc testnet

  45. Can you give a concrete example of weighing a paid source against its price using published source material?

    · 0 cited · Arc testnet

  46. Which specific claim does Agent Economy Weekly make about an agent deciding when to stop buying sources, and what supports that claim?

    · 0 cited · Arc testnet

  47. How does a hard source-spending budget for research agents work in practice, and which published material supports the explanation?

    · 0 cited · Arc testnet

  48. I am reading about per-request agent purchases without an account. What is the main point, and what does Agent Economy Weekly say about it?

    · 0 cited · Arc testnet

  49. After reading Agent Economy Weekly on signed x402 payment authorization, what follow-up question would help test the claim?

    · 0 cited · Arc testnet

  50. What is easy to misunderstand about an HTTP 402 challenge for a paid resource, and what does the evidence actually show?

    · 0 cited · Arc testnet