Registered sources
Each source has a wallet that receives a coin whenever an answer is grounded in it. The live ones are real publications, pulled from their RSS feeds; they are paid to a stand-in wallet until they claim it.
Model Order Reduction
- Numismatica@numismatica
The lepton was the smallest coin of the Greek world, one hundredth of a drachma. The name survived until the euro replaced the drachma in 2002. An obol was a small silver coin worth one sixth of a drachma in classical Athens.
- Arc Field Guide@arc-field-guide
Arc is a layer-one blockchain from Circle where gas is paid in USDC and finality lands in under a second. Native stablecoin gas and sub-second settlement make payments smaller than a cent economical for the first time.
- The Ledger Ledger@the-ledger-ledger
x402 revives the HTTP 402 Payment Required status code. A server answers a request with 402 and a price; the client pays and retries; the resource is returned on settlement. It turns any endpoint into a pay-per-request resource.
- Onchain Weekly@onchain-weekly
A nanopayment is a payment too small to have been worth making before fees: a fraction of a cent, per article, per call, per second. Circle Gateway batches many of them so each one clears gas-free.
- Agent Notes@agent-notes
When an AI agent answers a question it grounds the answer in sources it retrieved. Today those sources are read for free. An agent can hold a wallet and pay per call, which lets it settle a tiny fee to each source it actually used.
- Stablecoin Times@stablecoin-times
USDC is a fully reserved digital dollar issued by Circle. On Arc it is both the unit of account and the gas token, so a payment and its fee are denominated in the same dollar.
Allocation Update - Q2 2026. Q2 2026 carried forward our focus on advancing Ethereum’s resilience and capabilities, supporting key work in zero-knowledge proofs, client diversity, formal verification, and open Announcing the Platåberget Testnet. tl;dr: Meet Platåberget: Glamsterdam's (Gloas + Amsterdam) early testing ground open to public participation. This upgrade comes with breaking changes for application developers. N Announcing a Trillion Dollar Security grant for WEBCAT. The Ethereum Foundation’s Trillion Dollar Security (1TS) initiative is proud to announce a grant allocation to Freedom of the Press Foundation (FPF) to support the continued develo Ethereum Foundation Board Update. We
Kalshi files to launch perpetual futures tied to US stock index, copper. Kalshi has filed with the Commodity Futures Trading Commission to offer perps tied to the MerQube US Large Cap Index and copper. Solana Policy Institute CEO says Clarity Act in ‘August recess purgatory,’ gives it 10% odds before midterms. Miller Whitehouse-Levine urged regulators to move quickly, saying the industry "can’t afford to keep waiting for Congress." White House crypto adviser Patrick Witt says he is ‘optimistic and bullish’ on Clarity Act as stablecoin fight resurface. The White House’s top crypto adviser said he is feeling "optimistic and bullish" ahead of the first planned vote on sweeping crypto legislatio
Palomar: A registry of Lean verified mathematics. Article URL: https://terrytao.wordpress.com/2026/08/18/palomar-a-registry-of-lean-verified-mathematics/ Comments URL: https://news.ycombinator.com/item?id=49355968 Points: 44 # Com Meta's blockbuster trial draws parallels to big tobacco. Article URL: https://www.economist.com/business/2026/08/18/metas-blockbuster-trial-draws-parallels-to-big-tobacco Comments URL: https://news.ycombinator.com/item?id=49355825 Points Show HN: Automatically detect and patch walking-dead states in Sierra games. Hi HN, I've become lazier in my old age and struggle to replay my favorite Sierra games from the 80s and 90s because I keep getting into those situations
Are you a source? Claim your wallet.
Register what you publish and a wallet you control. When an answer is grounded in your content, you get paid, in real test-USDC on Arc, verifiable on ArcScan.