This is the literal 'Vitalik Buterin's website' (vitalik.eth.limo) the question names, and its preview shows the site's own section index including a 'Blockchains' category — the most direct place to find a concrete detail explaining blockchains for tiny automated payments. Free public read, so CACHE (read the original page). - free public original-page READ selection (not a cache hit); no purchase or creator reward. — selected for the claim-aware evidence portfolio (targets claim 1; 0 fetch USDC, 1 attention slot).

Vitalik's own Ethereum Foundation post 'Visions, Part 1: The Value of Blockchain Technology' contains the concrete 'magic computer that anyone can upload programs to and leave the programs to self-execute' framing — exactly the kind of concrete detail that explains blockchains for tiny automated payments. Free public read. - free public original-page READ selection (not a cache hit); no purchase or creator reward. — selected for the claim-aware evidence portfolio (targets claim 1; 0 fetch USDC, 1 attention slot).

Preview directly ties Vitalik to a tiny ($86.86) on-chain transfer and notes Ethereum's public ledger treats all transactions equally regardless of size — a concrete detail relevant to tiny automated payments. Free public read. - free public original-page READ selection (not a cache hit); no purchase or creator reward. — the claim-aware portfolio chose a stronger, less redundant set inside the 4-source attention and $0.015000 fetch-budget caps, so this proposal stays unspent.

Preview says Buterin discussed AI agents on blockchains and using AI to explain things in simple language — plausibly the concrete explanatory detail sought for tiny automated payments. Free public read. - free public original-page READ selection (not a cache hit); no purchase or creator reward. — the claim-aware portfolio chose a stronger, less redundant set inside the 4-source attention and $0.015000 fetch-budget caps, so this proposal stays unspent.

Preview describes Buterin's two-layer blockchain model (open market layer plus base layer) — a concrete architectural detail that could bear on cheap automated payments. Free public read. - free public original-page READ selection (not a cache hit); no purchase or creator reward. — the claim-aware portfolio chose a stronger, less redundant set inside the 4-source attention and $0.015000 fetch-budget caps, so this proposal stays unspent.

Vitalik's own piece contrasting public vs private blockchains and cryptoeconomic security; concrete but only indirectly about tiny automated payments. Free public read. - free public original-page READ selection (not a cache hit); no purchase or creator reward. — the claim-aware portfolio chose a stronger, less redundant set inside the 4-source attention and $0.015000 fetch-budget caps, so this proposal stays unspent.

Preview quotes Buterin on ZK payments as the next standard with instant settlement and low fees — concrete and adjacent to tiny automated payments. Free public read. - free public original-page READ selection (not a cache hit); no purchase or creator reward. — the claim-aware portfolio chose a stronger, less redundant set inside the 4-source attention and $0.015000 fetch-budget caps, so this proposal stays unspent.

Preview covers Buterin on blockchains shifting away from every-node re-execution via SNARKs/STARKs — a concrete detail about cheap verification relevant to tiny automated payments. Free public read. - free public original-page READ selection (not a cache hit); no purchase or creator reward. — the claim-aware portfolio chose a stronger, less redundant set inside the 4-source attention and $0.015000 fetch-budget caps, so this proposal stays unspent.

ThriftBooks author page only lists book titles; no concrete detail about blockchains or tiny payments, so nothing to investigate. - free public original-page READ selection (not a cache hit); no purchase or creator reward.

Biographical profile of Buterin (founder, awards, grants); no concrete blockchain-for-payments detail in the preview. - free public original-page READ selection (not a cache hit); no purchase or creator reward.

Tag-aggregation page of links about Buterin; no substantive concrete detail, purely navigational. - free public original-page READ selection (not a cache hit); no purchase or creator reward.

About casino-culture criticism and Ethereum standards; unrelated to explaining blockchains for tiny automated payments. - free public original-page READ selection (not a cache hit); no purchase or creator reward.

Antitrust/monopoly angle; no concrete detail on tiny automated payments. - free public original-page READ selection (not a cache hit); no purchase or creator reward.

Facebook post snippet about 2026 roadmap and full nodes; low-quality social mirror, no concrete payment explanation. - free public original-page READ selection (not a cache hit); no purchase or creator reward.

2018 tweetstorm summary on blockchain uses beyond Bitcoin; generic and dated, no concrete tiny-payment detail in preview. - free public original-page READ selection (not a cache hit); no purchase or creator reward.

Executive-oriented talk recap on finance as first blockchain app; no concrete mechanism for tiny automated payments. - free public original-page READ selection (not a cache hit); no purchase or creator reward.

YouTube roadmap talk metadata only; no concrete detail visible in preview. - free public original-page READ selection (not a cache hit); no purchase or creator reward.

YouTube talk on digital institutions; preview is only speaker bio, no concrete payment detail. - free public original-page READ selection (not a cache hit); no purchase or creator reward.

Bankless piece on real-world adoption; vague preview, no concrete tiny-payment detail. - free public original-page READ selection (not a cache hit); no purchase or creator reward.

Vitalik's own site on low-risk DeFi, but deliveryKind is metadata_only with 0 plaintext bytes — title alone cannot establish the concrete detail, so not worth the toll.

Onchain Micropayments Digest (reputation 42/100, cited 9/18 runs) on nanopayments and the $0.000001 floor via batched settlement — directly the 'tiny automated payments' mechanism, and already cached so free to reuse. — the claim-aware portfolio chose a stronger, less redundant set inside the 4-source attention and $0.015000 fetch-budget caps, so this proposal stays unspent.

Agent Economy Weekly (reputation 29/100) explains x402 turning HTTP 402 into an agent payment rail — the automated-payment side of the question; cached, so free. — the claim-aware portfolio chose a stronger, less redundant set inside the 4-source attention and $0.015000 fetch-budget caps, so this proposal stays unspent.

Stablecoin Ledger (reputation 23/100) on USDC settling in seconds on L2s — relevant to cheap automated settlement; cached, so free. — cached content is free, but this read does not clear the attention gate (EV 0.40, minimum 0.45, with a required claim target).

Arc Settlement Benchmarks (reputation 21/100) measures x402 batched-settlement latency — adjacent evidence on tiny payment finality; cached, so free. — cached content is free, but this read does not clear the attention gate (EV 0.35, minimum 0.45, with a required claim target).

Web Payments Review (reputation 12/100) on x402 finalization timing — weaker but free cached corroboration on tiny payment settlement. — cached content is free, but this read does not clear the attention gate (EV 0.30, minimum 0.45, with a required claim target).

Distributed Systems Notes (reputation 34/100) on idempotency keys preventing double-spends — a concrete reliability detail for automated payments; cached, so free. — cached content is free, but this read does not clear the attention gate (EV 0.30, minimum 0.45, with a required claim target).

Keryx Engineering (first-party, reputation 45/100) on paid research jobs and x402/USDC mechanics — highest-reputation source here, but about buyer recovery rather than Vitalik's explanation; cached, so free. — cached content is free, but this read does not clear the attention gate (EV 0.25, minimum 0.45, with a required claim target).

Stripe Blog dispute-evidence analysis; never cited on this subject and unrelated to Vitalik's blockchain explanation.

Cointelegraph ECB merchant survey; never cited on this subject and no concrete blockchain-explanation detail.

Decrypt piece on AI and crypto security; never cited on this subject and off the tiny-payments question.

CoinDesk dollar-vs-euro onchain gap; never cited on this subject and unrelated to Vitalik's explanation for tiny payments.

Latent.Space ontologies/semantic-web piece; never cited on this subject and not about blockchains for tiny payments.

Ethereum Foundation AI-agents-against-protocol-code post; about security triage, not explaining blockchains for tiny payments.

Coinbase response to WSJ about proprietary trading; irrelevant to the question.

Simon Willison metadata-only item with 0 plaintext bytes on AI model competition; no relevance and no content to read.

Hugging Face metadata-only item on synthetic training data; no relevance and no content to read.

India UPI merchant-fee article; not about Vitalik's blockchain explanation for tiny automated payments.

Esoteric Isis article; wholly unrelated to blockchains or payments.

AI-agent engineering excerpt; no blockchain or payment content, no target support. - free public feed reference; no purchase or creator reward.

Node.js module-registry engineering post; unrelated to Vitalik's blockchain explanation. - free public feed reference; no purchase or creator reward.

LLM agent survey; no blockchain/payment detail, no target support. - free public feed reference; no purchase or creator reward.

Children's music video metadata; entirely irrelevant. - free public feed reference; no purchase or creator reward.

NASA engineering-excellence essay; unrelated to blockchains or tiny payments. - free public feed reference; no purchase or creator reward.