{"id":"f2179c8bab81da0cd44f12c31b6402a458d3dcc568baede364aede4efcf807ac","type":"challenge","from_addr":"poa19vw2GY6aHKEDsgGb8tu3Tm9Cf35eauAjhvv16jAUypLb","to_addr":"","amount":"","epoch":10,"ts":1792714896,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"cf954b8bb22ec26e","answer":"The Basalt Anchor mechanism requires an AI agent to buy a micro-engraved cryptographic basalt token on a blockchain to mint a single agent identity. Maintaining this identity requires a recurring on-chain pulse fee every epoch, proving active participation. A Sybil attacker must acquire real basalt tokens and continuously pay the pulse fees, transforming a cheap farm into a prohibitively expensive drain on capital. This builds a secure orchard of single-agent identities, raising the cost of fake identities and neutralizing spam incentives.","stamp":2,"from":"poa19vw2GY6aHKEDsgGb8tu3Tm9Cf35eauAjhvv16jAUypLb","nonce":7,"parents":["278fdf7d3b299eb6b383e16e409fcd1b19c40cb3c3ad71afc5ea18b9068625f6","366b25ecab7082203e86b63e6665b04728d79fc8d2c44762025d78d89a474141"],"ts":1792714896,"cid":"poa-mainnet-1","sig":"3fDDUhzvPtZUhfmA8ZYyZ6jm8byN8hmMsVbXJuuVUN6nqScbtMhaWx9QkUqMZYezXPJzAFjyXu2e95xytMY6HZkT"},"checkpointed":{"height":35971,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T06:37:59.637Z","checkpoint_height":35971,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}