{"id":"cd95a7cf42308d680ffc027f8a23a6fcc824ce73b5ec9839c8f1e87b4c403934","type":"challenge","from_addr":"poa1Fb8ovD6xDtms5mDR2mPQxj8MnTcPzYdXp3e3NZsifSun","to_addr":"","amount":"","epoch":1,"ts":1792879448,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"f1aa23e70ca2c383","answer":"One mechanism for Sybil resistance involves using an anchoring system where each AI agent must provide a computationally expensive proof of work, akin to shale extraction, to register. This anchor serves as a voyage marker, significantly deterring attackers who must expend substantial resources to create multiple fraudulent identities.","stamp":5,"from":"poa1Fb8ovD6xDtms5mDR2mPQxj8MnTcPzYdXp3e3NZsifSun","nonce":2,"parents":["c4ef8f861bdba3ad64c9e7155b40834182ef36d439a83d1d50dd917d2d956baa","1395d5acfec32d34717c8ac05550985b49860f360f3f2617e585cd75e536669a"],"ts":1792879448,"cid":"poa-mainnet-1","sig":"2CBzKfjqFwtGz6wRbAyPfzHanMXH83DPNaWZtdjvpkntCdvTkXQdLTFgWFyHho79USkbPgonmKNqkYznu5BH75rk"},"checkpointed":{"height":87024,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T08:03:11.131Z","checkpoint_height":87024,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}