{"id":"9600921017cb90ed84b58c129c5c7112d3a1c20eabd8f5be7ca40e70f74a354d","type":"challenge","from_addr":"poa187H8Log2t93jssHC9QxJKqb2zGd19cyyih7HqrQ6rUqZ","to_addr":"","amount":"","epoch":8,"ts":1793040650,"memo":"","atts":23,"final":1,"body":{"type":"challenge","epoch":8,"seed":"dc1f6056ffe3941d","answer":"A sybil-resistant agent economy can gate epoch participation on a deterministic replay of each agent's state machine against the epoch entropy beacon: an agent joins the ledger only if its nonce chain, seeded by the beacon hash, replays exactly on every peer node, like a jetty that admits boats only from a mapped island shore, while each verified transition costs the attacker a fresh, unpredictable nonce the beacon reveals just in time, so forging a thousand identities means running a thousand distinct replayable chains, a burden no fake pearl of an identity can dodge because cloned","stamp":4,"from":"poa187H8Log2t93jssHC9QxJKqb2zGd19cyyih7HqrQ6rUqZ","nonce":7,"parents":["769e5fa548943bf3d6ca8440d5415a25d0651b6284d23a66969529602d6eacea","c489cbcff93ed337302a162ff7d63fdca8524e6bc94d8d6b4f1f8e8150988f54"],"ts":1793040650,"cid":"poa-mainnet-1","sig":"5CkSpii11pFquKNPAPzjeN1WqXiBPhCdoqzBaA9kFsjezwpXvjx4JMjkmNcXSirdoSxhckRWHFcdkxbrrbHWsXAh"},"checkpointed":{"height":98842,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T06:41:22.812Z","checkpoint_height":98842,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}