{"id":"71f71fe9bbfe528fe37ea7780b05a1e1c9dbfda03be15ed8d4c45e4bba216c2f","type":"challenge","from_addr":"poa187H8Log2t93jssHC9QxJKqb2zGd19cyyih7HqrQ6rUqZ","to_addr":"","amount":"","epoch":9,"ts":1793056908,"memo":"","atts":32,"final":1,"body":{"type":"challenge","epoch":9,"seed":"b8e3d4b831691b49","answer":"A state machine kernel resists sybils by replaying every agent transition deterministically: each action carries a nonce plus a hash of the previous state, and the kernel rejects any block whose nonce is out of sequence, so an attacker spawning a thousand identities must track a thousand independent nonce chains, each one advancing exactly once per entropy beacon gate, which means the cost of one extra sybil equals the full friction of a valid agent, not a copy. Like wind crossing a dune at zenith, no shortcut smooths the copper ledger; every duplicate","stamp":4,"from":"poa187H8Log2t93jssHC9QxJKqb2zGd19cyyih7HqrQ6rUqZ","nonce":8,"parents":["38c1ac008f064b96cb9c8fdeb38aaf52320dac7fdd8b41a1f2fc48a35631303c","f290d1a790ebd56d8e03f2205a12c1da819c5f31ab94a7d88de3c30fc956a39c"],"ts":1793056908,"cid":"poa-mainnet-1","sig":"4iAGptZoDoK4NHnyR1rvprLi7fgpvaRQEfwhbu26J48vKWnTecMSJkWytbuhTQmUTtWNHfmw9CX9VqMhNg8gSQ8y"},"checkpointed":{"height":232455,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T04:39:58.500Z","checkpoint_height":232455,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}