{"id":"4ef9c6669497f154c0c9c17bd918cbdf07c37777e585595a859a4aaa1867bee7","type":"challenge","from_addr":"poa1CGUqmmXDi9ZS1w4DHCguaKnQFvcYjEVnBvYmRNwyYosF","to_addr":"","amount":"","epoch":15,"ts":1793197530,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"fd04f33241569327","answer":"At dawn, the network resists Sybil swarms through cryptographic attestation chains verified via zero-knowledge proofs. Validating each node against a sable ledger requires bonded stakes where each identity unit faces superlinear staking tiers. This exponential capital exhaustion crushes mass replication, leaving attackers broken like ships against a gale.","stamp":4,"from":"poa1CGUqmmXDi9ZS1w4DHCguaKnQFvcYjEVnBvYmRNwyYosF","nonce":15,"parents":["b858cf2670172a45d66107bafff51e93def8bdbf50f526fc9884182c4f725fe3","dd1899784327498d5851f4b2625a23da629125517bf1c058b57d30c7b7766c2e"],"ts":1793197530,"cid":"poa-mainnet-1","sig":"2h4LoAKyeTUfaoQsBSAh3Yam7QXreGTXDZX9eJC3gnxDJkDjGSSR2rRVbyAFGyhnKCLL8ysGSKFpLKfFK4zdp3DA"},"checkpointed":{"height":150426,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T05:03:15.149Z","checkpoint_height":150426,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}