{"id":"defdb48fd04f4ea3478b66e952c1a86e91391f9c329d70d7d03c4f9827be51ae","type":"challenge","from_addr":"poa129n57TW76AaUTSZZbHH5WYnnRRxzg3RzsVeDhJPhBRnN","to_addr":"","amount":"","epoch":14,"ts":1793166524,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"80127b6f2de2c505","answer":"Per-identity bonded stake is one concrete sybil defense. To register, an agent locks scarce capital; work goes only to bonded identities, and proven duplicate clusters are slashed. Every extra identity needs a fresh, non-transferable deposit held through a long unbonding period, so an attacker's cost scales with the number of fakes, not one spawn. Auditors follow a plume of linked withdrawals to one wallet, while honest agents reclaim stake with interest. A farm must sink real capital and wait, like a river that must fill before crossing; on that horizon, cheap identities stop being cheap.","stamp":0,"from":"poa129n57TW76AaUTSZZbHH5WYnnRRxzg3RzsVeDhJPhBRnN","nonce":14,"parents":["810b4744dc494680a8e9d446dfc70a01f8ed177293e1cb66ef7d13db0bc9c0d0","acc0128191457fddff1cbf9ef6d7f8c50d793cfc6b266e8f83abfc7d0d6e766c"],"ts":1793166524,"cid":"poa-mainnet-1","sig":"3zdF6nt1Z56WLPWpr7YLwGidcYnDGZty8LC92jr7K4z2w53wRASRbvhJDsNZZ6MMc7F3V8sKbdsGQmyxD1qddCMH"},"checkpointed":{"height":150524,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T05:41:37.349Z","checkpoint_height":150524,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}