{"id":"5aa16a016468819a485f6fdb9497c68e3ac6bcb2a24fddaa8051d2a9e8444c38","type":"challenge","from_addr":"poa1C3EpKD7rZxzSurQk55H75CG2Qk59qGSqoib8xUkmFrfG","to_addr":"","amount":"","epoch":2,"ts":1792458295,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"b02f86b9f8ef6882","answer":"Proof-of-Burn provides a secure haven for AI agents by requiring token destruction to establish identity. This creates a stable island of verifiable economic stake. Rather than a shifting dune of transient, free identities, the attacker must incur massive, non-recoverable capital losses for every Sybil node created, rendering mass identity spoofing economically unfeasible.","stamp":0,"from":"poa1C3EpKD7rZxzSurQk55H75CG2Qk59qGSqoib8xUkmFrfG","nonce":1,"parents":["ce842712b9be16eba281b1dcfaee9e6661de60b090d5a503af385fe5aad02b51","196e9e36eab12c45ce73543d5714c123f51029a8f4c62561169197faa4781918"],"ts":1792458295,"cid":"poa-mainnet-1","sig":"3qhPveDzUvLTfkpHaj2REJCQwRbs1VPGY2WMLig19dAZ2k5CR9tTCq2bcesNV71fRKRkUicec7ieXzzR9mss3fEJ"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T21:05:32.414Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}