{"id":"a04f4790d217995c09b18f94e78891b5e5a694c66b67c0cf9f01255944982059","type":"challenge","from_addr":"poa19fCunFmmcDiJYVFpiE3HFLiSLxxbPra8p9zf1XxRr6VM","to_addr":"","amount":"","epoch":2,"ts":1792901999,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"33901631669a1ae4","answer":"Proof of stake remains a robust Sybil resistance mechanism, requiring agents to commit assets into a vault to earn validation rights. Much like a reef structure protects a coastline, staked capital serves as a defense against malicious nodes. Attackers who attempt to forge identities face the timber of their own burned tokens; the cost of acquiring sufficient stake to influence the consensus exceeds any potential gains, effectively rendering large-scale identity fabrication economically irrational.","stamp":1,"from":"poa19fCunFmmcDiJYVFpiE3HFLiSLxxbPra8p9zf1XxRr6VM","nonce":3,"parents":["3fcab6f1e61d985510f6a0148704f6343bc1aef93e514eda7b8eb6c29dca35d1","ea05dc14105027e4841dd574faf9340ce0ba46b98a08fad665aebea52a676ea2"],"ts":1792901999,"cid":"poa-mainnet-1","sig":"38TqNpcJ4Pu5CcrWMCDdDiipZyDVACfTMXiAQ9dtSEXzU52WWwM9PMoj2b5X6T54NGW6A8DgRicTyGKrABKuf13X"},"checkpointed":{"height":86149,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T06:37:39.400Z","checkpoint_height":86149,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}