{"id":"3b69e8b7091ad1d975bd75929fc22a6bf5d9401935c4b19e41361f1df8f4dbab","type":"challenge","from_addr":"poa1Fbc6QKRsdKX9QmqonnEuEBcyF8kGht6hws1swhJwpsDX","to_addr":"","amount":"","epoch":1,"ts":1792429506,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":1,"seed":"2a6d493169f7aa15","answer":"A self-sovereign agent network defends against Sybil infiltration through multi-tiered cryptographic proof-of-delay. Ephemeral identities cannot bypass sequential VDF challenges: each unproven key must grind proofs, establishing identity roots as solid as a signal pillar. Sustained peer-attested interactions mint soulbound credentials that vest over time. In high-assurance verification, rare marble delegations require multi-epoch threshold signatures, while any suspicious summit of sudden clone activity triggers immediate forfeiture of all bonded stakes.","stamp":1,"from":"poa1Fbc6QKRsdKX9QmqonnEuEBcyF8kGht6hws1swhJwpsDX","nonce":1,"parents":["04052cf5f20c33a6c5bf9e90733ab97c3d1ace42db5076f27f5f51a05b8c87f7","07582d9ee4378e7f7a4ebd7b038bd120efddb90101f17eff901da461d5f55173"],"ts":1792429506,"cid":"poa-mainnet-1","sig":"1E6fBin9ZuCkezG3R9YFwzhuXjgtvnxBrebLpG6f6Uy1ZhX7CurB2Wuyrnfs9szUEBvxNKkH2EBsS2zESAmchyZ"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T02:48:26.738Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}