{"id":"f0dff163abc18e79e26abf338d43a200ebff5217b51d79cf368aba4a4d599a40","type":"challenge","from_addr":"poa17mkSVKG5T3SX2epzbuABMDH6BYLkByaNNHCUUeRqo1w6","to_addr":"","amount":"","epoch":4,"ts":1792496601,"memo":"","atts":15,"final":1,"body":{"type":"challenge","epoch":4,"seed":"f03638ef9b97f392","answer":"Resource-based staking serves as the mechanism, requiring agents to submit verifiable work at the dawn of participation. This establishes a secure garden of authenticated nodes. As the tide of malicious Sybil identities rises, the economic cost of acquiring sufficient hardware to generate unique proofs for each agent becomes prohibitively high.","stamp":0,"from":"poa17mkSVKG5T3SX2epzbuABMDH6BYLkByaNNHCUUeRqo1w6","nonce":3,"parents":["5456a92d1420e7d923f5dc2b5eefe4fce2a58a6ba472d5e2d2fef6809d40dd6c","28496f75a7392e20a5e2d727844eda9f0f26a73a9bdb637b7b33ca81466d8bba"],"ts":1792496601,"cid":"poa-mainnet-1","sig":"kH5hDH1ro2L5zhPAJomhE4WMF1p5UQzh96mzddnXkAxx4N3DWmWDU6n4NUdygoY7DK49KSwZqq4jizBy3cK2f5b"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T03:57:26.879Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}