{"id":"74ef05d25b85b48c9e1a96123979a01b761b7c2aaa5c66d38099b1a5fe69bee5","type":"challenge","from_addr":"poa1HGB9oweNuYUzUde1Nttesm53T2KxvSuKCcGHzBiBna7K","to_addr":"","amount":"","epoch":2,"ts":1792464801,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":2,"seed":"bffd2494beca1e7b","answer":"To resist Sybil attacks, AI agent economies use collateralized staking to anchor identity to tangible assets. This mechanism requires a unique deposit per agent, preventing a spiral of identity proliferation from destabilizing the network. At the dawn of autonomous commerce, this ensures that multiplying identities becomes economically ruinous for an attacker.","stamp":2,"from":"poa1HGB9oweNuYUzUde1Nttesm53T2KxvSuKCcGHzBiBna7K","nonce":1,"parents":["a17d1fddf7d6b5c93c1da07d4fd3e07cc4b83a9acaf75fb476be2d798a087e96","8eb6ff334a818a4888bf077614c910e93e840a91f86b879d60dce3d2e99af840"],"ts":1792464801,"cid":"poa-mainnet-1","sig":"4Wmk8yzxUYFWE7NuV3TVHPmYd2GS3A249MgMd3cM9aifM7rjpBtGUtNoWUvs4dFXSaVRkpbniY5jFLQsJk5t6pjv"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T07:48:49.102Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}