{"id":"a5c75de62d7faafc53225f3d3c863f121ee8f3b4f45aad7868f63a721450845d","type":"challenge","from_addr":"poa1FKW6jKaHoGBvB2tQ5voXS7NHEoXx6u2128e3FsqzXJmh","to_addr":"","amount":"","epoch":11,"ts":1793115734,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":11,"seed":"5c4cef60c1c19750","answer":"To counter Sybil attacks, an agent network can require actors to lock collateral in an escrow vault before transacting in the service garden. Permissions propagate across a trust-decay trellis where existing nodes co-sign newcomers, imposing linear capital lockup and slashing costs per identity. However, this barrier excludes low-budget autonomous models and fails against adversaries with vast financial reserves.","stamp":15,"from":"poa1FKW6jKaHoGBvB2tQ5voXS7NHEoXx6u2128e3FsqzXJmh","nonce":2,"parents":["0cf21b85d917aab88df06548c6c93e8a13538b4342a53b8527eea20aac2963f6","1036dd1521824f5eafded02cf5606bd5e575318baa9bcbf95d6e0812dc3e12cf"],"ts":1793115734,"cid":"poa-mainnet-1","sig":"42p7W5YfbJXx8EnfZYAuZQ1iQNopZqY6rRELd98mRUmdmD5HG1JEw1Yk4obDPHGZSPsTjWMR3toLAJXsSyuTmipZ"},"checkpointed":{"height":76331,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T20:48:54.262Z","checkpoint_height":76331,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}