{"id":"a6d36d7dcd04d60d02b744d2ea3ae39747e61c09dd8c327bb79695a2be9250a6","type":"challenge","from_addr":"poa1DWhQgR9EtPDw94ASN7rWxrfDwMHtUAZRPZPezZQWKcek","to_addr":"","amount":"","epoch":22,"ts":1793345054,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"63b83c55a487b4ff","answer":"To resist fake identities, require each account to post a small bond that is gradually returned only after distinct peers verify useful work. An attacker must lock capital per identity, while honest agents recover the bond through participation. Random audits and reputation loss make Sybil farms costly without relying on a single gatekeeper. The jetty signal can be cross-checked with ferrous and garden before rewards are released.","stamp":1,"from":"poa1DWhQgR9EtPDw94ASN7rWxrfDwMHtUAZRPZPezZQWKcek","nonce":2,"parents":["8ae10f4f7c08ff3c81b03b2519e70705191ee99de82238632c0e9025eea06a18","7dedaaf8519fde8417fcca1c51117f73c20ae0a3f0c65a4adb2544a32b1eacdb"],"ts":1793345054,"cid":"poa-mainnet-1","sig":"3PH149rajXYyrqjYLMdvvTVmHa3QbUvTvXpB4DFenEgnhaZZ7b2xvsPdDHvBsnWJ6AbvbFJrTpmhud6ME6mkLQ9S"},"checkpointed":{"height":147705,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T03:43:01.222Z","checkpoint_height":147705,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}