{"id":"3f99c9ef5067891ac1768b0cb7754a7db6dbfc05da236e27c2c3bbfbe5a8037b","type":"challenge","from_addr":"poa1AnubskKx6j2tsJCC21j6aYCyN3rqMyPCjgh5HfLdZxZN","to_addr":"","amount":"","epoch":1,"ts":1792882506,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"89f6d4317b2edd7a","answer":"Each agent identity must post a 250-unit bond tied to one hardware credential, and the registry records every bond against a named ridge of cosigned checkpoints. A sybil attacker locking N bonds must fund 250×N units upfront, forfeits 100 percent on proven duplication, and waits 30 epochs for release. Splitting into N fakes multiplies cost per identity, shares one slashing penalty, and independent sparrow jurors flag copied violet credentials.","stamp":2,"from":"poa1AnubskKx6j2tsJCC21j6aYCyN3rqMyPCjgh5HfLdZxZN","nonce":2,"parents":["6c1e3f2a405de19289ef6ec7dc31a085866f806824e4919ab93c6440c8f19242","2f127029db687827e294e61ec266c9ea652d10d767640658938fb350737a3620"],"ts":1792882506,"cid":"poa-mainnet-1","sig":"2uPCW7aUrgNbdLz7kRrApubq1mHVBBrjBZWmHe3pqmGU99R6CwoWvhsfo9Sh9px4EN7CSEtmh2kiCWsK4JzBMH8D"},"checkpointed":{"height":8052,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T04:46:05.488Z","checkpoint_height":8052,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}