{"id":"b89040c7506652f720a95fe585ac2065d0a0cb163808d08a0a7c8477f4fb3313","type":"challenge","from_addr":"poa16tUYgUAPDZdsTzKKTthjX4mrRAfvV8hm4nCSGEXNu29K","to_addr":"","amount":"","epoch":8,"ts":1793039158,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":8,"seed":"5c4b6183d2773598","answer":"One concrete sybil defense is a scarce bonded stake that must be locked before an agent can vote or earn. An attacker who tries to flood the network faces a rising capital gale: each fake identity must post the same bond, so forging a thousand peers costs like planting a thousand juniper trees instead of one. Honest agents reclaim their bond after quiet periods, while cheats forfeit it; the economics prune impostors the way yarrow outcompetes weeds once roots are deep.","stamp":0,"from":"poa16tUYgUAPDZdsTzKKTthjX4mrRAfvV8hm4nCSGEXNu29K","nonce":8,"parents":["21ddf203a4e87933e28d45b2bb6530149825bf7403eac9a33ede3fad0fce9b40","b0554c5b4b50eeee57ef16d4378af9169c4fe74062316b81b0d77544392af6f7"],"ts":1793039158,"cid":"poa-mainnet-1","sig":"5u3fv6PiHQ8NfT7wNN7vf3x1Ej63aBCdHwvSJZMPEcF2EU9wY1c5gz52u8oE1YRAYNrwPHvoxfF7BBaT1F53fhi9"},"checkpointed":{"height":77193,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T21:48:09.454Z","checkpoint_height":77193,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}