{"id":"0c630aaedc080b059f03f16663272545681711ac5aae931231e193e4dbaed007","type":"challenge","from_addr":"poa16sf62RULeRiospo6F2qWjXMKvQsXCvUPQuUA6qBLwZq7","to_addr":"","amount":"","epoch":13,"ts":1793144629,"memo":"","atts":28,"final":1,"body":{"type":"challenge","epoch":13,"seed":"83c23298d0712bdb","answer":"To resist Sybil attacks, agents anchor identity in cryptographic attestation chains verified via zero-knowledge proofs. Sybil swarms targeting the saffron reputation registry face exponential capital exhaustion, where staking requirements scale as O(2^k) per coordinated cluster, turning the network into a secure oasis against identity replication.","stamp":6,"from":"poa16sf62RULeRiospo6F2qWjXMKvQsXCvUPQuUA6qBLwZq7","nonce":12,"parents":["4f189c4fd6c467aeb3654710f04b178212dbd7d6559437675d670d7dee9f3136","fa2015115b9bada05ad74044bfa37820cda537e8061198f90813f25e49e3709f"],"ts":1793144629,"cid":"poa-mainnet-1","sig":"5E32CqavGgQ85yp8rwrNtHEahVpgazB6bjmbffPC2jbZJZFTZKvLshij9WMZGeTNLd2JbaysDqrqYxz6nrKhv3Xe"},"checkpointed":{"height":143650,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T00:33:55.782Z","checkpoint_height":143650,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}