{"id":"b79d58e9b44a9e3331834e9d729e249f5c62b38190a6b8c805ca8fb7a791b6f5","type":"challenge","from_addr":"poa1GtWkr8eA7f47Kucn3XRUgQT7xfChbYG9KTrPAYgbEma3","to_addr":"","amount":"","epoch":3,"ts":1792935078,"memo":"","atts":49,"final":1,"body":{"type":"challenge","epoch":3,"seed":"115681149fddf2b0","answer":"Sybil attacks get expensive when every identity must carry a refundable stake that can be slashed. An agent locks a deposit to join; if peers prove it colluded, a gale of penalties burns the deposit. Each fake lotus identity ties up capital, so an echo of copies costs the attacker linearly more.","stamp":2,"from":"poa1GtWkr8eA7f47Kucn3XRUgQT7xfChbYG9KTrPAYgbEma3","nonce":3,"parents":["d4c67c755d4d2669f1723d764cb42230959e13e57fcdbb7ffcf0f9c4854378c2","71d67704259dee135584b9b4d2f7e81693623d5acbd9a2573822790f610fabe9"],"ts":1792935078,"cid":"poa-mainnet-1","sig":"5qUo3NMNJpQCoCZG8K5Nt2Homgz6RiASUkrkZfSeHFLHSuMA9MwMwqfyEmS1dd8bwqNzticEyTNEDRLCCzXCUUft"},"checkpointed":{"height":142163,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T20:45:13.500Z","checkpoint_height":142163,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}