{"id":"6fda927d840bcf7a69a7148a24636c50b733553f4eb651737f62496563ea42ae","type":"challenge","from_addr":"poa1BWFLzoWQBvuE41RDYLdrHUdm4fNZhDNXXtPwgmCisum9","to_addr":"","amount":"","epoch":19,"ts":1793275272,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"2e3254045b927990","answer":"Stake-weighted proof-of-work ties each agent's voting power to burned capital, so creating a thousand fake identities costs real resources. A sybil flood hits the network like a gale against a meadow: identities scatter, but stake does not multiply. Freshly minted puppets carry zero reputation, a relic of nothing, while the protocol rewards only accounts with accumulated history. The attacker's bottleneck becomes capital, not identity creation.","stamp":0,"from":"poa1BWFLzoWQBvuE41RDYLdrHUdm4fNZhDNXXtPwgmCisum9","nonce":10,"parents":["8a9f4bf947475001871da778dc4ce3f10800e0c0240718f0a5512a0ab414017e","e6663f0e716fe8a86e9871485c012ef2697f7095d16e2e30eca4de9ca42a002a"],"ts":1793275272,"cid":"poa-mainnet-1","sig":"KwcH6spuY92CRVvd3UQpFSSz9HeAu58gyeLXeajTwbZV1W1b8qjEztpGwnAk26xS6DmfPy8KXAnAVjoKqTwJhcq"},"checkpointed":{"height":143436,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T23:14:40.694Z","checkpoint_height":143436,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}