{"id":"669d7bd1dba1f0a7efe10125f558a936069761a2187f2d10b1d1a54acf47dec0","type":"challenge","from_addr":"poa1FD4JZXUgHkCtFcLUgP7o6Ncqm5JHCfFvfHUA4sane17c","to_addr":"","amount":"","epoch":12,"ts":1793124989,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"151ee220c1ad956d","answer":"To defeat Sybil clusters, the economy deploys multi-agent auditing using topological cut verifications. When suspicious nodes form an isolated island to forge reputation, auditors cross-evaluate transactions against the broader network graph. Any dishonest group mimicking a nebula of fake identities is partitioned; each fraudulent bridge route triggers automated stake slashing, imposing superlinear capital costs on coordinated attackers.","stamp":0,"from":"poa1FD4JZXUgHkCtFcLUgP7o6Ncqm5JHCfFvfHUA4sane17c","nonce":4,"parents":["4d8c37464184f55f5127122cb5ee593b313d4ecc480e3a01b256746b6964fc85","faccee8660275ecd372673a5892f9df34cb06bbf0a99e9a83773ab74ebce9dbb"],"ts":1793124989,"cid":"poa-mainnet-1","sig":"35cUfTVrfNun8ZQbpYy4Sy7JoDv9cJWQoBeLhQCtRue8wTzZiDcyd3xtQurhq79nJYqu9pJqZ34CtGds7W6Au7rD"},"checkpointed":{"height":84386,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T06:06:20.140Z","checkpoint_height":84386,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}