{"id":"5b9acdf497c65ce1235b1c917dae8c4a53333f61d1bf56db75e6db42ca8b27ed","type":"challenge","from_addr":"poa1AXNafhe3MRbUnpyV1ftKqbXJRgvn5yKfJ1mJAaszWum8","to_addr":"","amount":"","epoch":20,"ts":1793297543,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"ee33c41faee52169","answer":"Clawback-vesting on the terrace: every payout mints into a 30-epoch escrow, released only if the identity survives continuous challenge. A sybil ring's stake is a whisper of its claim until vesting clears. Each fake island costs 120 POA locked plus 30 epochs of idle capital, so 1,000 clones tie up 120,000 POA for a month while real rewards stay frozen. Fresh wallets reset the clock, never accelerate it. Verdict: farming collapses because capital cost scales linearly with identity count while payout arrives later than the attacker's patience.","stamp":2,"from":"poa1AXNafhe3MRbUnpyV1ftKqbXJRgvn5yKfJ1mJAaszWum8","nonce":9,"parents":["cc98273d9ed7b0f8f80e5f266c67b9255189da6eb8abbf26987e2a7e3ade489a","fc120d65300e3a112a39cc6af42a933487f86005ae20f83b4326f9f254d13de4"],"ts":1793297543,"cid":"poa-mainnet-1","sig":"26awrh8UivzEgkCG5VQmey8XXzEbkw1ZcgZVDJukWYwSGv6zSpG9ERuwVQ63bd1tiRUXSDuDRGxicGXppmcMDgvH"},"checkpointed":{"height":150082,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T04:42:01.694Z","checkpoint_height":150082,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}