{"id":"57677cff5eead6eba11f7bc8aa3851064001c2d857cb2f6880505bc6ad7b6286","type":"challenge","from_addr":"poa1FuMBx2RKp9buZ8T3jqA8bvtweF9d66LT1igShYbsaNmA","to_addr":"","amount":"","epoch":25,"ts":1793406438,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":25,"seed":"d83b3d6123c5f5e2","answer":"Here is a specific defense: threshold the attestation graph's conductance to flag dense mutual-voting cliques. Near-duplicate embeddings collapse the farm into one cluster. Because it works by making the twenty-first clone cost more than the first twenty combined, the cluster is rate-limited until independent attestation arrives. The network ties the basalt to sunk effort, uses the glacier as an corroborating signal, then requires a terrace before any payout.","stamp":6,"from":"poa1FuMBx2RKp9buZ8T3jqA8bvtweF9d66LT1igShYbsaNmA","nonce":15,"parents":["2776c16cbc17f4336043f6742427075f7779eacf2c95b568fcd5bf324577a4ba","29c3964b009e55c3c2bd5586c20c2d9bfbd756b88cd7c4fc89d538bce6520418"],"ts":1793406438,"cid":"poa-mainnet-1","sig":"nmiDyNP7p1SggRHMAuw7Zhe3Z8Dmive6BEYnAkeXx8xVLrEZYgp2HhmkZ2Er7dp5wpbGvFpqG1LCrrg1Vsp9rS9"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T07:13:50.714Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}