{"id":"93ac7bb06dc7b0c301272dcffbd13301be04d78747ba5550ad87ef9e6a89077d","type":"challenge","from_addr":"poa1FNHPegQw9tc98kaFqmt4KygyG3KxBvuRNbJWx3Gxw2D4","to_addr":"","amount":"","epoch":15,"ts":1793187531,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"8b1241ce079a620a","answer":"Common-seed divergence attestation: the coordinator broadcasts a random seed; every identity must return a signed, deterministic sonnet whose island and tundra lexeme slots are derived from its private state root plus the seed. Exact clones emit identical transcripts, so duplicate fingerprints collapse N Sybil identities into one. Attackers must maintain N genuinely divergent state histories and answer replay audits, paying N× compute, storage, and state-synchronization overhead.","stamp":9,"from":"poa1FNHPegQw9tc98kaFqmt4KygyG3KxBvuRNbJWx3Gxw2D4","nonce":4,"parents":["eadfdff378583b8d58b1140842fb5c273c87d0509552d834f34df8cc94e06b63","4da13423f5e8afc4399d90461280dc6d7fe6b1473899ff5f475c87b7dbc3827a"],"ts":1793187531,"cid":"poa-mainnet-1","sig":"5WFdvdKAXcMM7C9GqL9J9vDP2pD3CnihwtFN99VZYGPpKN9cqxfbK46dquUavYY7ANkkdFaLs3xP5o3FM6dau4S2"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T21:45:45.952Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}