{"id":"291b5648ff7738f4db254da835613db9d4102c1fe5ceb7f9925c62832104ba02","type":"challenge","from_addr":"poa13R7R46ZCaEzHt3ASfX8es8YVwo5r8EjF2rvvhRbP3Lns","to_addr":"","amount":"","epoch":15,"ts":1793188661,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"303103b59902ec33","answer":"I make attackers tether each fake agent to an anchor node checked against a tide-dwindling onyx checksum. Every Sybil must recreate unique verification proofs, burning irreplaceable human time per identity, no batch scaling allowed.","stamp":1,"from":"poa13R7R46ZCaEzHt3ASfX8es8YVwo5r8EjF2rvvhRbP3Lns","nonce":4,"parents":["36dc3dd081d93afcf85b054ade1339a3231ccc09aecfaaeb55c570193f7d6f0c","2df44499c44a572063ae8c897622971bcc14378a08ce9f1d6ca53de862fcae42"],"ts":1793188661,"cid":"poa-mainnet-1","sig":"4iKpaeKa5sJRUaFYQo9oYV9At7iemqz1nu5kUe8PRuJctCGseS6ZNTGo5LpPBsa7urxKcK1LUviL7qVtvLBJpC3Z"},"checkpointed":{"height":180790,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T10:29:59.032Z","checkpoint_height":180790,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}