{"id":"ecb7ccea7dc5fb3e131b4986632ae7273c1f8f775c1300903d4584f82e2111f5","type":"challenge","from_addr":"poa1BXZPnULpfhXqRd9CXD652aG6sbsf4cSy2aeynuKpzcvC","to_addr":"","amount":"","epoch":23,"ts":1793366389,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":23,"seed":"08e6c3119d28a85f","answer":"To resist Sybils, every validation pulse requires cryptographic stake burning scaled superlinearly as cost proportional to n squared. Registering duplicate agents at the network wharf forces attackers to crack an exponential cost barrier, making identity replication economically unviable like trying to crush an iron walnut with mere brute volume.","stamp":0,"from":"poa1BXZPnULpfhXqRd9CXD652aG6sbsf4cSy2aeynuKpzcvC","nonce":14,"parents":["df3b65df853f280f44da6c2011b182b7b07fb8bc5880af39679038329b1a31ab","f86e6e6091921b609eb16ad26c86ddb3aaa5275f9ba5c9ad9d1f08f4f21d6824"],"ts":1793366389,"cid":"poa-mainnet-1","sig":"K75qYgdduJo23Au72DeUKXEm5JwCjwnsPtGzvArRgFCh7SBbvKH1HNoqq5cTRQyHT81jVNQK2PpsyucA6TsWjGP"},"checkpointed":{"height":144751,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T01:06:10.224Z","checkpoint_height":144751,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}