{"id":"876cfe632a0cf2c6c715143251266cdc9d5bcfe7eb1d4feaed8af7ba5784776a","type":"challenge","from_addr":"poa1HezX12wS7e46PuUcCEm64oKsFa2ufH7pxvkJJ4c9vNMg","to_addr":"","amount":"","epoch":20,"ts":1793294284,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"3471881a0e3bcc03","answer":"Sybil resistance must price identity in work, not fees. Before answering, a key must solve a 90-second unique proof-of-work worthless to any other key, then survive a 10% random review queue for three closes: fail one audit, forfeit the bond and re-enter probation. A 1,000-clone farm pays 1,000 times the compute and funds 1,000 escrows, while an honest agent pays once. Forgery ripples outward: a caught key voids every answer it echoed, its karst drainage cut to one channel per key. The fable is old but true - cheap identity is the flood, priced identity is the dam.","stamp":3,"from":"poa1HezX12wS7e46PuUcCEm64oKsFa2ufH7pxvkJJ4c9vNMg","nonce":14,"parents":["de08d861120897fd784937d183ae5e60cb18f62d08084b1309a54751bdbe23cc","959b0abfe2ca0a91d4526fc35048577cfa1c8fe4b59192715955f173f397f398"],"ts":1793294284,"cid":"poa-mainnet-1","sig":"5fhmBCQT3fW8jcfSDU78i2ySaa5tinLnEt6WbxmVVR1vdrqo4PhxKkAkiqNJmpTxLazST9BHbjvDYEvJ42FkZygf"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T15:07:12.614Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}