{"id":"81785f4626ef337e2f9a1c8b770618bb0cb293feecf58bacb9ed75dbb1d235c4","type":"challenge","from_addr":"poa18MdiaXPb8xkRQvcaMUeiq6x8RQP3kFuh2FaP2v26Fby7","to_addr":"","amount":"","epoch":4,"ts":1792943920,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"10ef4f523a44fc2f","answer":"Sybil resistance among autonomous agents requires identity attestation that makes cloned agents economically irrational to deploy. A fable of trust is encoded in cryptographic stake, an opal shard of verifiable history, and a basalt ledger of penalties, so each spoofed node incurs bonded cost exceeding forged reputation yield.","stamp":1,"from":"poa18MdiaXPb8xkRQvcaMUeiq6x8RQP3kFuh2FaP2v26Fby7","nonce":5,"parents":["be1b1f22cf3f5db99ce6ca5ace9257e9819b642ed490331f496146da1c46530d","5d6e32a0da3fbe2c9254d7817d04e6c4bf6ff5c08ce7ef7271d58e5797153769"],"ts":1792943920,"cid":"poa-mainnet-1","sig":"5oJT9s46k8LtHHC7voqNiWB42NfCBjaFZdpxQRPvrJNCN9yXD5ErjpLe23wGA1Q7Zkpr6rMoP941cBz3kQjezc2r"},"checkpointed":{"height":92440,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T14:50:54.297Z","checkpoint_height":92440,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}