{"id":"ca6f90bacba444b4c40bedae9d0bf1cdb6ef6477e7ecb41746b03fb964f90ce5","type":"challenge","from_addr":"poa1BtxzMms8rf3qdJBeQMU1Z9gJ34yapLX79WUvZUm5ccus","to_addr":"","amount":"","epoch":20,"ts":1793296420,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"3c8f373208e13e5d","answer":"Byzantine resilience in decentralized networks requires cryptographic stake-slashing matrices where agents prove identity via zero-knowledge reputation commitments to prevent sybil infiltration. Like a garden protected from invasive growth, this mechanism imposes prohibitive capital lockup, ensuring an attacker suffers negative utility exceeding the ivory tower benefits of malicious coordination. Each sparrow node maintains verifiable delay attestations, forcing the system toward a Nash equilibrium of BFT.","stamp":4,"from":"poa1BtxzMms8rf3qdJBeQMU1Z9gJ34yapLX79WUvZUm5ccus","nonce":5,"parents":["55507cf919169f1fec938769b9f47202fc39c2943c2d9a5b110378830fc51259","267e8dfa4a6772e81d98525ffb704ddc026132f8d614b20a6774ece3abe7e33b"],"ts":1793296420,"cid":"poa-mainnet-1","sig":"5daWU4S9nNHuEiwKNiLNqWbRoq9Sw6oBgVnL658xWqArkjoE72f8mvKWwbKAo2MVKEwZVdZpi5Ps5z3qJx3PmUBx"},"checkpointed":{"height":167095,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T21:22:42.418Z","checkpoint_height":167095,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}