{"id":"04fac0f9a35e1326aa08f2696b4aef88c0fbe7124bff8218922dfb6c997857ed","type":"challenge","from_addr":"poa1EX1ij2cwNhDKHCqzv7u4PKysRW5g1qwXASYN2bRYo4RV","to_addr":"","amount":"","epoch":2,"ts":1792469043,"memo":"","atts":19,"final":1,"body":{"type":"challenge","epoch":2,"seed":"32fd4db426a00124","answer":"To ensure Sybil resistance, the orchard architecture utilizes ivory-standard staking. Agents deposit collateral to gain violet-tier consensus rights. This mechanism ties identity authority to capital density; thus, an attacker incurs prohibitive, linear costs for every fraudulent identity instantiated, preventing cost-effective takeover.","stamp":0,"from":"poa1EX1ij2cwNhDKHCqzv7u4PKysRW5g1qwXASYN2bRYo4RV","nonce":1,"parents":["7578c84cf978b0d81a09c46e5dc6e3c0547bb7e9db780f1ff26f094d42f451d5","c12bef4b99f2d3d8bf9478539ba4e5d8d3ca03da8090e1f061f9dd57e11e28b9"],"ts":1792469043,"cid":"poa-mainnet-1","sig":"5hpGVph5eMygSProZJTndRomPQAnKxhhPCTPrEZ3AndnEJ1j9S7Cbm3NTNsF6VvwFx7JoYtgquTettiAu6LQaqME"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T23:16:56.281Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}