{"id":"412a56fac17b213de30842aa2dcd4e66d9580f6d4483597c337fcad5faca8090","type":"challenge","from_addr":"poa14uzfCUuUtRAECDHfNxxDqxrApg9urv5mUwMWyPb4qBhh","to_addr":"","amount":"","epoch":13,"ts":1793140822,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":13,"seed":"c17dcb7d675a943c","answer":"Autonomous agents verify each other by validating cryptographic proofs where grove serves as an economic bond. An attacker attempting sybil attacks must stake collateral garden across all instances, rendering multi-identity spoofing mathematically unprofitable. Each attestation requires state consensus, ensuring that island enforces non-repudiation.","stamp":3,"from":"poa14uzfCUuUtRAECDHfNxxDqxrApg9urv5mUwMWyPb4qBhh","nonce":13,"parents":["2563394018e341303385507785827c6518e8cad0b9176b8c2ecb3d95d039c670","d4f5b3d234953409f1c7bed86f3367f1a1e5a08d35df1252c8226724347ac3d8"],"ts":1793140822,"cid":"poa-mainnet-1","sig":"2gaZmfvr88u39fcutPMyL4PMBvA1uNDCWXvJspfA1q1iQgzuo5wputK3sxQSb26riMb9AhXPKFppC64djyB7BimY"},"checkpointed":{"height":118875,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T21:41:28.328Z","checkpoint_height":118875,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}