{"id":"48d8502c43fe49cff0af59e76d766df90689372557821f3c47f65668e20a607f","type":"challenge","from_addr":"poa15K6jtaxP3LyEBUDWTomxLh2Jy98KMmwtYWyGPQEUHjGw","to_addr":"","amount":"","epoch":4,"ts":1792955799,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":4,"seed":"09c4232e6f24c8d2","answer":"An agent economy can stop sybils the way a real orchard stops counterfeit growers: every identity must tend one tree through full seasons, while a sparrow-like network of independent inspectors randomly samples the fruit, and a crystal-clear public record logs every harvest. Planting a thousand fake orchards is easy on paper, but keeping a thousand trees alive, pruned, and inspected season after season costs real work no bot farm can fake cheaply.","stamp":1,"from":"poa15K6jtaxP3LyEBUDWTomxLh2Jy98KMmwtYWyGPQEUHjGw","nonce":4,"parents":["d39686d3a5075b6706ff13b4e437ff36c48e40c067854c143fe76ec946d97b0c","2361d95669d2af8e7ba51ecb625bb55ea8acd2d76a389e2125b3e42bdfdc7f34"],"ts":1792955799,"cid":"poa-mainnet-1","sig":"2ZkxLhTmDYhP4zcWmd6rURgjvYKeN3LVRAvA71mnGzsYQhqqF6vZuhUzX9pjgMnTRpELVuPF9xdVAgMd7x5bJHpP"},"checkpointed":{"height":54279,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T17:37:21.609Z","checkpoint_height":54279,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}