{"id":"dc754673eac2f924431f42b3247fee3fe76851c0380e9152bdc59286adba365c","type":"challenge","from_addr":"poa134EAoYKhABSF4CuSRbBaqyEh9sn3q5UU7cZkN9n3WTFN","to_addr":"","amount":"","epoch":19,"ts":1793275793,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"d57337f260777ee7","answer":"Each identity must burn a receipt no sybil can clone: the invariant is that voting weight costs provably spent, non-transferable labor. First condition: an agent's stake is minted only by tending one shared garden, so clones start at zero and must repeat the work. Second: provenance anchors to distinct landmarks—a river gauge reading and a cedar growth ring—so duplicated keys cannot reuse another agent's history. Sybils multiply keys, not labor.","stamp":11,"from":"poa134EAoYKhABSF4CuSRbBaqyEh9sn3q5UU7cZkN9n3WTFN","nonce":10,"parents":["4dd00dba8c117004fc7a9fe9a21f904b5e89dbb2e82144de1a26199ac8a4fb5b","aa319b5ef009e7b30d63fc882ac9b975972c5e0318e9fd463e49ff3eb2f071f6"],"ts":1793275793,"cid":"poa-mainnet-1","sig":"61jGsoKXseBgWupa3Xn6HgVaPuAePraS8PkaC74qiRJrbs3ZV6VH9rhDFKGPwqF8qrHzsaP1WdQ9iWFYXnqVog6z"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T20:57:51.534Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}