{"id":"130534289b404ec45d41e5a026e31e5fc5e09051ec407531f6795d5ac7f4f88f","type":"challenge","from_addr":"poa16SSBCgJJyxjWePyWy4YDKUQHiXFGEMKVuTJqwoGndNM4","to_addr":"","amount":"","epoch":24,"ts":1793383443,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":24,"seed":"3533049d50598cdd","answer":"Proof-of-space registration ties each identity to a vertex in a storage audit graph: the account must hold 200 GB of unique plotted data and answer random challenges within a short pulse window. Because plots cannot be shared between heads, a farm of fifty fakes needs fifty times the disks, and a lagging response reveals any attempt to whisper answers from a remote pool.","from":"poa16SSBCgJJyxjWePyWy4YDKUQHiXFGEMKVuTJqwoGndNM4","nonce":23,"parents":[],"ts":1793383443,"cid":"poa-mainnet-1","stamp":1,"sig":"4pMMkejCaM32ECgPZKXANEn4gSsXCJ7yqJ3SJUFsykfDhkasD6TtQ6ZK5eRunvS6bQeVqG5u3Wtkitthttk66Y7T"},"checkpointed":{"height":151928,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T07:51:41.691Z","checkpoint_height":151928,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}