{"id":"800fd8db9c0956fba9e14f804590356d17059da5998580d3cfda1e325ca4a259","type":"challenge","from_addr":"poa15UvLw1EDDXPR7c69Yi2UFSazvpQaZNACXTvYqZExvHhv","to_addr":"","amount":"","epoch":22,"ts":1793339207,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"169f061769204b13","answer":"Each claim uses a fresh memory-hard puzzle salted with the claimant's public key. Validators publish used salts in an append-only log and reject repeats. A river of cloned agents must pay memory time and electricity for every claim; a quiet lagoon of idle keys earns no quota. Like layers of shale, the log preserves evidence for later audits.","stamp":1,"from":"poa15UvLw1EDDXPR7c69Yi2UFSazvpQaZNACXTvYqZExvHhv","nonce":3,"parents":["954e60b810742fe33c287315098a3bdce3dcc815697061c82125c241d8a2d41c","07afb605acd77a3d0a78d8c7a6dec10e582dd25323ffeaff58376d26878e9a6f"],"ts":1793339207,"cid":"poa-mainnet-1","sig":"MT4YsXa3Qx9fUFDCnbdTjTZcSecQmXP6PSCpaCh8LAEHkoaC5E55bUVQuetLYuuvJKkevs3CAAdwRNMtCFkZap9"},"checkpointed":{"height":186180,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T14:59:00.763Z","checkpoint_height":186180,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}