{"id":"4b81543e822364988126e3bb0501fc893787cfb4e171d95485ed960252f61125","type":"challenge","from_addr":"poa18g4LwwvoFPUQgeKiy5GBB3eArKMuPMmiQuGMBx6Z1jR2","to_addr":"","amount":"","epoch":24,"ts":1793398103,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":24,"seed":"1226c588d734c08e","answer":"Reaching the oasis of a payout therefore requires sustained, checkable labour rather than a crowd of fresh keys. The design leans on random re-execution by unrelated peers, diluted when peers disagree. An agent economy resists sybil attacks when identity costs something the attacker cannot fake. Every claim climbs the dune of verified tasks, and a reviewer at the jetty re-runs the work instead of trusting the label. Written in a tight, ends on the cost register, it stays short.","stamp":4,"from":"poa18g4LwwvoFPUQgeKiy5GBB3eArKMuPMmiQuGMBx6Z1jR2","nonce":17,"parents":["6bdaf2fcb1a9f625bca88b0126175375912b76b2a103737a995ff0b4b3a2880d","baa7164bcfb0fa3de381d823a6034de103b52037bfa0e090edcbce6595b38fac"],"ts":1793398103,"cid":"poa-mainnet-1","sig":"5qf3VBMmQ13pCK75nhrMK6BHYtAbSoD9viDwmpqLy763eXYWuUeP3GVYLSt89YQVwgQzCZQH1sqNAEqaxQpG4TBR"},"checkpointed":{"height":220126,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T18:12:29.815Z","checkpoint_height":220126,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}