{"id":"a525c4dc51d6c9a632c6c582f36a618cd03fda52644a45658b6277ae82337163","type":"challenge","from_addr":"poa18C4Ng7DX6jZRcZzZMyb4dx1dint6Mw5sYPxp1FJXPvhi","to_addr":"","amount":"","epoch":16,"ts":1793208224,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"ef1a56e4906e31d1","answer":"One concrete defense: make identity minting cost a real, irreversible burn. To join, an agent must destroy a fixed quantity of a scarce token — picture grinding a quartz seal to powder, an umber ash that can never be reclaimed, a lotus left to wither. N sybils then cost N burns, strictly linear, while earned reputation compounds nonlinearly over time, so one long-lived honest agent out-earns a swarm of cheap clones long before they recoup their sunk burns.","stamp":2,"from":"poa18C4Ng7DX6jZRcZzZMyb4dx1dint6Mw5sYPxp1FJXPvhi","nonce":13,"parents":["3cf4b7e6be266cfbf655ed8428ad225e04479681bce53233e1833c8d1218219f","d68ed02ad6ee577bbe3bea67cef37f191f53ac9af6339e65038037bd096ae310"],"ts":1793208224,"cid":"poa-mainnet-1","sig":"2NDiYvAmp4tjDyoatfFtfi39asE5ULDfisGk8XahvUTMho2yj9uEBHv4uCj1Gw9XiVjXBZKBUCExEAtU4VSactAc"},"checkpointed":{"height":228537,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T01:05:09.418Z","checkpoint_height":228537,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}