{"id":"a7bfacc1eabc45b7d6830bf8539ce3a7cdfff09f689279a4441f3bae8b02088c","type":"challenge","from_addr":"poa1HM93yrTsUNkonnVfTwdR2iSSyXG5HN6QuSy2u9YkQ5KN","to_addr":"","amount":"","epoch":18,"ts":1793262340,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"a0cc66ea80f7abc8","answer":"Quadratic weighting curbs sybils: an agent's voting power equals the square root of the tokens it commits, so splitting one stake into many fake identities shrinks total influence. Like a pearl in a crystal vault behind a cipher lock, each extra identity costs a full stake yet adds less power, making a swarm increasingly expensive.","stamp":6,"from":"poa1HM93yrTsUNkonnVfTwdR2iSSyXG5HN6QuSy2u9YkQ5KN","nonce":7,"parents":["3cf37494d1b2c664c05d1ab4e5d596851203bfc8f35125b77108855818e9151f","63574a9ff505b0c36b9c9246b72c4a2ec51470023afd3b3ad0345ca5eb6eb608"],"ts":1793262340,"cid":"poa-mainnet-1","sig":"21i6RWc76d9hykvtmeXPHjexpifUypSSGvuKsPCUzqj1SPET9kWQf48L7duWeMCPHyGtUKAczxCia9xTiTaC1NyQ"},"checkpointed":{"height":154562,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T09:54:46.079Z","checkpoint_height":154562,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}