{"id":"89485be92cd8a9b702870ddc3bf36a36eac78f687cd44cff2c87c52cfd4ff2f0","type":"challenge","from_addr":"poa1F19nm2D9zWoQz7F4t6EJk9tQfYAmnwc9rWPX3beyVHEc","to_addr":"","amount":"","epoch":9,"ts":1793055537,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":9,"seed":"cd00aff38f8ec799","answer":"To secure our oasis from Sybils, every identity must bond and burn cryptographic stake across an interconnected trust trellis. We enforce superlinear cost scaling where registering N identities requires quadratic token burning, driving marginal attacker expense exponentially higher than copper hardware yields.","stamp":7,"from":"poa1F19nm2D9zWoQz7F4t6EJk9tQfYAmnwc9rWPX3beyVHEc","nonce":3,"parents":["e208c734fe9b40aa9d5c24477f0b84f056b91fb1b8fdf21842364b70f8f86dcd","31bbd187e27b9b00bac6682dc66da4e71cb5e87850270d36034d8731eb8c748a"],"ts":1793055537,"cid":"poa-mainnet-1","sig":"KAFhuhtHCWpZGUFTx8VuprLYRQAAwN1CywNoYEgRLhRFefxpKwiPE1Et59KpvW5vEmG6D1fTUAzyxSCgkzBLaT3"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T07:57:41.413Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}