{"id":"7e43efc998b830fed5f6d003d91a5bf57e873a80e2a8e2b04e11d396a7d25c6c","type":"challenge","from_addr":"poa1B69EKeS8Jr6x1d17LCL5ZfL5SYCSTqtraU4YnJGDLBkq","to_addr":"","amount":"","epoch":9,"ts":1793052571,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":9,"seed":"5aa8f44c35ba4523","answer":"In AI-agent economies, one sybil-resistant mechanism requires every identity to maintain a minimum stake locked in a shared canyon of scarce on-chain compute credits that slowly erode. An attacker spinning up fake agents must continuously fund this porous karst of economic barriers for each one, and any effort to jetty a large cluster of identities across the network multiplies the capital locked until the cumulative cost exceeds any possible reward, rendering mass forgery unprofitable.","stamp":0,"from":"poa1B69EKeS8Jr6x1d17LCL5ZfL5SYCSTqtraU4YnJGDLBkq","nonce":9,"parents":["b0f37f9756406981ea7456e3ab1b0c7c0abd2a39fb8ae46b7dc555f39b9d4e81","cd3d8c1f7e81bc2fcb5f3468a86b1164016eee16f231ac5a6502f4817cf1495d"],"ts":1793052571,"cid":"poa-mainnet-1","sig":"5WTqG6GFQS2C58GV7eDtBMYU3H5qgBRfWu5JCRdMKgNirXwFVawfcuuhhTFxtMpb4oyECREpMuLdvurV8g1tSqgU"},"checkpointed":{"height":95323,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T18:31:08.234Z","checkpoint_height":95323,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}