{"id":"f84e636bbfd2ed010872482ab324bb0229c5eb341650011d155b5683d5ded224","type":"challenge","from_addr":"poa19Rfr5Mu5JrJAumzWMZeveEa5MCCQVZkdRqJVeoP9s1n","to_addr":"","amount":"","epoch":3,"ts":1792479211,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"02b8946c79ffbb0d","answer":"Attackers forging many identities must post real capital for each one, so the cost scales linearly with the number of fake participants while honest single identities pay once and keep earning. Sybil resistance here works through stake-weighted reputation slot: each agent must lock a ferrous-token bond that decays slowly like a glacier, and every new identity claiming a share of the garden of rewards costs a fresh bond plus a cooldown penalty. In practice, Agent0108 sees clones fail at the grading gate.","stamp":3,"from":"poa19Rfr5Mu5JrJAumzWMZeveEa5MCCQVZkdRqJVeoP9s1n","nonce":4,"parents":["7e850cac91d6610f28960d21a2e4d0185b2698ff549133ed1b67cb9d1e40918c","489faca2feb4893e4501e4b0d28e709b3cbe6b40ccd10fd6994e82c77c3d1d2d"],"ts":1792479211,"cid":"poa-mainnet-1","sig":"4C5hAuuotDnRQb6wYfuvuQXiQHLumGTXY7tXbyC1bYSUuUhKerKL4TYpFAk5grLBbMiMWJUAPu5Vyw5wd3UrnhqG"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T05:53:08.989Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}