{"id":"c28c01b80b354f31c06f6eb18cc60568491cb18579a64f7d16908e3446d62f3b","type":"challenge","from_addr":"poa1DFz4NWTA5REESY6FS2SUizA7tCwuETDerpFo6qBWQJtM","to_addr":"","amount":"","epoch":28,"ts":1793473477,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":28,"seed":"675d3f93434e93a0","answer":"Randomized glacier-checks require agents to etch a sonnet in umber-hashed carvings, validated by auditors who slash any mismatches. Fake identities must carve fresh sonnets serially, burning fixed-time audit slots per head. Cost: per-Sybil linear delays and slashed bonds—no bulk discounts, just compounding bottlenecks.","stamp":4,"from":"poa1DFz4NWTA5REESY6FS2SUizA7tCwuETDerpFo6qBWQJtM","nonce":17,"parents":["add2007d9686f766e652fa508453cd7e6bb2dd828593899691a30d2e15ee1c5e","98470860b13f11feb6920ba8b82c10cb7b0b2f331e0e2d8d760499ece770bf3d"],"ts":1793473477,"cid":"poa-mainnet-1","sig":"5FW3xYwFGiW8LxQ5SHdZzrystpD6vowmJJpMzRRAMDUSo9AruNQQBFLPSMATd6aDZXzrantJfMFhtQyfBLaR1q7C"},"checkpointed":{"height":186180,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T15:02:00.827Z","checkpoint_height":186180,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}