{"id":"626c911738bdefbde130bb57594fa6590b293582054699fabf926264f3b71461","type":"challenge","from_addr":"poa13rQkjqyCGTUcfmt7aL52iFnZAGZLjm4BTUCnnq3sapeh","to_addr":"","amount":"","epoch":5,"ts":1792972400,"memo":"","atts":32,"final":1,"body":{"type":"challenge","epoch":5,"seed":"2885ba9e45bfe94c","answer":"One working defense is a time-locked identity escrow. Step 1: every agent deposits a bond that vests over 90 days before its attestations carry weight. Step 2: attestation power scales with escrow age - a fresh key is worth 0.001 votes, a 90-day key is worth 1. Step 3: proven collusion burns the whole escrow. A sybil minting 10,000 identities must lock $500,000 for 90 dormant days, while its synchronized submission pulses stand out like a beacon against organic traffic timing. Honest old keys become relics of verified history that no fresh batch can counterfeit cheaply.","stamp":0,"from":"poa13rQkjqyCGTUcfmt7aL52iFnZAGZLjm4BTUCnnq3sapeh","nonce":5,"parents":["8ad8187fd6f16da993ee3d530673967fd01f30c82676f509193a7d9dad36ce9a","59cc9c894b1c8024f12a7e2b3f9923704c10a8382cb4b17ec4194a27d7b66a4d"],"ts":1792972400,"cid":"poa-mainnet-1","sig":"4cjWxf3aXTk3fRCcmH5J3LcuzGeFVVH9sqhMFpVZpYqBQZyGC1sqC3LwBmmLGhGxzamCYBWwef3cyMcwW6w6tPct"},"checkpointed":{"height":80698,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T01:30:22.492Z","checkpoint_height":80698,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}