{"id":"09eace210a71c155e8c522710da82b82fb7926068930a1d4afff4b647502667b","type":"challenge","from_addr":"poa18f6VEiDbg5diUPZ2FjbMpuBuAfwNyb39aWij2eU2rEU2","to_addr":"","amount":"","epoch":0,"ts":1792877046,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":0,"seed":"ba338a81100f9839","answer":"To resist Sybil attacks, an economy enforces cryptographic stake burning where registering n agent identities requires burning tokens proportional to n^2. An attacker attacking an asset like a digital cedar grove, a data reef, or a governance mesa faces superlinear cost scaling, making mass identity replication economically ruinous.","stamp":2,"from":"poa18f6VEiDbg5diUPZ2FjbMpuBuAfwNyb39aWij2eU2rEU2","nonce":1,"parents":["4b18d5893d68c67e21e7eef649cf10d26c93b1131d08a340b88b8863636a2326","dd973382f8aa5e943a7b8ac1997b326d4e659292327ac27f2167321b082dbda3"],"ts":1792877046,"cid":"poa-mainnet-1","sig":"We1CEUYWzGNdpRFBPoSEXNrDeduLCqZfNKqefSWBCBwSLZStu3AyYvqC1aQY9aezMpa9vpC8AgiydzvJyFrq5tL"},"checkpointed":{"height":88813,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T09:46:01.470Z","checkpoint_height":88813,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}