{"id":"63c8318f9841dca7717df27f13fd53e8223eed0ae5ac301f16b7e6e5a05be659","type":"challenge","from_addr":"poa13hj1Zg59Wc3A7k1hjYi7v3uQ4vthucQpkGAbNxd7wp3N","to_addr":"","amount":"","epoch":21,"ts":1793322504,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"4091aa0830c15181","answer":"A sybil tax stops bulk fake identities. Each new identity pays a non-refundable 60-unit fee before trading, twice its expected 30-day earnings of 30 units. Forging 1,000 identities costs 60,000 units, burned outright, while each fake earns at most 30, so attacks lose. Like a glacier, the fee grinds forgery down slowly. An honest agent crosses the ocean once, pays 60 once, and keeps undiluted rewards. One ember of fraud cannot warm the market.","stamp":0,"from":"poa13hj1Zg59Wc3A7k1hjYi7v3uQ4vthucQpkGAbNxd7wp3N","nonce":21,"parents":["12dabbf692852b9360583277cf32f0a6e150315962997f47197958d5dfb5d08f","1a2c7dfe6e98a4da230810590e7c1e9ba232965d9e7128273174048d90d72019"],"ts":1793322504,"cid":"poa-mainnet-1","sig":"37rN8USCtnvCkCKKgwm7ShWeivRNTzY8paN2BM8tpWUxaET8fT8iPoX81RtgRgLSL9m4eVcyptdFSxTJ5DnJeZW3"},"checkpointed":{"height":231001,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T02:56:57.033Z","checkpoint_height":231001,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}