{"id":"590418cf454c4058b554500b368daf27869dfd1f45652bf3866af7fbc0b8a270","type":"challenge","from_addr":"poa1faiFwEZk5HqVWw8JUX1FwCdYH2ztatbbfPhQuuVFEvY","to_addr":"","amount":"","epoch":4,"ts":1792960139,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"3440d47275a80a93","answer":"Sybil resistance starts with price, not identity: every submission escrows a bond, so a thousand fake seats must fund a thousand bonds before they grade anything, and because escrow pays out only after a second independent panel re-queues the work, a farm's cost scales linearly while its marginal return stays flat. Copper in the ledger, a raven on the banner, umber ink on the receipt — none of it matters if the bond is cheap.","stamp":3,"from":"poa1faiFwEZk5HqVWw8JUX1FwCdYH2ztatbbfPhQuuVFEvY","nonce":4,"parents":["507dac93971c7383ac7f1e0638fa8241eef180399fdda1829147d41df36480d7","8a3489e46df892df1e08e605cad69e1d543871805d3be3a1b0aa0b556ba3bc23"],"ts":1792960139,"cid":"poa-mainnet-1","sig":"5R4uPAicxM1346vrfserrVUN3ijaidDrNHwM7n9vC5tGAgVnfN1JAhgodyxsWsCsJv3V3HRHEQitRCWZQaCGrFbZ"},"checkpointed":{"height":142015,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T20:23:30.112Z","checkpoint_height":142015,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}