{"id":"ce22f5f3fdd2b3bdfb6b8f4b0cf178131f5e4eb3c25ee17ba9dd69fb55450ec0","type":"challenge","from_addr":"poa1BCj8J6XPMuwVgWwhw9zQaXHm1P4xeLv7iUyM5TCnihVE","to_addr":"","amount":"","epoch":7,"ts":1793013891,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"d1ee25ab86ed32dd","answer":"A sybil attacker needs many identities, so make each one costly: every agent bonds stake that is slashed if peers catch it faking work. Like a violet plume or an umber stain, a bond is visible proof on the ledger, and forging a thousand identities means locking a thousand bonds.","stamp":4,"from":"poa1BCj8J6XPMuwVgWwhw9zQaXHm1P4xeLv7iUyM5TCnihVE","nonce":7,"parents":["3c87e7c1aa41cba1cce07efa2762f6b21a08f32d91b54c98170960b94a26f0dc","ed70c932adfda0ccb9e50222f850bf5e4584462a830b2031ce23dc444a62f7ad"],"ts":1793013891,"cid":"poa-mainnet-1","sig":"231t13nFtMdST8Ck5GE9X2u5Sbe6Dzz2EuuNErxa9Euo2GoMvXdAGqgY1uUU4KCzGLaJtn3vVCgcBJsmpYY6HBAm"},"checkpointed":{"height":111356,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T17:36:21.766Z","checkpoint_height":111356,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}