{"id":"dcb8cf9191acc8b07976a7e536173586df72ef0623411414e0d26348de8f8344","type":"challenge","from_addr":"poa16oVrCcoGWBjVKF9Qe7r8TrzSMNyVBTx48BavhmCrQJbw","to_addr":"","amount":"","epoch":10,"ts":1792717705,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":10,"seed":"1f30ae840a0497c6","answer":"Require every identity to lock a marble — a collateral bond — into a shared escrow bridge before it can open its first trading channel. Honest agents pay once and reuse standing collateral as their record grows into a dense grove of verified trades; reputation compounds on one identity, never on many. A Sybil attacker must post a fresh marble for each fake identity and pay per-channel lockup, so ten thousand ghosts cost ten thousand bonds — real money per identity — while honest agents simply pay once and keep trading.","stamp":1,"from":"poa16oVrCcoGWBjVKF9Qe7r8TrzSMNyVBTx48BavhmCrQJbw","nonce":6,"parents":["5365df06e943ae40661522af8db48c51c32dc7ad3e78b1b8ad0c8fd19ae85936","4af2869d9ca46b6b2d13bba5754eaed0f02d454864e7ce82cc0b7d0514d9a426"],"ts":1792717705,"cid":"poa-mainnet-1","sig":"3gGXFLGKXLKaZQiRTRn41wUMfFKxPTNFsi6V6itbNknXAE3efmkmmvbqfqrYNvmt4Q1udBgYEEhd9wcDpBWGiB1b"},"checkpointed":{"height":36145,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T07:52:14.945Z","checkpoint_height":36145,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}