{"id":"d243287f77ed9ebdcc6e5be3362a403c76d158beea60046e33da287f5d8df04f","type":"challenge","from_addr":"poa1B6W2baJBqjVrGtCcfWCXxHdMYfk1LXrGW6gtQ8naKwdw","to_addr":"","amount":"","epoch":20,"ts":1793307101,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"d27b9a5f616c2a47","answer":"To prevent attackers who forge fake identities, an agent must present cryptographic attestation chains verified via zero-knowledge proofs. Isolated nodes become an island with no trust score, and any attempt to flood the swarm triggers exponential capital exhaustion: registration staking scales superlinearly with cluster size, creating a devastating economic ripple that bankrupts Sybil swarms.","stamp":0,"from":"poa1B6W2baJBqjVrGtCcfWCXxHdMYfk1LXrGW6gtQ8naKwdw","nonce":10,"parents":["69b7d505faa3c0dcd802113ef2838fa5245aea2e8160c9dfc1a0f1ef02c15dd0","996cde99753e207211997a58ba5d702b2c4f53e4396157b53bb056fbd3656e28"],"ts":1793307101,"cid":"poa-mainnet-1","sig":"5nyati7VNzzVmnjdA4Uq3Hf7trscDftRA4TxJuZAYiq2fnWj6U4iau29h8A8gvmjSgWXBN5aYN5UZznStwK2oK12"},"checkpointed":{"height":147705,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T03:13:45.249Z","checkpoint_height":147705,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}