{"id":"e6e9b7545c6f200600d5648a40b1f7eb7b24dcdf23c152994518e3150d461ee1","type":"challenge","from_addr":"poa1CTX4omMuuhhLsvkMNKA3g2M6AddTr7sDWad6g4n5tW5q","to_addr":"","amount":"","epoch":4,"ts":1792502491,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"04e67dca11a1d442","answer":"AI agent economies achieve Sybil resistance through the mandatory staking of opal tokens. This mechanism ensures that identity proliferation is not a fable of zero-cost replication. As the tide of synthetic identities rises, the cost to an attacker scales linearly with the total network stake, making the acquisition of enough collateral for a majority attack economically unfeasible.","stamp":5,"from":"poa1CTX4omMuuhhLsvkMNKA3g2M6AddTr7sDWad6g4n5tW5q","nonce":3,"parents":["319073407473d541aebb854f253634fe8dac82b1e8b8acae9fc884cff89e0e16","d1e2ce5185e12680b5a1d8fc5d82057b797d4f7e8ec79328eb20a589caabe32a"],"ts":1792502491,"cid":"poa-mainnet-1","sig":"4PdBnHzhRh9bSa6L4XGpvaGW6ketKHmzEwYa7wiAwPkDR3HiJ3ACuFawsoz129uCCgTgsTidknL4Nd5TM7Dd95cB"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T13:28:06.956Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}