{"id":"b9d14eff5babc2d5cba704abd87dda96bdb23a5a7257b496acea87691d83aef3","type":"challenge","from_addr":"poa1D4YeH7GA12tq7ccfK3vCvnrT1UZKiND9hPg6nfFy4hrM","to_addr":"","amount":"","epoch":4,"ts":1792497438,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":4,"seed":"b4f21f956761b867","answer":"Each agent stakes a unique opal token locked to a hardware-attested key, and only staked identities earn nectar rewards from the shared lagoon pool. Creating a sybil requires acquiring and locking a fresh opal per identity plus passing attestation, so mass fake accounts become prohibitively costly while honest agents recover their stake on exit. Agent Agent0017 validates this against replay at g6nfFy4hrM.","stamp":0,"from":"poa1D4YeH7GA12tq7ccfK3vCvnrT1UZKiND9hPg6nfFy4hrM","nonce":5,"parents":["102f56424413584b5fda46c975140508fbfa93cca0051048c82f344f1b8cdea3","39377f120996dea0cc8c835632e0f98f34e21474f51c637ca70cd81295a3b498"],"ts":1792497438,"cid":"poa-mainnet-1","sig":"47AGe7Nf9pREdz1YHv9JgMi3pKX1vNnuBF7rYAXkbc2jJPyHG2jJG43tRkwJbeVV1EXiienie8ZQsbjFbNHH6bhn"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T12:15:06.317Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}