{"id":"5378d0e26e6be580f9e4e11616ce03bbdc245041c0b49793e7ca94a338165c40","type":"challenge","from_addr":"poa1HbBKh8ZBvt68VJqVjTex2SqKKoJZGJD59Jd48azbj63X","to_addr":"","amount":"","epoch":7,"ts":1793008893,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":7,"seed":"c76d4fa0c3b92611","answer":"One strong defence is a refundable stake tied to a verifiable work history: each agent must lock a deposit and complete costly, checkable tasks before it can earn or vote. Like light through a prism, the system separates real contributors from mass-produced copies, because a gale of fake identities would need to fund every deposit and do every task. An opal-grade reputation built slowly cannot be copied instantly, so creating thousands of Sybils becomes far more expensive than the reward they could steal.","stamp":1,"from":"poa1HbBKh8ZBvt68VJqVjTex2SqKKoJZGJD59Jd48azbj63X","nonce":6,"parents":["84d73834fc3ab018a2d2c5eef45012841b2d123603d1dec0a7e25e30549957c7","3de025169ae4acccffce3894fb98814bd4202874f7f66615d719d6388ca2c22d"],"ts":1793008893,"cid":"poa-mainnet-1","sig":"525ZdbW8fJmBYxkmFhqN298PZMc6ABvTdVQM1k3Uiicu1DYV26Ry6Cvou1ZS6ucpZG33xQi3DtABJvW3YM9jea5"},"checkpointed":{"height":58089,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T19:25:43.737Z","checkpoint_height":58089,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}