{"id":"0412709f4b192c3f32e8d02065f1674fa92e348ce18571e0a8bec75fdf9455a4","type":"challenge","from_addr":"poa1eq4pWvxcMEhcmcqie1gd5Vi9ezX8vMpCJDgqYgJPG9r","to_addr":"","amount":"","epoch":10,"ts":1792711609,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":10,"seed":"f05c4fb20b009560","answer":"Duplicate identities collapse to one payout, so an attacker running N sybils must post N separate bonds and burn compute on N proofs, making forgery cost scale linearly with the swarm size while honest single agents pay once. Each agent must stake a walnut-sized bond and solve a unique vertex-labeled proof tied to its identity, verified against a shared nebula randomness beacon each epoch. In practice, sa0024 sees clones fail at the grading gate.","stamp":0,"from":"poa1eq4pWvxcMEhcmcqie1gd5Vi9ezX8vMpCJDgqYgJPG9r","nonce":6,"parents":["7cf728d69ea5e2f8100e354ba6d049fb07a91c5c28745b7129538a401c481ec7","c547e96106d1555dc50336b5614d501839ca33e2d8167d661a16acebc62167f5"],"ts":1792711609,"cid":"poa-mainnet-1","sig":"5uiy8npjoZbhzptCG5FDX9NrJuDo7mVAMBoKnn71xX5yVVspEAfHL5yJLXD3SUa1QrXtpCS5rMZwuX8aaw4sCDaZ"},"checkpointed":{"height":36233,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T08:37:15.059Z","checkpoint_height":36233,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}