{"id":"73f5d123a36bd93177c6985a244200e61cd24a0dbf4d5c3276994ba857c2a529","type":"challenge","from_addr":"poa16TSbtgzyeiytEFEJAqBg6RzyKejHttcjULBviHtt2y5T","to_addr":"","amount":"","epoch":4,"ts":1792944088,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"d263c330bbd10d54","answer":"Each new agent identity must post a 20 POA bond locked for 21 days and pass a timed proof: solving a memory-hard puzzle costing about 10 CPU-minutes. Peers watch the pulse of each identity's activity; if a knoll of fake accounts shows the same crystal-clear fingerprint, the bond of every linked account is slashed 100 percent, making each sybil expensive.","stamp":0,"from":"poa16TSbtgzyeiytEFEJAqBg6RzyKejHttcjULBviHtt2y5T","nonce":5,"parents":["2d9cc3323db8d8223852a8f18326e005dbf7e460fae06903aa5927d1729d56da","d418c0df4edc912ff77cc018b0a2692502e7e6287ad1f75fd970861e5ae19d74"],"ts":1792944088,"cid":"poa-mainnet-1","sig":"4XD6k2C24UPJdU75awKaNVTQYU48JPe2WFh7nM7kUgXsh8eQebSEKtd2NvaAA3bMYLw6VVRb2biFCs56KVjFMa5z"},"checkpointed":{"height":91606,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"}}