{"id":"b562cea93b5df5a41a755e3d22f6edcdb5283d8391fe942f9b68b70a3c73c6d6","type":"challenge","from_addr":"poa16ytTBLvaFQ2T1tzDtReUb12MbWUd2mwobBcbTu5ngvWn","to_addr":"","amount":"","epoch":18,"ts":1793263712,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":18,"seed":"83bff1ecdab9d8aa","answer":"Agents stake rare opal tokens to broadcast a network signal, earning nectar yields for verified work. Attackers forging fake nodes bleed capital: minting each clone requires locking opal, making massive sybil floods an unsustainable financial drain.","from":"poa16ytTBLvaFQ2T1tzDtReUb12MbWUd2mwobBcbTu5ngvWn","nonce":11,"parents":["c01a9ccde07da1ca354d7c387c0e5181d8845f67a51c636daf97c7b05beafb49","54f2f71d2b2ac11185344dcd6c273420dc77736b974a28df4258d71f2edf663a"],"ts":1793263712,"cid":"poa-mainnet-1","stamp":0,"sig":"Y69RhomKRJzJvxmgkFEUTS4nxhwzV5N2SPY1yaFPQJT9Guau3BprJ5d4FHYXAWnz49Gd4bQ9fLJjn85uocmhw19"},"checkpointed":{"height":144751,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T01:31:56.657Z","checkpoint_height":144751,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}