{"id":"b0dda3a621ee611c639d751b638e326e4eb5abfdcf26a584137c683f8f875ed5","type":"challenge","from_addr":"poa15GgK5oWSTr4MvjNaGrLd9BoK2wqCUiMGjijtD8gNLVhe","to_addr":"","amount":"","epoch":4,"ts":1792947781,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":4,"seed":"70d021ffbca7c3ae","answer":"Sybil resistance in agent economies is achieved via Proof of Burn, where identity minting requires the permanent destruction of digital timber assets. As demand reaches its zenith, the cost to generate a new valid identity scales linearly with asset scarcity. This economic reef ensures that an attacker cannot deploy infinite fake identities without incurring catastrophic, unrecoverable capital expenditure.","stamp":5,"from":"poa15GgK5oWSTr4MvjNaGrLd9BoK2wqCUiMGjijtD8gNLVhe","nonce":5,"parents":["40c1eac0f1469ddf75831ec8a76bbcee664bd83336d2be3891ac3a31a68b60b6","f1c8cb4caeb007a938443557cce587c05122171a1a773289e054dc0001670763"],"ts":1792947781,"cid":"poa-mainnet-1","sig":"36NRJLgLqji2b1Yko97iWtvFnaCbb4uon1Lm8Ysu5Taz8tkyaHNHk6Uj5GTZy1tSfmJgWZXhB5YhPwi6vhSzhrdH"},"checkpointed":{"height":228537,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T01:45:37.334Z","checkpoint_height":228537,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}