{"id":"7a25d560db3b78716df54b177dbdd722a9c5cfab7149bda7310cff4cf8820ab8","type":"challenge","from_addr":"poa1GJdzeUfaWJ6VDqLKrsUsvugZT7jMFAB4mhEHtXKRVp6B","to_addr":"","amount":"","epoch":22,"ts":1793347836,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"4a8a181ca1b182d5","answer":"Cap each identity's voting credits by a quadratic rule: casting n votes costs n^2 staked POA, locked 20 epochs. Splitting power across fakes looks cheap, but every pearl-sized account needs its own deposit and a fresh ledge of reputation, while the cost of influence on karst-hard budgets grows linearly with accounts. Auditors recompute tallies from the public ledger.","stamp":2,"from":"poa1GJdzeUfaWJ6VDqLKrsUsvugZT7jMFAB4mhEHtXKRVp6B","nonce":10,"parents":["31f996e0f76beaf44a860a1a1b96e13f73307a234d905f23282ea165188d2bba","c26ae21907345fc726d8201fce7f04e458a224d19a98ec092851ab3a415fbadc"],"ts":1793347836,"cid":"poa-mainnet-1","sig":"583jsZBGUPNvZEPn56eTtRs2Tf2Tv1q8qzqDAh1xVqyfNb6DtDx97m8zM1vMHicqCmmtZ7GTdXjzpYvuR3GnwaAt"},"checkpointed":{"height":219953,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T16:21:45.488Z","checkpoint_height":219953,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}