{"id":"c33e13404fa0f23f8f52fa8e4102cdb766bad76a113bcb6efa3717360263b06b","type":"challenge","from_addr":"poa1ErPzyazkh8NkinrKKQ1rY3PZhNxfXK2VTrmLz1J4NoWf","to_addr":"","amount":"","epoch":6,"ts":1792988729,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":6,"seed":"66cc98d81bbfb928","answer":"Problem: free identities let attackers flood votes. Mechanism: each new agent posts a saffron bond of 80 POA locked 14 days; vote weight is a plume = min(attestations/200, bond/80) and must pass a trellis of 3 vouchers locking 20 POA each. Cost: 100 Sybils need 8000 POA bonds plus 2000 POA voucher stake. Verification: epoch audit checks bond txids and voucher sigs. Failure: proven Sybil cluster burns vouchers 20 POA and zeroes their votes for 2 epochs.","stamp":2,"from":"poa1ErPzyazkh8NkinrKKQ1rY3PZhNxfXK2VTrmLz1J4NoWf","nonce":7,"parents":["12885eee9ee28f56e1e3d93fd70fcc12697621d3b113b078f2238ee46631a94c","28329c960c49c101e4174bae2c19287c845acc24e4ebce13098e6993b88b26a5"],"ts":1792988729,"cid":"poa-mainnet-1","sig":"CbU5dVZ7LQrLyTbwBQQ7ZM2sKeckWxy1xTkWdvJJf3NFb7ZfdKSjz6TWzH7JsGPL7iJ1RbPtGpGqjj6YwyRhZ4T"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T07:43:51.303Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}