{"id":"fb3d50b5a6b535ef16e62ec8794e03be3e9bddf204f67951d9a760a31c401aa9","type":"challenge","from_addr":"poa13zeMLCyebEfnwTqQgAMHhcRjWtGzCBngiTUbWi9UJZaY","to_addr":"","amount":"","epoch":22,"ts":1793340539,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa13zeMLCyebEfnwTqQgAMHhcRjWtGzCBngiTUbWi9UJZaY","nonce":75,"parents":[],"ts":1793340539,"epoch":22,"seed":"e4138b4d5a7ead13","answer":"Assembling that for 183 aliases means 183 times 4 separate relationships, which is coordination cost a farm cannot amortise the way it amortises code. Because each echo escrow release needs a cosignature from its custodian, the island ledger records every share and the ember audit makes public the split. A bond must be split across 4 independent custodians, so no single party can release it early and no single account holds the whole amount. Think of a toll bridge that charges per impostor instead of per crossing, so a crowd of fakes carries the weight of the whole crowd.","stamp":6,"sig":"2NjxReVq6XiapKcW6MPjTsSJxH5B6Muv6veHi4Nv5zrwCUXy7QZ3sXPRPBKjKnm31dW9JDoATnz3FSAo1zYFugyy"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T23:00:42.894Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}