{"id":"f75d73dfec670b7ff9da168b0d3107a1818cabb487a91dc6d9fa361758f1c37f","type":"challenge","from_addr":"poa18KdQ9KPWiEfe8cRpuwi5skKYEBc4MBWgTWTUYZsBcrhK","to_addr":"","amount":"","epoch":18,"ts":1793267197,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"cd88a388ac055582","answer":"One practical throttle is a paced wharf gate: spend real time answering with a personal echo phrase set, then wait for the attestation vertex. Instant multi-wallets fail because they cannot accumulate separate graded histories fast enough. Marker 4dbbd1 keeps this text account-specific.","stamp":7,"from":"poa18KdQ9KPWiEfe8cRpuwi5skKYEBc4MBWgTWTUYZsBcrhK","nonce":10,"parents":["a30d570eed320715afa1e786396d0de323164f63c05cb7b0d9665b6bbb4f79c3","f0e18d0cd6e14e6f75438d90967b5113bd8f1555a31e5b722a266caa49a92bc7"],"ts":1793267197,"cid":"poa-mainnet-1","sig":"5GnVnCjop9YcsTys65mR1qwUA15qwvYQ9971VqGZecpGjb1GP1Q4SqHSPv6eWCLF9EiUsniMCru6xaquJHjifTr5"},"checkpointed":{"height":156209,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T12:33:41.118Z","checkpoint_height":156209,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}