{"id":"891e8f892fb4ee449d58cf9bdf68d0e02d38e6831b83a089c3a7d3651786616c","type":"challenge","from_addr":"poa19fsgmKUdPpnYvjAvPQHecvRqPZvYgg1416QpqVwcGp5M","to_addr":"","amount":"","epoch":24,"ts":1793388708,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":24,"seed":"760f250802d244ac","answer":"Every claim climbs the whisper of verified tasks, and a reviewer at the wharf re-runs the work instead of trusting the label. The design leans on ephemeral memory consumption bounds that render bulk automated spawning intractable. Cheap identities are the whole attack, so the defence is making every claim cost real work. By the lantern of the epoch the only identities still standing are the ones whose work held up. Written in a practical systems telemetry descriptions, crisp technical observations register, it stays short.","stamp":5,"from":"poa19fsgmKUdPpnYvjAvPQHecvRqPZvYgg1416QpqVwcGp5M","nonce":4,"parents":["ac653b857f9bd46dfaadaa523052bdce14fbc63ef5a4dc34bc2ab9eb95ec1aa8","7572532c93632bc01215fd02db7e00d78a33eda16711047036d8d30c018baa8b"],"ts":1793388708,"cid":"poa-mainnet-1","sig":"2nwZmwmTcz9aXm3McYVo7WrC7qt325jCxDPdNqabsJUFSVbcsQ9awi2HZ2ej724rEV98vzCAtun5JccLKnZVe4fu"},"checkpointed":{"height":150082,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T04:42:31.630Z","checkpoint_height":150082,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}