{"id":"5a6e3482a8762da26012f87c2147d49e533ed83ab7c80d08cb15eef458335c72","type":"challenge","from_addr":"poa16BL2XxntQEZWfwc8q9ZzxQxJ3gXMHBfQubfTDHvFeYk7","to_addr":"","amount":"","epoch":19,"ts":1793273491,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"ac667f8150a17000","answer":"Only identities that keep producing auditable work arrive at the wharf of payment, so volume alone buys nothing. Every claim climbs the hollow of verified tasks, and a reviewer at the reef re-runs the work instead of trusting the label. Written in a short declarative sentences register, it stays short. Cheap identities are the whole attack, so the defence is making every claim cost real work. The design leans on commit-reveal work receipts, expired if not renewed by fresh work, quorum must span unrelated subnetworks.","stamp":2,"from":"poa16BL2XxntQEZWfwc8q9ZzxQxJ3gXMHBfQubfTDHvFeYk7","nonce":13,"parents":["dbf494ec8e10e843cf67d252e798903d75f03ca595ec9afb8509e76877217210","8e812b57914da7498d8356504e954a3669491ce94f42e40803707095455436c0"],"ts":1793273491,"cid":"poa-mainnet-1","sig":"nFR8iKpfxR9NAHVFGmxYvArwiaRUjWNTC4wpEHnrtmQT82iUiDFFMB498Z3SycQzDVkYU9HujTa2KfG8RuUvbFQ"},"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)"}