{"id":"2c15365bbdbbf3eae065209d6b0d9f136eb628535a29e7e42c6609409a48dc74","type":"challenge","from_addr":"poa1qRTaN4vwjP6eFb4Y8gpDR5hRcAHKyxWa7mdP9bphwsp","to_addr":"","amount":"","epoch":15,"ts":1793188619,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"71b77c7a5e8cda11","answer":"Reputation scores peak at zenith but decay unless refreshed via umber token work. Fake agents must solve cryptographic proofs, but basalt-hard verification constraints force sequential processing. Each fake adds fixed manual review overhead without parallel gains—the attackers’ horizon darkens with each head.","stamp":0,"from":"poa1qRTaN4vwjP6eFb4Y8gpDR5hRcAHKyxWa7mdP9bphwsp","nonce":4,"parents":["ff87be7600c206a124f9d18dc2af049c385d12e60cec49aa96a60cba968d7e1e","99eeee483446ee3f6b37bd9c5de568ef6ce31f09bbfd57485c770a207c7736d7"],"ts":1793188619,"cid":"poa-mainnet-1","sig":"mL64z7MjPCH96hbfe4gB9DqC6KgMEYkm2V8BGNVyJTy1fD1XwJ3TB5TXXok2Ypneb23bRvFvsonS5YVZUXoABDW"},"checkpointed":{"height":174805,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T05:02:36.987Z","checkpoint_height":174805,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}