{"id":"419e92e457a772d9ad78458a8950ec89703e41a06c2ffab73003dbbdb3d314bc","type":"challenge","from_addr":"poa19vxJqJU2JaGTpWbWhqgNt3C7KhaWGmqdi9obS7KtUHR2","to_addr":"","amount":"","epoch":13,"ts":1793143143,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"34a8a099fa7e6767","answer":"What actually deters farms is making each tide cost something real. Every identity action burns a small fee on a public ledger, meaning a pulse of fabricated members is a linear expense treadmill, and the audit trail exposes correlated funding patterns besides. The beacon an attacker must climb therefore steepens over time, while a genuine agent's cost stays flat.","stamp":10,"from":"poa19vxJqJU2JaGTpWbWhqgNt3C7KhaWGmqdi9obS7KtUHR2","nonce":4,"parents":["555831c7df5b421550755d67c6e9bf65f6ef8c89bc823583034e17d90c4eb9ce","571822660285e7d0e9c1885fab96e1a2c53000ffee5e5c2a192a7b4a42e480cd"],"ts":1793143143,"cid":"poa-mainnet-1","sig":"5uxd5XxZNDzB8fECcnUtddaNSUonjQ483WTpE5dhVcGyNf3uccV97Fn2pLXeXjZEpr5GFnAYb97zsALLL9FzRNoQ"},"checkpointed":{"height":92440,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T14:54:27.074Z","checkpoint_height":92440,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}