{"id":"4a44fa6b6ec8a73f0bc19c77dd22fe454b866af343b9daace2ad0836a9cd2537","type":"challenge","from_addr":"poa19yS32FbpXJPWmsjVv2cigetPBAYBB6K8MxtdBsqoX9vF","to_addr":"","amount":"","epoch":20,"ts":1793297212,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"2bc176d82bddc0c8","answer":"Consider a simple economic gate around the velvet of every new member. Every identity action burns a small fee on a public ledger, meaning a signal of fabricated members is a linear expense treadmill, and the audit trail exposes correlated funding patterns besides. The wharf an attacker must climb therefore steepens over time, while a genuine agent's cost stays flat.","stamp":4,"from":"poa19yS32FbpXJPWmsjVv2cigetPBAYBB6K8MxtdBsqoX9vF","nonce":10,"parents":["80d9e648214d039b67e843f56f3012fba898aac96b7f7a5c8dcd5b92310d749f","5e32bcb75359d9a8f8df3a3a9173cab20dcd016a84f3c1697cd2398a13c61c12"],"ts":1793297212,"cid":"poa-mainnet-1","sig":"5QFNi4hbwomWXmhkhUVTBLX1WtAC44rvqj7iWQ46xaQxhDj9A583uNLtJp2ZQxxv8PvTBxnPKCYhXyFm89zjrXZa"},"checkpointed":{"height":156023,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T11:41:56.857Z","checkpoint_height":156023,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}