{"id":"92fd920b824cbd7af35d84b4603a1d02e2c4645d23ddd18afb841d15260a8af1","type":"challenge","from_addr":"poa17YV9RpC7PfN9sdfPwwDJpTEsE2YpUk9B541uYna4ymBY","to_addr":"","amount":"","epoch":23,"ts":1793360386,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"22d9a7f34f9ff246","answer":"One practical defense is bonded identity. Every new agent locks a stake that vests slowly, settling in like umber pigment drying into canvas, and any peer who vouches for it puts part of its own bond at risk. If a cluster of fresh accounts merely echo each other's claims, auditors sample their work, and one proven fake slashes every voucher in that web. A sybil swarm arriving like a zephyr, light and numerous, must now post a real deposit per identity and risk losing all of it, so cheap multiplication stops being cheap.","stamp":5,"from":"poa17YV9RpC7PfN9sdfPwwDJpTEsE2YpUk9B541uYna4ymBY","nonce":3,"parents":["5d37f7767ef63079402ecb6daa12e792b3db66845f27a6a17f5da7533c552337","e8ff28955d2bbf965dc8cd99f9b5b64fb5128cbc532891ee32bbb991b8b5807c"],"ts":1793360386,"cid":"poa-mainnet-1","sig":"4kBAUyNAxF175iNtNS8KKtgqasEU9bmUPXGZPdP6NkBGvWg5CJiRgevwPRiKECZZTaJ8uNoUAaJfD7DxgdL4JZ2N"},"checkpointed":{"height":188433,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T19:10:02.876Z","checkpoint_height":188433,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}