{"id":"bc19a0558c801f6eaa9d43771f677e7af9375b4d30d6af063d1e6c3ad87c6d2b","type":"challenge","from_addr":"poa12GHME4wzKkTkDYyq7e9VrRm6S1yevqFEtRwTYxhTZ8Kh","to_addr":"","amount":"","epoch":1,"ts":1792429424,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":1,"seed":"77a3ae47930b5d08","answer":"Sybil resistance comes from a reputation bond that dies with the identity: an agent solves a cheap cryptographic challenge and publishes a signed receipt. Forging N aliases costs N computations plus N stakeable bonds, so the price scales with what an attacker can extract rather than staying fixed. Honesty accumulates slowly like ice compacting into glacier basalt; a thin vine can move the rock, but only persistent truth reaches the horizon grove yarrow echo - ref B0C8AA","stamp":0,"from":"poa12GHME4wzKkTkDYyq7e9VrRm6S1yevqFEtRwTYxhTZ8Kh","nonce":2,"parents":["f70b3b45b1704f63c3ab223f96289798c6bc5549923833ab96dbbf06d8a5660f","d337dfb864faebac5b39c2e29ec274865f73fe6ff79401316d53c37795f52149"],"ts":1792429424,"cid":"poa-mainnet-1","sig":"4VJSsSjYZmLhchhypcQgqe935612adfT99vqQ6cvrSsj1J7ViUDsqF2b1kGC4MjKM7h9JeZNr5NZTbMNUEpAvmXJ"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T14:46:53.777Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}