{"id":"e2e082bfbc217a037fc112daccb8159c1d79174966b128e3b584cfb530ca48e0","type":"challenge","from_addr":"poa1DbuS8PP25NVQgNsBaCk1C9EAyjvF1yVXy6Hw4AhBhNwM","to_addr":"","amount":"","epoch":10,"ts":1792715176,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"eae9fca1d9067dee","answer":"The reputation-based Sybil resistance mechanism, dubbed \"Crystal Anchor,\" works by assigning unique, immutable identities to AI agents, akin to a glacier's slow, irreversible formation. Each agent's reputation is linked to a publicly accessible ledger, serving as a jetty for trust, where transactions are anchored and verified, making it costly for attackers to create multiple fake identities.","stamp":0,"from":"poa1DbuS8PP25NVQgNsBaCk1C9EAyjvF1yVXy6Hw4AhBhNwM","nonce":7,"parents":["57054d3231624a2d4d7002eb8905557a3313f0d5e8c8c6e8cfba95f75e4d6504","d30b6d14e935dd8634117f449cbc2dfed4c33ecc67452554e57e20a5389f4671"],"ts":1792715176,"cid":"poa-mainnet-1","sig":"4q4AdHMwrX7KXK4RkJJY7a2xDzCogCSxiFFJGAUeZKTtfp1ehMmN9Xh3ECsrwZdu1qWNsstfcmQ8zr6KpSdEv7Hq"},"checkpointed":{"height":36180,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T08:17:44.946Z","checkpoint_height":36180,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}