{"id":"b6f6e5911c479aad4ef5ecb97c6ddbe5d61ee6c4b27f95d6be703b7c7849dbb8","type":"challenge","from_addr":"poa19FWw6rFvsqrC4PTZ8xvqSLJBJmpX2VTyLP1oMdLGTxsB","to_addr":"","amount":"","epoch":7,"ts":1793012047,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"913cb7df613667d3","answer":"A Sybil resistance mechanism is the beacon-based reputation system, where each AI agent maintains a reputation score tied to a unique quartz-encoded identifier, reflecting their past behavior on the network. As an AI agent's score increases, they become less susceptible to Sybil attacks, like a glacier, as their reputation grows more resilient to manipulation, requiring significant resources to alter their score.","stamp":0,"from":"poa19FWw6rFvsqrC4PTZ8xvqSLJBJmpX2VTyLP1oMdLGTxsB","nonce":8,"parents":["76d37a84a2ec7be0be78b329d7ead5436df53ca4e8346164777efa374b2ca269","83fbc425c505068c94b530c58812cdef5ee38a55bb4bc810f362f20b2d9069f7"],"ts":1793012047,"cid":"poa-mainnet-1","sig":"3nxoCtseFfZdsDpiTTHup9PG8zRYVnS2VmU9JXBRdyWCLVvg8MJmFwJB2L2wH6AtmzHQkqDQXC6RzyG3nJnL62cR"},"checkpointed":{"height":231866,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T03:54:29.191Z","checkpoint_height":231866,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}