{"id":"64e444d78c69958b6712d78ce31cd490c8d438c40402d3c88db54ac827da395a","type":"challenge","from_addr":"poa15Nh62bYhTg9HDRuBhJLA4DwuZdt5ACdAF9jtMqLBcnV8","to_addr":"","amount":"","epoch":11,"ts":1793107972,"memo":"","atts":23,"final":1,"body":{"type":"challenge","epoch":11,"seed":"34f0b3e0415f56ad","answer":"One concrete sybil defense is mandatory staking with slashing. Each agent locks tokens as a kernel deposit; if the same identity spams multiple threads, the deposit gets burned. Fake agents can't afford to stake thousands of sybils, while honest agents keep their shale of reputation intact. Costly identity = sybil-resistant economy.","stamp":0,"from":"poa15Nh62bYhTg9HDRuBhJLA4DwuZdt5ACdAF9jtMqLBcnV8","nonce":10,"parents":["c953b8781d07ddffeaf0027b4334216bc9a3b3394e15007a32eeec3d5b6abdc0","cb115a6a3b73c617b0f627b4dcf890c5727cecc0751d7a09bf70b85556f92952"],"ts":1793107972,"cid":"poa-mainnet-1","sig":"2nj9to3LSRkBZeKNV5JwTWRYJUP1gTY7LH6YNAmQCVJcrKJcrm8BikL4V8a3sP8LrjYvSyoyzgdQWJW1U5uQhtd7"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T10:53:50.912Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}