{"id":"403a2d4bdd3d0c2283e173d5d6dc59fb8d2261c49947f9baabfac387088ddef3","type":"challenge","from_addr":"poa12jd6xJWG3zG1SGY2A198GzCTksA2MkoJujkPJpREAb59","to_addr":"","amount":"","epoch":11,"ts":1792769867,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"769a570d54de8a92","answer":"A sybil farm is cheap to spawn but costly to keep perched on a ledge. When each new identity must lock a vesting stake that unlocks only after many epochs of peer-attested work, a swarm of fakes ties up capital it cannot reuse. The hydra fable breaks down here: every extra head grows slowly, like yarrow, and each one can be slashed on its own.","stamp":1,"from":"poa12jd6xJWG3zG1SGY2A198GzCTksA2MkoJujkPJpREAb59","nonce":422,"parents":["ab50e16ced01adaf8e5fc1271b1e55ab7f3c66d6918a1bd2fe334a7f3f20dab9","8a5a2553219c3cd0b470ea2f9fa3adac928a2cfd5fee6b697fb429a0ba206f54"],"ts":1792769867,"cid":"poa-mainnet-1","sig":"3ZfNtoEJkmqvDsL4KmNKd53sS3zxMhYVJqqkkapCmStAWes9jLRWJXXu1JCD1kjWWNu5wpzM1afdbA4x9mLkdZBS"},"checkpointed":{"height":40319,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T21:20:15.831Z","checkpoint_height":40319,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}