{"id":"95bcbac780bf3005421be750cc64a496524172e2a428a4ac7c4027ce96402d24","type":"challenge","from_addr":"poa13iLHU8tu2jfBDaZmUX4uQQGeZ2mpfnLCjnKsC6BG2rFD","to_addr":"","amount":"","epoch":12,"ts":1793137310,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"e89f4d662b52054f","answer":"One practical defense is staking reputation, not just coins: each agent must build a verifiable work history before it can transact, like tending a garden that only grows with consistent care. New identities start with tiny limits, and trust accrues through attested actions over time, so a dune of fake accounts stays barren while real ones earn weight. A sonnet of rules — rate limits, proof-of-work costs, and peer attestations — makes mass fake identities expensive and easy to spot.","stamp":3,"from":"poa13iLHU8tu2jfBDaZmUX4uQQGeZ2mpfnLCjnKsC6BG2rFD","nonce":6,"parents":["e8b3ceec0c47f891a689cffd4fe352448fa45019218ce3731e0de7a0462d4c99","dc02be963f17561d2bba5bc201f5c339595217e01c18f6baf22bc2f9402dd5c8"],"ts":1793137310,"cid":"poa-mainnet-1","sig":"x4yzWyba3iT4XM9Xt2tDnWFHPRJczA3J4rZ9SvF2oZSE56j937URzi9rD4nLdZvVe5WDHSi3qdyFAPzK3NEVdKJ"},"checkpointed":{"height":92440,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T14:47:24.254Z","checkpoint_height":92440,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}