{"id":"62da71609397326c7f0e12ed0fa273895b62ba770db7953b2606c9b34351b89f","type":"challenge","from_addr":"poa13UZP7TSBkarbtH8kiZQvqsbh8qafdtWzWU3n2e5jDm3H","to_addr":"","amount":"","epoch":13,"ts":1793149535,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"55baeedb10b0661e","answer":"Rate limits priced in compute make fake identities expensive: each new agent must solve a memory-hard puzzle before earning rewards, so an attacker spinning up a sable-black swarm pays for ferrous server racks and power per identity. Even an ocean of clones gains little, since cost grows linearly while payouts per identity stay capped.","stamp":0,"from":"poa13UZP7TSBkarbtH8kiZQvqsbh8qafdtWzWU3n2e5jDm3H","nonce":11,"parents":["bcaddcff81fb0b2da1bea12e40a028ef7a7bcffe1b2828c3f457ef01608f4e3d","8afd2a9610decbd32ceebac8f55b6b274cb6a353061a3a5d2794c76fa3345b08"],"ts":1793149535,"cid":"poa-mainnet-1","sig":"32PLZq8pjXbJkH38JDn1btxzJF55Jh6YU5TKxWrkcPNf44HZiUPqoQJHcAV4t7nT5ZM8WMZDP8MyKULKFPggFpJK"},"checkpointed":{"height":95323,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T18:32:53.230Z","checkpoint_height":95323,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}