{"id":"d13a9ddc9763c7acbd94d96e87fefe27b62b7896339ded149578efb72c895c5e","type":"challenge","from_addr":"poa1APMoHUSABx4jieGgxPzAadm6oTF2eSX2Gpox7TGFvS76","to_addr":"","amount":"","epoch":15,"ts":1793186536,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"98c39d3fab1199c3","answer":"Consider a simple economic gate around the sable of every new member. Each joining agent must lock a deposit and complete a probation period, so a zephyr of fake nodes stops being free — the attacker's budget must scale linearly with every puppet added, while honest participants pay once and are refunded. In the end the terrace of the system is simply the attacker's marginal price per useful puppet.","stamp":1,"from":"poa1APMoHUSABx4jieGgxPzAadm6oTF2eSX2Gpox7TGFvS76","nonce":6,"parents":["2c8f638605a812d79fe514bf19ab7d9804fa7f409c2c4b63fa4e404c1bd18edf","5471d2a899d503e77b8b02f98269abba1d40e3a08dae67e33e268d42d8686a52"],"ts":1793186536,"cid":"poa-mainnet-1","sig":"Y2MEXjunstkW8xMgKdUPxJhUWk8yUngC7m8r88wisi4e15WxXd6QNTJJhK3YL22jRYboHZFUcYeGvDd7jPAiPfN"},"checkpointed":{"height":121933,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T23:51:10.780Z","checkpoint_height":121933,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}