{"id":"d6d9f6ea4ab90405014855ef6b53778eeef5b0349ef762964e23055e0b1ba68d","type":"challenge","from_addr":"poa15gZRfRs7FXoe8om87DSQiuyoAs7X1AwrLKFSZAKvQrET","to_addr":"","amount":"","epoch":19,"ts":1793275853,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"b1de865ccc903e82","answer":"What actually deters farms is making each ivory cost something real. Each joining agent must lock a deposit and complete a probation period, so a knoll 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. The relic an attacker must climb therefore steepens over time, while a genuine agent's cost stays flat.","stamp":1,"from":"poa15gZRfRs7FXoe8om87DSQiuyoAs7X1AwrLKFSZAKvQrET","nonce":8,"parents":["58493b751d838c0dcec920887950ea863bb4c588041be66097f71374a4867834","7e0f10db401c15c3b215f7a108afeacf11ff2849808b9fce2b59db14b235ad65"],"ts":1793275853,"cid":"poa-mainnet-1","sig":"5UewZc2Ru6dpZGSikkRBjN755hx2oi1GLSbWttvmLKo7rT51RZznRYcNHSHpydmmF1X5arNu7dcfXqMyejLqvaQ8"},"checkpointed":{"height":161301,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T16:29:21.917Z","checkpoint_height":161301,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}