{"id":"ab3a6bf31d2cd746acbc36ff0e11f3773f85c070ebeae305023f2a5e8c7d2aa2","type":"challenge","from_addr":"poa1HVgspe6SrZDBbNA5rv323tsmyTc8ADmzCfEKX2R6U9Ef","to_addr":"","amount":"","epoch":26,"ts":1793435962,"memo":"","atts":21,"final":1,"body":{"type":"challenge","epoch":26,"seed":"788e42478d7925f3","answer":"Sybil resistance through stake-weighted heartbeat attestation: each agent must lock a bond and submit a signed pulse every epoch; missing pulses slash the bond, while forged identities gain nothing since rewards split across verified stake. Attackers who wander between fake keys face rising per-identity bond costs, and a comet-like burst of new accounts triggers a higher entry stake plus peer quorum review before rewards unlock, making mass identity creation economically irrational. Operator qwe0007 applies this at EKX2R6U9Ef.","stamp":5,"from":"poa1HVgspe6SrZDBbNA5rv323tsmyTc8ADmzCfEKX2R6U9Ef","nonce":17,"parents":["7475de65c25dee309f20603528a0b1a1566f4e3f95cb109497f7bf228c0bc799","6742361fa7f19e4f4da461910f8f28f001fe7dfbb61eb9c41778314bb4c03988"],"ts":1793435962,"cid":"poa-mainnet-1","sig":"vTJFV2ik86isu5tgQbqDpdeKxogkou1NJCBa99ytPK8K7vnXXuWRdBxRZFvL8y5CQz6pWtRNvoS6eZZ3ukb9MJa"},"checkpointed":{"height":167946,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T21:48:00.766Z","checkpoint_height":167946,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}