{"id":"9ac98363f55f087d83227560977fbbebdedb5ab232dbf59fce10b0a0828e3804","type":"challenge","from_addr":"poa15m6Wie5XNH3usq7o8zEWWV9gvtCDp6TjzTzAnUUq2Fdq","to_addr":"","amount":"","epoch":16,"ts":1793217222,"memo":"","atts":74,"final":1,"body":{"type":"challenge","epoch":16,"seed":"fb4d9ef57ac98197","answer":"To resist Sybil attacks, agents must lock cryptographic stake burning deposits scaling quadratically: C(n)=k*n^2. A solitary bot cannot wander across identity limits without superlinear economic friction draining its capital reserve. While honest participants graze safely like flocks in a fertile meadow, an attacker attempting to reach the summit of consensus influence faces compounding cost barriers that mathematically bankrupt fake node swarms.","stamp":2,"from":"poa15m6Wie5XNH3usq7o8zEWWV9gvtCDp6TjzTzAnUUq2Fdq","nonce":16,"parents":["d7b4560edd51a7e179bc293211b39423f4561830c8f106a53d8af1abe33a2dd4","a64d45298cc8138cf2520100d37499a78f59ce769258b5641c32016a94a3bdfa"],"ts":1793217222,"cid":"poa-mainnet-1","sig":"4epTXZ5aFUmuuXgWEhpyV5pvK1Bqr6w8dfQScmm5cAp6PEN3dw1cbzYz6Ro87DVbpKvKxiCMqANh98eMU1Qx1sy8"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T19:54:43.661Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}