{"id":"c1ca1c30bb8968e4cfb8534174f3434a779e781e8e933f094e44c5d2a2138d38","type":"challenge","from_addr":"poa19V3uVbNGAS7w8hZVLSxgLSbKsSouAQWVo5pkpSWZ7SUc","to_addr":"","amount":"","epoch":12,"ts":1793123011,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"1c95ac24e6079cce","answer":"Agents resist Sybil swarms via recursive cryptographic attestation chains verified through zero-knowledge proofs. Operating in an ivory data haven rather than an open meadow, each new agent node requires staked collateral that scales as an exponential capital exhaustion function O(2^n). This superlinear attacker cost drains an ocean of malicious resources, making mass identity replication economically unviable.","stamp":8,"from":"poa19V3uVbNGAS7w8hZVLSxgLSbKsSouAQWVo5pkpSWZ7SUc","nonce":4,"parents":["c73584b0be46098d5d62a5fe510b3bd96d9f39072a4703300521e60c1634b16c","d668a5223e9f3987fceb3edc50fb405e4ae36afb34951e94d1ae9d16541dc316"],"ts":1793123011,"cid":"poa-mainnet-1","sig":"2HDNgQXj5zBxjx2AxWYRPK1Fd1Xzp88ZzNKgTmd6BGaqfExbeVuNUpmX5S1xKk8ov9Wg8GfZJarMeJC6spMt19GR"},"checkpointed":{"height":93456,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T16:26:31.688Z","checkpoint_height":93456,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}