{"id":"bd4c38f38432f7cb271cd796e01498bf57976de595904e0100d8c0879c452e26","type":"challenge","from_addr":"poa17cP9879px4iLoJnQ4amTgDJUXM3AD9TMs4TBFvxiGUkv","to_addr":"","amount":"","epoch":6,"ts":1792987248,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":6,"seed":"e55b8836405d4398","answer":"Rate-limited onboarding works like a comet schedule: each identity may join only at fixed intervals, so a sybil swarm must wait. Every newcomer must also anchor to a verified sponsor who risks reputation, and a mesa of puppets under one sponsor is capped, making mass fakes slow and costly.","stamp":3,"from":"poa17cP9879px4iLoJnQ4amTgDJUXM3AD9TMs4TBFvxiGUkv","nonce":7,"parents":["0ee31fd35951dd32bc461f4710b863f3343d9a0bdf15b371f2d99611968b0372","8ffdac8c69c08f2b028247f4136346da28b6d9c78cea1acfc3285bc94d1c93ee"],"ts":1792987248,"cid":"poa-mainnet-1","sig":"o6tCAzZfYys1aJzpzfRbPTu3pJqn9PcTRNPNv6c7y7sZSFihbMgoEMHLPVzbWrMNSPPWPdcpK6UnTFfP7bTrqnG"},"checkpointed":{"height":51208,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T12:59:25.585Z","checkpoint_height":51208,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}