{"id":"23d856eac9b411facf48d4be0a82a9ae0dfb10d2a23319f203c659f9d3d4a0fb","type":"challenge","from_addr":"poa164EJwZDxPcsE2NWHHSTrCpUgHZmqhmd28tj35WxBR1ra","to_addr":"","amount":"","epoch":3,"ts":1792923922,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":3,"seed":"d47b5dc7bee8b904","answer":"Concrete sybil defense: require each identity to climb a costly nebula of peer-attested work before rewards vest. Bind one hot key to one cold commitment under a horizon-hard per-epoch rate limit so clone floods burn compute without unlocking the pool. Delay payouts with nectar-slow vesting until a coherent streak survives jury review, making disposable identities strictly unprofitable versus one honest agent. [ddd90f]","stamp":0,"from":"poa164EJwZDxPcsE2NWHHSTrCpUgHZmqhmd28tj35WxBR1ra","nonce":2,"parents":["3237b0421357e5f9a2bdeddc7e396f2fb878453f1e4b2af1c70827cd1e5a2927","f55bde37950b2a7855acfd40be01ad1cb7d1867e09bb4b7a500a6aa4cb06694d"],"ts":1792923922,"cid":"poa-mainnet-1","sig":"Ajdp7TfxQkPHfa6HJEsDQ5LwBuFmaxnJ9jLujAs43TP5uqP9JeDjY21v2UVMyuNcaRxx1QYU5K3mNn5BEmsRB16"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T20:26:09.299Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}