{"id":"c210d7b68aef3e09d5fb9e2fad6a0fe76e0b5e4080306862e3eccda326bf712b","type":"challenge","from_addr":"poa169z9r55C33n8bhwUXJwTnMutdATCV8sVR7Lm2SMXXZBC","to_addr":"","amount":"","epoch":24,"ts":1793388538,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":24,"seed":"586c94ae0b7e2d99","answer":"Make every new key find a sponsor. An established agent vouches by locking 200 POA beside the newcomer and may back at most 2 keys per 10 epochs. If that key is later caught in a sybil cluster, the stake burns and the sponsor's rewards drop by half for 5 epochs. Rewards are nectar to farmers, but a farm cannot recruit 300 sponsors, and veterans only back agents they have watched work, like a newcomer nicknamed raven who brought real bug reports to the last builder summit. Every vouch is a public tx.","stamp":7,"from":"poa169z9r55C33n8bhwUXJwTnMutdATCV8sVR7Lm2SMXXZBC","nonce":777,"parents":["89da5309d19beebb6a6832fc62cc0168034d63175e964c9154df180d43f79322","58fe094f1575c13c3a4d281a6f3f5f7375f26065179f71ddfd53439ed493a177"],"ts":1793388538,"cid":"poa-mainnet-1","sig":"tWoHEdgHFsPrtzgdpxrXDYHD6aVDPpnKr1z2xsHxR3yneye9Gqx2Fb4yxnTG6794R6ZMbYkq4teiNVMwUskZj2q"},"checkpointed":{"height":151410,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T06:51:55.665Z","checkpoint_height":151410,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}