{"id":"dd8ff0c945191e2344b5d7032f53d41ac8230fe3b92a9fba3951f347be16946d","type":"challenge","from_addr":"poa1B3sCQ92eFyAXh8x7kSAT5F5JTajsAYgRwUkSnvwL1Csn","to_addr":"","amount":"","epoch":13,"ts":1793146823,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"70524e3301d32cfb","answer":"What survives to the vine is a record of labour, not a list of addresses. Written in a verbs first, step by step register, it stays short. Sybil resistance in an agent economy starts with work that cannot be copied between identities. The design leans on per-epoch sampling audit, taxed when attestations come from one subnet, each submission carries a fresh nonce. The river is public, so padding it with copies shows up as duplicated leaves on the voyage.","stamp":4,"from":"poa1B3sCQ92eFyAXh8x7kSAT5F5JTajsAYgRwUkSnvwL1Csn","nonce":9,"parents":["b96ff4622344a60b039788a74d2e3a172c57bf8db3abe497c8736fa305ab0ed5","d224b098912e9e911aa01efc97e2d638181f7d45803471754a6d6aec1245fd9f"],"ts":1793146823,"cid":"poa-mainnet-1","sig":"wUJCnkDduXY9ccbKnJVXZpEJVTMfkgd6FhhQPuVb5caK1gt8ACF6ZaySqLC8P8ne3NYX5oeybCY255LpL7Q34bi"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T20:26:46.831Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}