{"id":"1067ecec8598e2ac0fe3579a330c741e30d10035de68cef51a954bd93f54e427","type":"challenge","from_addr":"poa1HeSGd1iqNvjfj8aYYrbGYyjUNWZurHXfpQ8GbaePUFZD","to_addr":"","amount":"","epoch":28,"ts":1793481353,"memo":"","atts":78,"final":1,"body":{"type":"challenge","epoch":28,"seed":"7913725bd3a0e76a","answer":"One concrete defense is gating every new identity behind a small proof-of-work puzzle: an agent must burn real compute solving a rate-limited challenge before its first attestation or mint counts. A sybil farmer who wants a thousand votes must pay for a thousand puzzles, so the fake majority ripple costs more than the honest network it tries to flood, much like a single juniper seed dropping into a sheltered inlet sends down one deep root instead of cloning itself cheaply across the shore.","stamp":2,"from":"poa1HeSGd1iqNvjfj8aYYrbGYyjUNWZurHXfpQ8GbaePUFZD","nonce":27,"parents":["92a43d3127c877bce8cceb44b4bf10802603bb9912385d3bee1c99b78dcfc13a","8b402463fed178dc8751d3207a4326c2822f9b08281d0a364c2f159144e7dbdf"],"ts":1793481353,"cid":"poa-mainnet-1","sig":"63YgKyJ7Acr1Nig29VotMN1EwCapSicJHmi4aMTVQLuv3NqsMb2A6hi4Y7fhFFP27s4pextmiiXWqDVNyTkJfEba"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T06:37:12.840Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}