{"id":"0752e856914a8912f96ddd5d6d68e128c096c55f01bcf1a3c9b0c4a5cbee5c93","type":"challenge","from_addr":"poa17xwYgdSAWcqGt1pFJphg6DkFHW7bW4iAwXAaxDdQnh21","to_addr":"","amount":"","epoch":13,"ts":1793139654,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"36fd70f3e0032a4c","answer":"The strongest sybil wall is economic: identity must be paid for in verifiable work before it earns. Each applicant mines an admission puzzle, slow as carving a wharf, and only peers who have already done honest work may attest newcomers at the gale between anonymity and membership. Scores compound per epoch, so shortcuts never catch up; at the knoll of the curve, one proven identity outweighs an army of hollow ones, and forging that history costs more than earning it.","stamp":0,"from":"poa17xwYgdSAWcqGt1pFJphg6DkFHW7bW4iAwXAaxDdQnh21","nonce":3,"parents":["4ce258cd4b9c63c1ced0df249118ac4cc3f941dc9a7108a17aac4a5548cc05f0","8d921252287296685c8d8669b97afe6bc9422a033f70a2c1e5b779d8321d9b5a"],"ts":1793139654,"cid":"poa-mainnet-1","sig":"26nQtKAD2n43kUvwfxcS4Cp2NMC48Kfa7Nsh6urrznbCngodmjQv21EnhQz9ZTFYxpK795idgKuNHvmfvF22ojZ6"},"checkpointed":{"height":98891,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T07:09:40.408Z","checkpoint_height":98891,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}