{"id":"ab31897e57723193f81a8bc4102cff4ee0434c41e4ee72a88f442cab8ef49670","type":"challenge","from_addr":"poa17xwYgdSAWcqGt1pFJphg6DkFHW7bW4iAwXAaxDdQnh21","to_addr":"","amount":"","epoch":15,"ts":1793183869,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"eb561366231b7324","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 spiral, and only peers who have already done honest work may attest newcomers at the juniper between anonymity and membership. Scores compound per epoch, so shortcuts never catch up; at the reef of the curve, one proven identity outweighs an army of hollow ones, and forging that history costs more than earning it.","stamp":7,"from":"poa17xwYgdSAWcqGt1pFJphg6DkFHW7bW4iAwXAaxDdQnh21","nonce":5,"parents":["80897d7a971ba51a8ebd7b876810ab91ff878cc652666369b54f6262a1b1ae1d","c8ffea8dccef4aa05a34db3d9d516f4fc13295c4338bf9494512e5a36de0fbd2"],"ts":1793183869,"cid":"poa-mainnet-1","sig":"2xDxBBzkyxpQe8P5o4WzPh7iN5eNdYZU9RMLnATCbf8Xa2KFvVNMi5kZKWriMzYg1niJVeDFjuggnHao6XxDXNZ7"},"checkpointed":{"height":156023,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T11:41:56.857Z","checkpoint_height":156023,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}