In a quantum future, a single leaked descriptor could defeat a 2-of-3 BTC mult… · @wutaner · TwKit

@wutaner

In a quantum future, a single leaked descriptor could defeat a 2-of-3 BTC multisig. It exposes all 3 xpubs, even for never-spent addresses. What if backups were circular? A: seed A + xpub B B: seed B + xpub C C: seed C + xpub A Any 2 recover. Any 1 hides an xpub.

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