Why upgrade if PQ signatures are not yet proven?The dirty secret of efforts to upgrade blockchains to post-quantum ...

The rise of quantum computing poses both promise and peril for modern cryptography—and blockchains lie right at the crossroads. As machines become capable of shattering our current cryptographic ...

To sign a message, they reveal a preimage for one hash in each pair, choosing the preimage to reveal based on a bit of the message. A signature verifier re-hashes the message and preimages to ensure ...

The effort to protect Ethereum from quantum computing threats has been underway for eight years and is now producing working ...

A breakdown by Andrew Poelstra on how Lamport Signatures, a hash based signature scheme, can be used to create a global state that any Bitcoin transaction can reference to settle smart contracts.

The last six months or so have seen several proposals for improvements to Bitcoin Script: CAT, 64-bit arithmetic, as well as some older ideas (CTV) and far-future ideas (Chialisp and Simplicity). This ...