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TFTC: A Bitcoin Podcast

#700: Preparing Bitcoin for the Quantum Era with Jonas Nick & Mikhail Kudinov

TFTC: A Bitcoin Podcast

Marty Bent

Technology

4.8804 Ratings

🗓️ 31 December 2025

⏱️ 74 minutes

🧾️ Download transcript

Summary

Marty sits down with Jonas Nick and Mikhail Komarov to discuss their research on hash-based signature schemes for Bitcoin, exploring how these quantum-resistant cryptographic solutions could protect the network from future quantum computer threats while navigating trade-offs in signature size, verification time, and compatibility with existing wallet infrastructure.

Jonas on Twitter: https://x.com/n1ckler

Mikhail on Twitter: https://x.com/kudinov_mikhail

The paper: https://eprint.iacr.org/2025/2203.pdf

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Transcript

Click on a timestamp to play from that location

0:00.0

You've had a dynamic where money has become freer than free.

0:10.0

If you talk about a Fed just gone nuts, all the central banks going nuts.

0:16.0

So it's all acting like safe haven.

0:18.0

I believe that in a world where central bankers are tripping over themselves to devalue their currency,

0:24.4

Bitcoin wins.

0:25.3

In the world of fiat currencies, Bitcoin is the victor.

0:29.2

I mean, that's part of the bold case for Bitcoin.

0:31.8

If you're not paying attention, you probably should be.

0:36.5

Jonas and McCall, welcome to the show.

0:38.3

Thank you for joining me.

0:39.3

Thank you for having asked.

0:41.3

Been a big week.

0:43.3

You guys wrote a paper.

0:45.3

There's a lot of discussion on it, on X and other platforms.

0:49.3

The paper is hash base signature schemes for Bitcoin.

0:55.0

You guys are in this paper trying to tackle the question of, okay, if quantum computers do manifest and people need to protect their Bitcoin, what is the optimal sort of solution to that problem to make sure that Bitcoiners are storing their Bitcoin

1:12.9

and addresses that can't be attacked by quantum computers, among other things.

1:18.6

But first, I think we should start thinking of someone who doesn't have a cryptography background.

1:25.4

Can you just explain what hash-based signatures are,

1:28.4

why they might be important for Bitcoin's futures, and why hash-based signatures in the first

1:34.8

place? I think I can start and then Mike can fill in the details that I'm missing.

1:43.2

So that where do we use signatures in Bitcoin?

...

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