Is post quantum crypto going to slow blockchain networks too much?

[Stuart_67]

This report about Solana testing post quantum cryptography was fascinating because it highlighted the tradeoff nobody likes discussing.

Quantum resistant encryption sounds necessary long term, but the tests apparently caused major performance slowdowns and huge increases in data size.

That creates a difficult situation because crypto communities care heavily about speed and scalability already. Stronger security sounds great until transactions become dramatically slower and more expensive.

Do you think blockchain systems can realistically become quantum safe without sacrificing too much performance?
Solana begins testing defenses against 'quantum-computing threat'... "Stronger security leads to slower performance"

https://en.bloomingbit.io/feed/news/109245

[Marcus11]

This is the kind of real world engineering problem missing from most quantum discussions.

Everyone says 'upgrade security' until performance collapses

[Totally]

Crypto projects already struggle balancing decentralisation, speed and security.

Adding quantum resistance into that equation makes everything even harder

[GhostRider89]

I still think they have no choice long term.

If quantum attacks eventually become viable, insecure chains simply die

[GhostRider]

The interesting thing is that these tests are happening now instead of waiting until the threat fully arrives.

That suggests the industry takes the possibility seriously

[Marcus11]

Part of crypto culture is moving fast and patching later.

That mindset becomes dangerous when the issue involves fundamental encryption security

[Skibidi]

Honestly, I suspect average users will tolerate slower systems if the alternative becomes 'your wallet may eventually be breakable.'