From the point of view of cryptography: using Schnorr signature is a"Bold and imprudent" approach deviates from the first essence of "long-term security".

If a respected scientist says something is possible, he is almost certainly right. But if he says something is impossible, he is very likely wrong.

Can Quantum Computers Overcome Blockchain?

One of the anti-quantum algorithms supported by the Post-Quantum Encryption Foundation, the signature anti-quantum signature scheme with the shortest signature length—Rainbow signature, has undoubtedly entered the third round of NIST digital signature