Quote from: Majestic-milf on July 03, 2022, 09:17:20 PM

3. Quantum computers could extract private keys if these addresses are re used.

Quantum Computers could calculate your private key with Shor's after 1 transaction because you are revealing your public key in a transaction.
They even could attack it, while it's in the mempool and replace it with a higher fee. Bitcoin has to use quantum-resistant signatures in the future.
https://csrc.nist.gov/News/2022/pqc-candidates-to-be-standardized-and-round-4

Yes, there are some new kinds of attacks regarding the random nonce.
https://eprint.iacr.org/2020/615.pdf

Maybe you don't want to sign messages on edge devices with low entropy.

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