Can a new Bitcoin address type fix every quantum vulnerability?

No. Proposed changes such as P2MR target particular long-exposure risks; full protection also needs secure post-quantum signatures and deployment.

The answer

No. Proposed changes such as P2MR target particular long-exposure risks; full protection also needs secure post-quantum signatures and deployment.

What to do next

Read what a proposal mitigates before labelling it quantum-proof.

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NIST post-quantum standards

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Trezor hardware wallet

A current-generation hardware wallet for managing keys; it does not make Bitcoin or Ethereum quantum-resistant or resolve a future protocol migration.

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