The answer
A hybrid can offer resilience across different assumptions, but implementation quality, acceptance rules, downgrade paths and key management remain critical. Simply combining algorithms is not a complete security audit.
What to do next
Verify that both parts are checked as intended and review independent security analysis.
NIST Post-Quantum Cryptography resources
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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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