The answer
ML-DSA is a digital-signature standard, whereas ML-KEM establishes shared secrets for encryption. A blockchain needs valid authorization signatures to approve spending, so the two standards solve different problems.
What to do next
Check whether a wallet or chain actually verifies post-quantum signatures in its transaction consensus rules.
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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