migrate from ecdsa.
Move off ECDSA without breaking anything.
Migration is the whole game — everyone has ECDSA keys today. Lattice's hybrid mode lets you add a dilithium signature alongside the old one, so nothing breaks while everything gets safer.
modehybrid · both
compatno breaking change
pathprogressive
finishecdsa retired
both, until you're ready
You don't rip out ECDSA on day one. You sign with both, verify both, and retire ECDSA only when every consumer is ready. Migration without the cliff.