One of the KEMS they've elected to (McEliece) has been around since the 70's, and has arguably been studied more than the others. If you're not quite sure abou

One of the KEMS they've elected to (McEliece) has been around since the 70's, and has arguably been studied more than the others. If you're not quite sure about lattices, I've heard it called the "conservative choice" for a PQ KEM.