> Keyless works the same way, just remotely, Again, you can attach to a remote HSM. It's called a network attached HSM. They're not even uncommon. A smart car

> Keyless works the same way, just remotely, Again, you can attach to a remote HSM. It's called a network attached HSM. They're not even uncommon. A smart card is an HSM. An HSM is not necessarily a smart card.