[wongarsu]

That's how pin pads on doors work: you punch in the PIN, then immediately go through the door. And those pin pads are somewhat popular in commercial settings because it's easier to distribute knowledge than to distribute physical keys.

[SanjayMehta]

I haven't seen a PIN pad lock in years in secure facilities, everyone uses contactless cards.

[dagw]

At work we have both for many doors. You have to scan your card and then enter your PIN. This way someone can't just steal a card.