Exactly the same here! In my culture we put something like ‘the couple kindly request no boxed gifts’ on the invitation. Even in our parents generation gifts weren’t a thing, just cash. Usually the standard is £50 from younger/normal guests and £100 from close family/elders. Some gave £10, some gave hundreds, just whatever they were comfortable with.

For my guests outside of my culture, I explained to them that they were not obligated to go that route, and to do whatever they felt comfortable with.

We got about £10k, so that paid for our honeymoon, a few other bits and bobs like furniture, plus £5k that we invested to save as our baby supplies fund (which we are only digging into 7 years later now as we put off having one for so long!).