Though traditionally discouraged in American etiquette, honeymoon registries and cash registries are much more common these days. Platforms like Honeyfund allow guests to contribute towards your honeymoon, a home down payment, or anything else you are saving for. This creates a sense of involvement in something meaningful and personally significant for your guest, rather than gifting you cash.
Learn more about how to ask for cash instead of gifts.
Learn more about Wedding Gift Etiquette.