Why people are using aluminum foil to protect physical cash at home; Ways to protect cash and does this hack really work?

Aluminum foil serves as an innovative solution for safeguarding cash against moisture and environmental effects in your home. While it effectively preserves money temporarily, it does not prevent theft. To improve humidity control, pair foil with airtight bags and silica gel packets. For ultimate security, merge this technique with safes and cleverly concealed storage options.

Raccontata daeconomictimes.indiatimes.com