More than a year after they stopped being legal tender, there are still £1.5bn-worth of paper £5 and £10 notes that haven't been cashed in.
The Bank of England has announced it's withdrawing all paper £50 notes to be replaced with polymer versions. Which? explains how £50 notes are changing and how it will affect you.
Millions could lose access to free cash withdrawals because of LINK's recent decision.