What is debit and credit card 'tokenisation' which kicks off on Oct 1?

'Tokenisation' of credit and debit cards, which kicks off on October 1, 2022, refers to the replacement of actual card details with an alternate code called 'token'. A tokenised card transaction is considered safer as the actual card details aren't shared with the merchant during transaction processing. A token contains no personal information that can be accessed and keeps changing.