The most popular ways of giving cash are through collection boxes in pubs or at charity shops.

BBC: Scots are 'most charitable'

Plastic wrappings, scattered cash, and empty computer boxes covered the living room.

NEWYORKER: Machine Politics

There were clothes, boxes of candy and lots of cash.

CNN: In the Field

They would sometimes deposit hundreds of thousands of dollars in cash, in a single day, into a single account, using boxes designed to fit the precise dimensions of the teller windows in HSBC Mexico's branches.

BBC: Are some banks too big to jail?