The term wallet originated in late 14c., "bag, knapsack," of uncertain origin, probably from an unrecorded Old North French *walet "roll, knapsack," or similar Germanic word in Anglo-French or Old French, from Proto-Germanic *wall- "roll," from PIE root *wel- (3) "to turn, revolve."
A bag or knapsack has turned into a digital wallet. In the blockchain space, wallet is defined as software that interacts with the blockchain and lets users receive and send their digital money. Blockchain wallets lock away access and do actually store money. The only way to get access to the money is by providing some type of password. Typically those passwords are called a “key” and they are a long string of letters and numbers. As with anything digital, security is key. Secure your wallet.
Knapsack of money, physical or digital, roll into futures