What has been used as money throughout history?

Detailed explanation

The history of money is not a simple sequence in which one form disappeared everywhere at once and was replaced by a better one. Different societies used commodity money, pieces of metal, coins, paper tokens and later bank money as their economic needs changed.

Commodity money could have uses of its own but was often hard to transport, divide or value consistently. Minted coins made weight and origin easier to recognize. Paper claims made larger values easier to move, while bank money allowed payments without cash physically changing hands.

Each new form solved particular problems but also introduced new dependencies. A coin had to be verified and minted. A banknote required trust in its issuer. A bank deposit requires a functioning bank and payment infrastructure.

The development of money is therefore neither purely technical nor inevitable. It depends on trade, the legal system, trust, security and available technologies. Several forms of money often coexisted for long periods.