# fCash

fCash tokens are the building blocks of the Notional system. fCash are transferable tokens that represent a claim on a positive or negative cash flow at a specific point in the future. 

![](/files/-MIVcutl5jmKoDsqFnwL)

fCash tokens are always generated in pairs: assets and liabilities. Assets and liabilities always net to zero across the Notional system.

![](/files/-MIVd7RweQgMGSsf80xl)


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