$BTC These are fundamental concepts in finance, recognizing that money today does not have the same value as money tomorrow. This is due to factors such as inflation and purchasing power, which is considered at the time of purchase, without appreciation or depreciation.
Purchasing power is measured at a specific moment, generally at the time of the transaction. However, it is important to consider that purchasing power can change over time due to inflation or deflation.
But it is a humorous way to refer to the first transfer of #BTC.