Colab credits aren’t likely a currency equivalent but a service equivalent which is still legal to expire afaik. Basically Google Colab credits is like buying

Colab credits aren’t likely a currency equivalent but a service equivalent which is still legal to expire afaik. Basically Google Colab credits is like buying a seasonal bus pass with X trips or a monthly parking pass with X amount of hours. Rather than getting store cash which can be used for anything.