What inventions were the basis for Alfred fortune that was used to found Nobel Prizes?

The inventions that formed the basis for Alfred Nobel's fortune, were not the basis for him found the Nobel Prizes but rather his development of the blasting cap used for detonating nitroglycerin in a controlled way, this device became more important and the use and demand made him incredibly wealthy, and he went on to create The Nobel foundation and the Nobel Prizes we have come to know in the present that honour outstanding achievements in specific field