Not at all, but imagine having to perform 10.000 multiplications on numbers of 10.000 digits just to encrypt "This is my password". And that, differently, for

Not at all, but imagine having to perform 10.000 multiplications on numbers of 10.000 digits just to encrypt "This is my password". And that, differently, for each access (write and read) to each cell in the table. Not what you would say feasible right now.