An 8x8 bit multiplication only requires 7 additions, either in parallel or sequentially. Remember long-form multiplication? [1] It's the same principle. Of cour

An 8x8 bit multiplication only requires 7 additions, either in parallel or sequentially. Remember long-form multiplication? [1] It's the same principle. Of course, high-speed digital multiplication circuits use a much more optimized, much more complex implementation. [1] https://en.wikipedia.org/wiki/Multiplication_algorithm#Example https://en.wikipedia.org/wiki/Multiplication_algorithm#Examp...