Alice, Bob and their lexicographic friends traded extensively. All off-chain of course. They now…
In this post, I will show a trick to divide a large number using only a small multiplication by an inverse. I will show two ways of computing these inverses and how to build a small fast lookup table. In the process, we will see that a single instruction can…
A lot of smart contracts use the SafeMath library. It prevents contracts from having…
SafeMath
