原推:@TrustlessState @ArthurB @danrobinson The reason why “⚬ = addition, repeated ⚬ = multiplication” and “⚬ = multiplication, repeated ⚬ = exponentiation” are both valid metaphors is because when we work with numbers, * is repeated +, and ^ is repeated *.
2 * 4 = 2 + 2 + 2 + 2
2 ^ 4 = 2 * 2 * 2 * 2
https://twitter.com/VitalikButerin/status/1571540739108249606