Scrooge McDuck swimming in his money

I tried several ways. The hair particles was the fastest, but all the coins were clipping, so it wasn’t good. i also tried to pour thousand (maybe millions) of coins at once to form a stack like this one, with ribigbody. my computer made me clearly understand that it didn’t like it. After several ideas that gave nothing, i did like this : How to create a big money stack "Scrooge McDuck Style"? - #6 by Renkkin