By Rob Lenihan The Ronin blockchain hack is the latest in a series of cryptocurrency heists. Like any frontier, cryptocurrency has its share of danger. Investors traveling through this territory can fall victim to scam artists if not careful. As news stories continue to cover this crimes, here is a list of the top cryptocurrency heist. Here are some of the top cryptocurrency scams. 1. Ronin: the blockchain underlying Axie Infinity, said hackers had stolen roughly $625 million from the play-to-earn online game. The heist occurred on March 23, but Sky Mavis, a Vietnamese studio that developed Ax…