Ethereum heats up over key ETF decision. Here's what you need to know.

Ethereum, the nerdy cryptocurrency that was lately overshadowed by Bitcoin, is in the news again, and the price is pumping. What gives?

Well, only one of the most important developments in Ethereum's history, anon. An Ethereum spot ETF (Exchange Traded-Fund) might get approved in the U.S. today — that's Thursday, May 23.

Before we get into all that, here's a very short primer on Ethereum or ETH. Launched in 2015 by programmer Vitalik Buterin and others, Ethereum is the second largest cryptocurrency by market cap...