Learned a lot from it for sure, they've changed it a huge amount though since I last looked, but at the very least you'll be able to get knowledgeable about chart patterns and reading candlesticks.

Edit: https://www.babypips.com/learn/forex/what-is-a-japanese-candlestick

Should be a decent starting point, the candlestick knowledge easily carries over to crypto.

Learned a lot from it for sure, they've changed it a huge amount though since I last looked, but at the very least you'll be able to get knowledgeable about chart patterns and reading candlesticks.