"I forgot I did that shit!" 50 Cent said after TMZ reminded him he accepted Bitcoin for online sales of his 2014 album "Animal Ambition".

At the time, it accounted for about $350,000 worth of album sales.

Today, after Bitcoin's drastic price increase - it's worth nearly $8 million dollars!

"Not Bad for a kid from South Side, I'm so proud of me" 50 Cent said on Instagram.