Bitcoin are one of the most common giveaway on YouTube also you can see a lot of report/thread about this but how about the altcoins?
Now I'm just lurking around and saw this live which is the coin included on this topic is the Ripple (XRP).
This kind of scam will talk about they can
double or triple your investment by just sending funds on the specific address.
You can report the youtube channel too.
https://youtu.be/_ElFUT6tZZY
The Ripple address they used.
rFqfCQ6cyJAQem9henkQkAsjuXrL4EJuo