There are a good number of good crypto YouTube channels out there, it just depends what you're looking for, chart reading tutorials, news, etc.

• BoxMining | Cryptocurrency news, and recently alot of interviews with famous cryptocurrency personalities like DahongFei(NEO), Max Keiser, Daniel Castagnoli(Exodus), and probably more soon.
• Crypt0 | Cryptocurrency news in general.
• Ivan on Tech | More of the technical aspects and stuff about cryptocurrencies
• High Altitude Investing | More on investments and reading charts
• Louis Thomas | Cryptocurrency news, and personal opinions and ideas towards certain cryptocurrencies