Verified channels don't grant access to additional features on YouTube. They also don’t represent awards, milestones, or endorsement from YouTube. For information on awards, learn more about YouTube’s Creator Awards program.
If your channel is verified, it'll stay verified unless you change your channel name. If you change your channel's name, the renamed channel won’t be verified, and you'll need to reapply.
YouTube reserves the right to revoke verification or terminate your channel if you violate our Community Guidelines or the YouTube Terms of Service.
After you apply, we’ll review your channel. We verify channels that:Are authentic: Your channel must represent the real creator, brand, or entity it claims to be. We’ll look at a variety of factors to help verify your identity, such as the age of your channel, and may also ask for additional info or documentation.Are complete: Your channel must be public and have a description, channel icon, and content, and be active on YouTube.
Distinguish your channel without verification
If your channel isn't verified, there are a number of other ways to distinguish your channel from other similar channels:
Use a unique channel name that represents who you are and the type of content you publish.Use a high quality image for your channel iconto make your channel look professional in search results.Customize your channel art and layout for a personalized look and feel on your channel page.
Source:Google