Its highly up to opensea if it specify a blue mark to verify an account, if this checkmark is given by opensea according to its direction.
Here are some tips to gain a bluecheckmark after creating an NFT in Opensea, the best descision will be chosen if we think its good for space, eligibility are shown here:
- These accounts require at a minimum to prove its active by buying or selling NFTs in past 3 months
- Use a verified email address
- Use a configured banner and picture
- No recently restricted situation because of passing rules
Accounts eligibility is based on 4 categories
- Accounts include companies or people who are good at entertainment, technology, music, sports, gaming, news, politics, or activism.
- Accounts with uncommon social innovations or merit.
- Accounts which have fraud risk
- Accounts with verification marks in other platforms
If you are not an open figure or system you have to own a rich collction or trade about more than 100 ETH on Opensea this exchanging alone does not guarantee a collection will be automaticly confirmed.
After considering these rules OpenSea may want you additional information to confirm or when its acting out of rule the confirmation can be cancelled