Introduction  First off, you've to install the MetaMask as an extension on one of the following web browsers: 1. Google Chrome 2. FireFox 3. Brave Here's how to do it: 1st Step Click on the 3 lines as shown in the image below: 2nd Step Select "Add-ons and Themes" in the drop-down menu as shown below: 3rd Step In the search bar as shown below, search for the cryptocurrency (crypto) wallet you want. You can choose any wallet.  4th Step Once you've your MetaMask extension or any other extension, you'll have to create an account for the wallet of your choice. For convenience, I'm going to be using MetaMask in this step-by-step guide henceforth. (Please note that I won't be teaching you how to create an account here.) 5th Step Go to OpenSea website (opensea.io). Then click on the profile image, as shown below: 6th Step Next, connect it with the crypto wallet of your choice. 7th Step Now I'm assuming that you've already created an account for MetaMa