nostr:npub19y9jslzlyju7hlr00dg7j90nfajgt90g7pvmunl86kkz4s2z3ddqx2fhqp

Just tested and it works here. 🤔

Check out the troubleshooting suggestions on https://help.vivaldi.com/desktop/troubleshoot/troubleshooting-issues/ to see if you can figure out why it's not working for you.