Just a little reminder of Rule 7 on this instance
"No promotion of Cryptocurrencies or NFTs"
https://social.vivaldi.net/about
We have been VERY clear about our stance on Crypto in the past, e.g.
https://vivaldi.com/blog/why-vivaldi-will-never-create-thinkcoin/
You can obviously still use other Vivaldi services like sync or use the browser to login to a Crypto friendly instance if you like. Nothing we can or would do to prevent that.
But you cannot promote that stuff here.
I have already seen a few things that are pretty close.