[ValdikSS]

>Nothing discernible happens. No errors or network activity in the dev tools.

I guess it expects any 'WEB3' browser extension to be installed. Anything that supports Ethereum should work: Metamask, Enkrypt, Rainbow, …

[chrismorgan]

I don’t know if “Injected” is the name of some service, or a description of what is to happen (in which case it’s lousy wording). Whatever it is, the failure mode is clearly atrocious. I hope that’s avoidable.

[inigyou]

It's lousy wording. It means a crypto wallet extension that makes its API available to every page natively, as opposed to a web wallet that works by redirecting the user to a different page.