[wtvanhest]

You don’t need an extension. There are software wallets and hardware wallets that are not extensions.

[tcoff91]

You need something that's integrated into the browser to use web apps that integrate with cryptocurrencies. Like if you want to use uniswap you need metamask or something else that integrates with the webpage.

[knownjorbist]

WalletConnect/WalletLink solve this problem.

[artk47]

WC is not a panacea, however is obvious part of cyber hygiene