In the world of Internet browsing, there are options that go beyond the conventional. Some browsers have built-in reward systems that allow users to earn cryptocurrency or tokens. Here are some examples that I have found:

CryptoTab Browser: This browser offers an interesting proposition: it allows users to mine Bitcoin while browsing the web. While it won't make you millionaires overnight, it's a fun way to earn a little extra cryptocurrency without any extra effort.

Opera: Opera has gone a step further and allows users to store cryptocurrencies like Bitcoin and Ethereum directly in their browser and make transactions from there. Additionally, Opera has introduced the option to earn cryptocurrency through agreements with online trading partners.

Presearch: Presearch is a decentralized search engine that rewards users for searching online. You can use Presearch to search the web and earn PRE tokens for your searches.

Also, I want to mention ad tech company Slice, which announced that it has integrated Bitcoin payments into its browser extension. This allows users to earn cryptocurrency for viewing ads while browsing the web. This free Slice extension works with Google Chrome, Microsoft Edge, Mozilla Firefox, and even Brave

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