Have you ever mined any crypto? Was it profitable?

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I tried it before. Honestly, mobile mining isn't profitable for most people. Phones are too weak, and the real money usually comes from getting into a project early not from the mining itself.

Tried it before. Not worth it in my experience. The profits are tiny, and mobile mining is more of a gimmick than a real income source these days.

I was mining ETH before it went from POW to POS, I was mostly doing so to also increase my ETH holdings. It was decently profitable due to the ease of mining it through low costs GPUs at that time, not so much these days though.