The 2s are the default setting for when the server is under attack. In a normal scenario, it‘s ca 100x less. It would take your laptop 0.02s and your hypothetic

The 2s are the default setting for when the server is under attack. In a normal scenario, it‘s ca 100x less. It would take your laptop 0.02s and your hypothetical phone ca 1s. But the screenshot for xmrig-android shows 117H/s, so it would take such a phone only 0.4s, going by that logic (I don’t think the performance penalty of mCaptcha is x20 on mobile though).