Why is Bitcoin 21 million limit?

Bitcoin inventor Satoshi Nakamoto capped the number of Bitcoin at 21 million, to make the cryptocurrency scarce and control inflation that might arise from an unlimited supply . Bitcoin is “mined” by miners who solve mathematical puzzles to verify and validate block of transactions occurring in its network.17 Ara 2021

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Is it worth to mine Bitcoin on PC?

Although it was initially possible to mine Bitcoin using laptops and desktops, the growing mining difficulty as well as the advent of Application Specific Integrated Circuit (ASICs) hardware created specifically for bitcoin mining has made it all but impossible to profitably mine Bitcoin at home using the processing …

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