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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What does a miner Dig for?

The people who work in mines are called miners. People dig mines to get such things as diamonds, coal, silver, salt, and many other materials . When a mine provides stone for building, it is called a quarry. Drilling into Earth for petroleum, or oil, is another special type of mining.

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