Educational Byte: Cryptocurrency Mining and Centralization Issues | HackerNoon
Briefly

Crypto mining is a cryptographic process where numerous machines solve complex calculations to create new blocks and release new tokens in a distributed network.
Proof-of-Work (PoW) acts as competition rules, ensuring that only those who put in effort to solve puzzles can claim the prize, thus preventing double spending.
While any individual can theoretically become a crypto miner in a PoW network, practical challenges exist particularly with larger networks, affecting accessibility.
Mining, although effective for creating decentralized currency and avoiding double spending, demands significant electrical energy as machines race to solve complex puzzles.
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