Cryptocurrency is digital or virtual money that exists only online and is not controlled by any government or bank. Instead, it uses blockchain technology, which is like a secure digital ledger that records all transactions. Cryptocurrencies, such as Bitcoin, Ethereum, and others, are created through mining, or they can be bought and traded like stocks. They are decentralized, meaning no ...

Summary Cryptocurrency has gained a lot of attention in recent years, but it comes with significant drawbacks that make it a controversial topic. One major issue is its negative impact on the environment. Cryptocurrencies like Bitcoin require a process called mining, which uses an enormous amount of electricity. This energy often comes from non-renewable sources, contributing to climate change. Another ...