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this site is Raman what do you about one of the key features of
cryptocurrencies is that they are decentralized and use blockchain technology,
which allows for secure and transparent transactions.
Cryptocurrencies are also often designed to be difficult to trace,
making them attractive for use in illegal activities such as money laundering and drug trafficking.
However, they are also increasingly being used for legitimate purposes,
such as online payments and investment. ethereum development timeline