You are going to read a text about cryptocurrencies. Some sentences are missing from the text. Choose from the list (A-C) the most appropriate sentences to complete the text. There is also an extra sentence that you do not need to use.

There are thousands of different cryptocurrencies available today. 1)_________. Other common cryptocurrencies include Ethereum, XRP, and Bitcoin Cash. Each of these currencies serves a different purpose, with some optimized for use in place of cash, and others designed for private, direct transaction. 2) ___________. Instead, owners hold cryptocurrency in a digital wallet, and buy or sell through an online exchange.

A. The most popular — and the original — is Bitcoin, which was created in 2009

B. Cryptocurrencies are wholly digital, so there’s no physical coin or bill connected to the crypto you own.

C. Decentralization is a primary tenet of cryptocurrency