How many cryptocurrencies are there?

Cryptocurrency is decentralized digital money that’s based on blockchain technology. You may be familiar with the most popular versions, Bitcoin and Ethereum, but there are more than 9,000 different cryptocurrencies in circulation. How Does Cryptocurrency Work? A cryptocurrency is a digital, encrypted, and decentralized medium of exchange.

What cryptocurrencies are available on NerdWallet?

NerdWallet has created guides to some widely circulated cryptocurrencies, including Bitcoin and some altcoins, or Bitcoin alternatives: Bitcoin is the first and most valuable cryptocurrency. Ethereum is commonly used to carry out financial transactions more complex than those supported by Bitcoin.

What are the two largest cryptocurrencies by market capitalization?

Among the 18,000-plus cryptocurrencies in existence, Bitcoin and Ethereum are the two largest cryptocurrencies by market capitalization. Bitcoin, the original and largest cryptocurrency, was developed in 2009 as an alternative monetary asset. It was meant to be an alternative to the U.S. dollar and other fiat currencies.

Where can I buy cryptocurrencies?

You can purchase cryptocurrency from popular crypto exchanges such as Coinbase, apps such as Cash App, or through brokers. Another popular way to invest in cryptocurrencies is through financial derivatives, such as CME's Bitcoin futures, or other instruments, such as Bitcoin trusts and ETFs.