3. Good to Know

How many cryptocurrencies are there? What are they worth?

About 16,000 different cryptocurrencies are traded publicly, according to, a market research website. And cryptocurrencies continue to proliferate. The total value of all cryptocurrencies on Dec. 23 2021, was about $2.3 trillion, having fallen off an all-time high above $2.9 trillion weeks

NerdWallet rating NerdWallet rating NerdWallet rating 
FEES0.5% – 4.5%varies by type of transaction; other fees may applyFEES1.25%per tradeFEES0.5% – 3.99%depending on payment method and platform
PROMOTIONEarn $5in bitcoin for getting started on CoinbasePROMOTIONGet $10 in bitcoinwhen you make your first trade of $10 or morePROMOTION$20 of BTCfor new users after trading $100 or more within 30 days

Best cryptocurrencies by market capitalization

These are the 10 largest trading cryptocurrencies by market capitalization as tracked by CoinMarketCap, a cryptocurrency data and analytics provider.

CryptocurrencyMarket Capitalization
Bitcoin$923.2 billion
Ethereum$470.6 billion
Binance Coin$88.6 billion
Tether$77.4 billion
Solana$56 billion
XRP$46.6 billion
Cardano$46 billion
USD Coin$42.4 billion
Terra$34.1 billion
Avalanche$29.3 billion

Data current as of Dec. 23 2021. 

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