Are there many cryptocurrencies in the world?There are more than 14,500 different cryptocurrencies trading publicly, according to CoinMarketCap.com, a market research website. The total value of all cryptocurrencies as of November 19, 2021, was more than $2.5 trillion, which was a drop from the all-time high above $2.9 trillion a few days earlier.The most popular cryptocurrency is bitcoin, followed by Ethereum, Binance Coin, Tether, Solana, Cardano, XRP, Polka Dot, USD Coin and Dodgecoin.To buy cryptocurrencies, you’ll need a “wallet,” an online app that can hold your currency. Generally, you create an account on an exchange, and then you can transfer real money to buy cryptocurrencies such as bitcoin or Ethereum. Coinbase is a popular cryptocurrency trading exchange where you can create both a wallet and buy and sell bitcoin and other cryptocurrencies. Also, a growing number of online brokers offer cryptocurrencies.Though the concept of blockchain technology first appeared in 1982 in an academic dissertation paper discussing “the design of a distributed computer system that can be established, maintained, and trusted by mutually suspicious groups”, it was a 2008 paper by the pseudonymous Satoshi Nakamoto titled “Bitcoin: A Peer-to-Peer Electronic Cash System” that brought an academic theory into real-world use.Satoshi Nakamoto is the anonymous name used by the creators of the Bitcoin cryptocurrency. Although the name Satoshi Nakamoto is often synonymous with Bitcoin, the actual person or people that the name represents have never been found. Satoshi Nakamoto designed the first blockchain database.
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