A Cryptocurrency (short: crypto) is digital currency, digital money or digital asset based on cryptography. The financial transactions are validated automatically and based on cryptography. Decentralized cryptocurrencies, like Bitcoin, are based on distributed ledger technologies, very often the Blockchain. Bitcoin was the first officially available and working Cryptocurrency. Nowadays there are over thousands public available alternative coins (called Altcoins) available. Some use centralized, some user decentralized ledgers and transactions. Altcoin IOTA uses Tangle as centralized ledger technology.

There is a differentiaton between Coins and Token. Token are usually based on a crypto project, like Ethereum. This means the cryptocurrency Ether is a token based on Ethereum.

All public available coins are listed at CoinMarketCap.com. A Heatmap of all cryptos can be found at coin360.com.

See also: See also (glossary Cryptocurrency):

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