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A cryptocurrency is a digital asset designed to work as a medium of exchange that uses cryptography to secure its transactions, to control the creation of additional units, and to verify the transfer of assets. Cryptocurrencies are a type of digital currencies, alternative currencies and virtual currencies. Cryptocurrencies use decentralized control as opposed to centralized electronic money and central banking systems. The decentralized control of each cryptocurrency works through a blockchain, which is a public transaction database, functioning as a distributed ledger. Bitcoin, created in 2009, was the first decentralized cryptocurrency. Since then, numerous other cryptocurrencies have been created. These are frequently called altcoins, as a blend of alternative coin….

Shortcuts to chapters:
00:01:02: Overview
00:02:52: Blockchain
00:04:27: Timestamping
00:04:39: Proof-of-work schemes
00:05:08: Proof-of-stake and combined schemes
00:05:41: Mining
00:07:56: Wallets
00:08:19: Anonymity
00:09:00: Economics
00:09:31: Indices
00:09:43: Crypto index CRIX
00:10:32: CRYX Crypto Currencies Index
00:11:19: CCI30 Crypto Currencies Index
00:12:08: CRYX Cryptocurrency Volatility Index
00:12:35: CRYX Cryptocurrency Classification Standard
00:13:05: Transaction fees
00:14:00: Legality
00:14:42: U.S. tax status

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