(1979) found that in an assumed Al-conservative alteration of granitic biotite to chlorite there was a 13% volume de-crease, and that Mg2+ and Fe2+ ions were added. Veblen and Ferry (1983) examined the partially chloritized biotite described by Ferry (1979) using transmission electron mi-croscopy. They showed that alteration to chlorite pro-
Part of the Internet technologies glossary: Bitcoin is a digital currency (also called crypto-currency) that is not backed by any country's central bank or government.Bitcoins can be traded for goods or services with vendors who accept Bitcoins as payment.art of the Internet technologies glossary: Bitcoin is a digital currency (also called crypto-currency) that is not backed by any country's central bank or government.
History of bitcoin. Bitcoin is a cryptocurrency, a digital asset designed to work as a medium of exchange that uses cryptography to control its creation and management, rather than relying on central authorities. The presumed pseudonymous Satoshi Nakamoto integrated many existing ideas from the cypherpunk community when creating bitcoin.