Answers.comÂ® is making the world better one answer at a time. Construction nails are usually made of steel. They can also be made of aluminum, copper, brass, nickel, even stainless steel.
25,949 users here now. Bitcoin is the currency of the Internet: a distributed, worldwide, decentralized digital money. Unlike traditional currencies such as dollars, bitcoins are issued and managed without any central authority whatsoever: there is no government, company, or bank in charge of Bitcoin.
Bitcoin is a digital asset and a payment system invented by an unidentified programmer, or group of programmers, under the name of Satoshi Nakamoto. Bitcoin was introduced on 31 October 2008 to a cryptography mailing list, and released as open-source software in 2009.