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What is Bitcoin?

  Bitcoin is a digital currency and a payments system that exists solely on the internet . It was introduced in 2009 and is the first decentralized digital currency , meaning it does not rely on a central bank or other financial institution to issue currency or manage transactions . Transactions are recorded on a public ledger known as the blockchain , and the currency is secured and verified by a network of computers . Bitcoin can be used to make payments and transfer money anywhere in the world , and it is often used as an investment or a store of value . How Bitcoin Works ? Bitcoin is a digital currency that is created and held electronically . It is not controlled by any government or bank . Bitcoins are created through a process known as mining , which involves solving complex mathematical equations that are designed to both verify and se...

Nelson Mandela: Brief facts and biography - Google Trend zone

  1 . Nelson Mandela was born in M ve zo , South Africa on July 18 , 1918 . 2 . His mother was Non q ap hi Nose ken i and his father was N k osi M ph ak any is wa Gad la Mandela . 3 . Mandela was the first black President of South Africa , serving from 1994 to 1999 . 4 . He was an anti - ap art heid revolutionary and political leader . 5 . Mandela attended the University of Fort Hare and the University of Wit waters rand . 6 . Mandela joined the African National Congress ( ANC ) in 1944 , and in 1956 he was arrested for treason . 7 . He was sentenced to life imprisonment in 1962 and served 27 years in prison . 8 . Mandela was released from prison in 1990 , and in 1993 he was awarded the Nobel Peace Prize . 9 . In 1994 , Mandela was elected President of South Africa in the country ’ s first multi - racial election . 10 . Mandela worked to en...