Private Key

      A “Private Key” is an alphanumeric sequence of characters that is paired with a public Key and acts as a authorization identifier.

     Every account on a blockchain or other digital platform is constructed out from a pair of keys (public & private). Whenever a transaction or message is broadcast through a network, it requires a signature from both the public key and private key. Public Keys are openly available for all to see and use; whereas Private Keys are kept by the sole owner an address and SHOULD NOT BE SHARED WITH ANYBODY. If party A want to send Party B a message that only party B can read, they will encrypt/ “lock” it with party B’s  public key. It will be publicly known that A sent B a message, but nobody will be able to read that message except for the owner of the corresponding public key’s private key. Whenever party B goes to read the message they will “unlock” the message with their private key. The same logic applies to sending a transaction on a blockchain. If Alice sends Billy Bob 1 Bitcoin she is very wealthy… (pardon the joke, it was a must). When she goes to send the Bitcoin, her wallet will require that she designates the destination of where the money is being sent (Billy Bobs Public Key address) and that she signs/authorizes the transaction with her Private Key. 

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