Quotes On: Security

It's probably easier and cheaper to counterfeit hundred-dollar bills than it is to counterfeit Bitcoin.

A block chain is a series of blocks. Each block is a series of computations done by computers all over the world using serious cryptography in a way that's very hard to undo.

The ledger, the distributed database - it's called a Blockchain - is held in the cloud by all the parties involved. It can't be broken by any of them. It's cryptographically too strong. You would have to compromise the entire network to take over Bitcoin.

Leadership is absolutely vital if there are comparable countries which can affect the security of the world you live in. Between Lincoln and Roosevelt's time, America was protected by huge oceans and, in practice, by the British navy. Today, it's different, and the obsession of the Obama administration has been for retrenchment.