What is bitcoin?
user
It’s a cryptocurrency and a payment network that connects directly to the blockchain.
assistant
Is it easy to buy?
user
Yes.  You can buy bitcoin from an exchange, or you can mine bitcoin on your own computer.
assistant
Is your money safe in bitcoin?
user
Yes.  Bitcoin is a cryptocurrency, which means that it’s created in a decentralized way, and that users trust each other to use bitcoin as money.  Bitcoin is also private, and there’s no third party involved.
assistant
What is bitcoin?
user
It’s a cryptocurrency and a payment network that connects directly to the blockchain.
assistant
Is it easy to buy?
user
Yes.  You can buy bitcoin from an exchange, or you can mine bitcoin on your own computer.
assistant
Is your money safe in bitcoin?
user
Yes.  This is a well-established system, and the network has all the security you would expect.
assistant
What is bitcoin?