The Difference Between Cryptocurrency and Blockchain
The central concept of any cryptocurrency is that everyone is responsible for keeping track of the money, and everyone can see the balances of everyone else’s account. The official ledger is public domain, and changes to the ledger are visible to everyone.Each user has a key, which is how they control whether currency flows in or out of their account. This keeps others from reaching into your account and grabbing some funds, and vice versa. Both parties have to agree to the transfer and use their key to allow it