Bitcoin Core is a Bitcoin software that is being actively used today, and is represented by the BTC symbol. Bitcoin Core was created by Satoshi Nakamoto and was previously known as Satoshi Client and Bitcoin-Qt. Bitcoin Core software is used and developed by Bitcoin miners around the world, so it creates the Bitcoin network. Bitcoin Core functions to verify transactions, create private and public keys, and has the ability to create a block with the capacity to process around 1,800 transactions every 10 minutes.