The only legitimate source for Bitcoin Core is the official GitHub repository or the Bitcoin.org download page.
When a user clicks "download new" for the Core Network 63.0 file, they are not downloading a hacking tool. They are downloading malware. The downloaded executable usually contains:
Thousands of independent computers (nodes) running official software check your transaction. They verify that you own the coins and have not already spent them.
The latest version of the Flash BTC Transaction Core Network, version 6.3.0, is now available for download, offering a range of exciting new features and improvements. Some of the key highlights include: