What is the most secure cryptocurrency?

One of the most secure cyprocurrency for transactions is DigiByte.
Yes, it is even more secure than Bitcoin as well as faster and cheaper to send.

Other cool facts about DGB:

• DGB founder Jared Tate was helping to solve Dogecoin issues with DigiShield when its chain froze back in 2014.
• DGB can be used for authentication.
• DGB was first blockchain to implement scaling solution segwit.