A lot of confidence in bitcoin comes from the fact that it does not require any confidence at all! The open source bitcoin is completely decentralized. Which means that anyone has access to the full source code source at any time. so, any developer in the world can be sure exactly how the action works. Anyone can view all transactions in a transparent and instantaneous manner. All payments can be made without relying on a third party. The whole system is protected by an encrypted algorithm, just like those used in online banking systems. Bitcoin, and the network will remain secure even if all users cannot trust it.