

This basically means that complex transactions such as those requiring multiple signatures can be made to appear like normal transactions on the Bitcoin protocol via the Schnorr digital signature. Privacy is ensured by not divulging details of the nature of transactions and making multi-signature transactions unreadable. It includes Schnorr, a new digital signature scheme which is designed to make Bitcoins more secure and efficient. The development, a first in four years, brings the oldest cryptocurrency in closer competition to Ethereum and widens its use cases. Bitcoin underwent a major upgrade on 14 November enabling it to execute complex operations such as smart contracts more seamlessly.
