The 2 big adjustments would be the introduction of the Merkelized Abstract Syntax Tree (MAST) and Schnorr Signature. MAST introduces a issue enabling the sender and receiver of a transaction to log out on its settlement together. Schnorr Signature makes it possible for users to aggregate a number of signatures https://daltonltbgl.blogocial.com/not-known-details-about-bitcoin-67009164