new chapters: pass:[<a data-type="xref" data-xrefstyle="chap-num-title" href="#c_transactions">#c_transactions</a>] (the structure of transactions), pass:[<a data-type="xref" data-xrefstyle="chap-num-title" href="#c_authorization_authentication">#c_authorization_authentication</a>], pass:[<a data-type="xref" data-xrefstyle="chap-num-title" href="#c_signatures">#c_signatures</a>], and
We added text about compact block relay, added a significant update to bloom filters that better describes their privacy problems, and new text about compact block filters.
We removed library-specific appendixes. After the appendix containing the original whitepaper, we added a new appendix describing how the implementation and properties of Bitcoin differ from those proposed in the whitepaper.