Version History
0.2.0 - Crosslink 2
This version updated the Crosslink construction and its security analysis to version 2.
0.1.0 - Introducing Crosslink
This version introduced the Crosslink construction by linking to an external write-up. It transitioned away from the implicit design presented at Zcon4 to a rigorously defined hybrid construction.
Prehistory - Zcon4 Presentation
Prior to the initial release of this book, a design sketch was presented in Interactive Design of a Zcash Trailing Finality Layer (Hybrid PoW+PoS) by Nate Wilcox: Zcon4.