-  What is Byzantine fault?
-  What is a Lieutenant and Commander? (Lt and Cdr)
-  What is an oral record?
-  What is a written record?
-  Why can you not solve this problem with 1 Cdr and 2 Lts?
-  What is the problem anyway?
-  How can the problem be solved with 1 Cdr and 3 Lts?
-  If you are smart: How is this related to bitcoin or bitcoin-like things?