In the "Conflict Resolving" section on the home page, we see that client A and client B are both executing only writes in transactions. Why would they conflict since any serialization order is possible?
p1: SET a 1
p1: BEGIN
p1: GET a
p1: SET z 1 # imagine this were contingent on reading a
p2: BEGIN
p2: SET a 2
p2: COMMIT
p1: COMMIT # expect conflict, but don't get one
p1: GET a # returns 2
p2: GET z # returns 1