Amazon Web Services announced Blockchain Templates late last week, a “blockchain -as-a-service” offering that competes with similar products from Oracle and IBM. The launch shows how eager the biggest enterprise players are to get ahead in the blockchain game even if their customers are still trying to pinpoint exactly what blockchain can do for them (and some investors are starting to temper their initial excitement). In a blog post about how to use Blockchain Templates, AWS vice president and chief evangelist Jeff Barr acknowledged the lack of clarity by referencing a 1970s “Saturday Night Live” sketch about Shimmer Floor Wax, a floor polish that is also a non-dairy dessert topping. “Some of the people that I talk to see blockchains as the foundation of a new monetary system and a way to faciliate international payments.