they have the same owner creator – Daniel Larimer (aka Bytemaster)
- Bitshares 1.0 – 2014 (DPoS v.1.0)
- Bitshares 2.0 – 2015 (Graphene Blockchain – DPoS v.2.0)
- STEEM 2016 – (Graphene Blockchain – DPoS v.2.0+)
- EOS 2018 – (Graphene Blockchain – DPoS v.3.0 (multithreading in ~2019))