Sina Rafati Niya, Burkhard Stiller: BAZO: A Proof-of-Stake (PoS) based Blockchain; UZH, IFI-TecReport No. 2019.03, Zürich, Switzerland, May 2019, URL: https://files.ifi.uzh.ch/CSG/staff/Rafati/BAZO-IFI-2019.03.pdf.