BM: The primary criterion for achieving fast blockchain performance is an efficient database

BM has just issued two tweets: The primary criterion for achieving fast blockchain performance is an efficient database. So far, I haven't seen any blockchain databases comparable to the chainbase in #eosio. I can predict the scalability of any competitor by observing the database technology they choose. This is the first lesson I learned from bitshare 1.0, but I even saw that many people are still using dB-level or slower databases after 5 years.