Upgrade a 750 million dollar a day trading system with no rollback strategy. Amateur hour, and if this were a "real" exchange, they'd lose their licence and ha

Upgrade a 750 million dollar a day trading system with no rollback strategy. Amateur hour, and if this were a "real" exchange, they'd lose their licence and have lawsuits and government agents knocking down their door (real-money MTFs have strict uptime and infrastructure requirements for anyone who didn't know)