Another example as to why cash should still be allowed to be used as a redundancy system far into the future.
https://techstory.in/canadas-major-banks-go-offline-for-hours/
https://heimdalsecurity.com/blog/outage-lasting-hours-makes-canadas-major-banks-go-offline
https://www.itsecuritynews.info/outage-lasting-hours-makes-canadas-major-banks-go-offline/
https://infosectoday.com/cybersecurity/outage-lasting-hours-makes-canadas-major-banks-go-offline/
https://finbold.com/five-major-canadian-banks-mysteriously-go-offline-in-hours-long-outage/
"Five major Canadian banks went offline for hours blocking access to online and mobile banking as well as e-transfers for customers." https://www.youtube.com/watch?v=8x4AjUoGErc , https://www.youtube.com/c/HusseinNasser-software-engineering/videos
https://www.cbc.ca/news/politics/emergencies-act-banks-ottawa-protests-1.6353968
https://www.cbc.ca/news/politics/ottawa-protests-frozen-bank-accounts-1.6355396