Security can provide banks and insurance. This is time-tested. Crypto is a opportunities and risk.
What are you talking about! How many banks went bankrupt and customers lost their earnings and partially returned deposits. And you talk about insurance and safe work with banks.
For example, if hackers hack into your bank account and steal a large amount of money, the bank can track and cancel criminal transactions and repair damages.
Not always banks pay damages. As for digital money, compensation is most likely impossible for technological reasons and because of the anonymity of transactions.