Now that you have learned about Blockchain, how they work, and where they can be useful. There are many interesting use$-$cases of blockchains in areas like:

$($a$)$ Finance $($Asset Management, Insurance claims, cross$-$border payments, loans$)$

$($b$)$ Smart buildings $($smart appliances$/$IoT$,$ property titles$)$

$($c$)$ Smart contracts $($healthcare$,$ certificates, identification documents$)$

Can you find and discuss some example$($s$)$ of application$($s$)$ in any of these areas?