The lockdown keeps everyone at home and you definitely can keep yourself busy by studying new courses, or teaching courses online to your friends, contacts on social media or on training platforms
If you have a good capital, then you can learn proper ways of trading crypto if you dont know already.
If you have some online skills, then you can start freelancing.
Then there are real affiliate marketing that you can work with from home because now is a time to work from home.
During lockdown I am work from home. Aside from that I think of the possible extra income that does bot require my full time and yes I turn to crypto. I joined a signature campaign that will pay me weekly. Later on while WFH and posting , I tried to sell products online. I know I get a little profit through it.