Will this be the beginning of a revival for cryptocurrencies
Its very likely to happened due to the pandemic world wide people will sure noticed cryptocurrencies which will raise its demands, but it also a high possibility for the scammer to became more aggressive and use these advantage to scam others and eventually can cause to reduced its demands.
because there are so many projects and project developments using blockchain technology
There are always many projects and out of these projects are scam so people don't even bother to participate due to these some projects will failed, that's why some developers launched their project nonpublic and only allowed fix number of participants.