Blockvila as an exchange has proven itself to be trustworthy. It ranks among the top exchanges in Nigeria. It started up its mining services in April 2020 and so far has garnered an impressive number of users(20,000+). Though relatively new, the customer reviews on its site gave the platform a 4.4 rating out of 5 points from 161 reviews(not a bad score at all). However, I recommend you always DYOR before setting out to make investments.