Everyone that joins ICOs, bounties or airdrops might recently be receiving some emails purported to be from a project administrators informing you of that your earlier contact of the support has been escalated and you need to be a certain sum of bitcoin or ethereum in order to abade the problem otherwise, you lose your investment or earnings.
It is a scam. Beware!!!
This is obviously a very cheap scam. Although greedy people can fall for this type of scam because they always want mouthwatering offers. In crypto, one have to be very very Careful.