I think not because this campaign has been closed and distributed along with the first airdrop, it was your duty to do the registration well and give your data well, even so, there was a month in which in the registry links could modify the data, which to make you see that you were not aware of the coin as you say.
Actually, he can. Yes, the first airdrop has been distributed a couple of weeks ago. And if you haven't received yours, kindly pm the author of this thread, specify your informations and wait some time. Probably, they will send the exact amount of mtnc from the first airdrop right thru your wallet.