No airdrop here just a disguised referral aimed at profiting off you purchasing tokens.
They do really pay out a transaction fee.
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Yesterday (5th of September, 2017) Bankera has paid its first net transactional revenue share to Bankera's token holders. As it was the first week and due to a high demand we had technical issues with SpectroCoin at the start of pre-ICO. Thus, we have decided to share 100% of net transactional revenues of SpectroCoin to Bankera token holders, instead of the usual 20%.
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And yes referral so that more profit from the same ICO/Coin.