Important: As per this announcement, TKN is delisted from Bitfinex, ceasing trading on 26/03/21 at 9:00 AM UTC.
Monolith (TKN) what was formerly known as TokenCard is a debit card that enables the user to purchase goods or services with Ethereum and ERC20 tokens as they would do with a traditional fiat backed debit card. Payments made with Tokencard's TKN tokens are exempt from licensing fees, and holders of TKN are able to burn their tokens in return for a pro-rata share of collected licensing fees.