BitNational CryptoATMs accept Canadian dollar bills of any denomination at purchase. The initial bill must be a $20 denomination or larger ($20, $50, $100) and subsequent bills can be any denomination ($5, $10, $20, $50, $100).
BitNational CryptoATMs also dispense Canadian Dollar bills following a crypto withdrawal for cash redemption.
Please also see the list of Supported Crypto at BitNational CryptoATMs.