Hey, I'm Matt Work in payments, credit/debit card authorization and clearing for 6 years now.

email: matt@mattarkin.com

[ my public key: https://keybase.io/matthewarkin; my proof: https://keybase.io/matthewarkin/sigs/pgXbGbYwrLUNrV1uF7InbSAPkDV9pqf2Gl1MlPc3NgE ]