steemitboard (66)in #blockchain • 5 years agoRE: Mastercard patents a system for instant processing of payments on the blockroomCongratulations @osbzhb! You received a personal award! Birthday! - You are on the Steem blockchain for 2…steemitboard (66)in #blockchain • 6 years agoRE: Mastercard patents a system for instant processing of payments on the blockroomCongratulations @osbzhb! You have received a personal award! 1 Year on Steemit Click on the badge to view…hennessy (57)in #blockchain • 7 years agoRE: Mastercard patents a system for instant processing of payments on the blockroomit could be very interesting