The largest merchant acquirers worldwide of general purpose credit, debit and prepaid card transactions handled in calendar year 2020 are listed here. Figures include consolidated purchase transactions of all global and domestic card brands. Of those listed, 58 handled more than 1 billion purchase transactions. New to the top 150 were Tyro (Australia), Credorax (Malta), and JCC Payment Systems (Cyprus). Total transactions of 354.83 billion processed by the top 150 in 2020 were up 2.8% from 2019. JPMorgan Chase’s market share among the top 150 went up to 10.0% from 9.4%. Russia-based Sb...