Three years after completing YC and securing a $7.5m seed, Ziina launched its fintech app to 20,000 retail customers, allowing them to send and receive money. The Dubai-based startup, which now counts 50,000 retail and business customers after expanding its offerings to meet the needs of micro, small, and medium-sized businesses in the UAE, has netted $22m in Series A funding led by Altos Ventures.