This is very slow many countries have done something similar a long time ago:

Mir (Russia)

China UnionPay (CUP)

RuPay (India)

Elo (Brazil)

Interac (Canada)

BKM (Turkey)

Verve (Nigeria)

JCB (Japan)

Mada (Saudi Arabia)

Zapper (South Africa)

Naps (National Payment System) (UAE)