Ref: https://events.ccc.de/camp/2019/wiki/Session:Payment_Systems_in_India_(Rescheduled)
reserve bank of india
Total More than 1500 banks.
Public=Govt is majority owner
natonal payments corporation of india
(not a government entity)
(might be a few years old)
(PoS = Point of Sale)
Bank-Bank transfer
(Things that are currency, but not really currency)
bank account -> wallet
your wallet = ledger
Unified Payments Interface
effect=explosions
## cbs core banking system ---