How many copies of a payment transaction are stored?

Just out of curiosity I wanted to know approximately how many copies of a payment transaction is stored in total across all entities and purposes.

Interesting to note that from below calculation there can be more than 60 copies of each payment transaction. So we consume 60 times the storage capacity required to store 1 payment transaction.
And because most of the enterprises have DR (Disaster Recovery) the storage requirement doubles from 60+ times to 120+ times.


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