How Visa works Can you design a scalable file access system like dropbox or google drive?

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Visa is a payment processing company that facilitates electronic funds transfers globally.

Visa operates a network that connects financial institutions, merchants, and consumers worldwide.
The company provides payment products and services, including credit and debit cards, prepaid cards, and digital wallets.
Visa's payment processing system involves authorization, clearing, and settlement of transactions.
To design a scalable file access system like Dropbox or Google Drive, one would need to consider factors such as data storage, synchronization, and access control.
Examples of technologies that could be used include cloud storage, distributed file systems, and encryption.
The system would need to be designed to handle large volumes of data and support multiple users accessing and modifying files simultaneously.

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