Consider E-wallets require customers and merchants to sign up and create accounts, then deposit and withdraw money from linked bank accounts. E-wallets like PayPal is very popular in the worldwide.  1. Show the State Transition Diagram of the deposit and withdraw money from linked bank accounts in E-wallets system.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Q. Consider E-wallets require customers and merchants to sign up and create accounts, then deposit and withdraw money from linked bank accounts. E-wallets like PayPal is very popular in the worldwide. 


1. Show the State Transition Diagram of the deposit and withdraw money from linked bank accounts in E-wallets system.
2. If a malicious entity accesses an E-wallet system then describe the state transition diagram to terminate the malicious entity’ access.
3. Show the types of processes and threads involved in E-wallet system through a diagram.
4. Describe the cache coherency in the E-wallet system.

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