Explanation:

- Option 1: NEFT

- NEFT stands for National Electronic Funds Transfer.

- It's used in India for transferring funds between banks.

- Option 2: RTGS

- RTGS stands for Real Time Gross Settlement.

- This method is used for transferring large sums of money instantly within a country.

- Option 3: UPI

- UPI means Unified Payments Interface.

- It allows instant money transfers in India with a mobile number or QR code.

- Option 4: IMPS

- IMPS stands for Immediate Payment Service.

- Offers instant 24/7 interbank electronic funds transfer in India.

- Option 5: Blockchain

- Blockchain is the technology behind Bitcoin.

- It's a decentralized ledger that records all transactions in a secure and transparent way.