Featured Post

8 Ways to Optimize AWS Glue Jobs in a Nutshell

Image
  Improving the performance of AWS Glue jobs involves several strategies that target different aspects of the ETL (Extract, Transform, Load) process. Here are some key practices. 1. Optimize Job Scripts Partitioning : Ensure your data is properly partitioned. Partitioning divides your data into manageable chunks, allowing parallel processing and reducing the amount of data scanned. Filtering : Apply pushdown predicates to filter data early in the ETL process, reducing the amount of data processed downstream. Compression : Use compressed file formats (e.g., Parquet, ORC) for your data sources and sinks. These formats not only reduce storage costs but also improve I/O performance. Optimize Transformations : Minimize the number of transformations and actions in your script. Combine transformations where possible and use DataFrame APIs which are optimized for performance. 2. Use Appropriate Data Formats Parquet and ORC : These columnar formats are efficient for storage and querying, signif

How does Marchant Initiate Voice Authentication When Card Not Present

Voice transaction is a method to pay the bills for a merchant at POS. The scenario is when you visit a Retailer where you purchased for Rs1000. You forgot to carry a card (Card is not present) with you but you remember card details. Then you can ask the merchant to use Voice authentication for completing the payment.


Credit Cards Domain: How Voice Transaction Works

About Voice Authentication

  1. After you start the call, the first step is you need to enter the merchant id. Usually, your Call goes to Card Issuer.
  2. Then you need to select an option like you are doing a transaction for the Credit card.
  3. You need to enter your card number and expiry date.
  4. Select the option for Card present or Card not present.
  5. Enter the amount you need to pay.
  6. Then Card issuer's call center provides you a 6 digit approval code. You need to tell the approval code to the merchant, and the merchant also will get a message. Then the merchant completes the transaction using the Voice approval code.

Notes: Sometimes Merchant Service provider also facilitates to get Voice authorization approval.

How Merchant gets Funds

  1. After the merchant gets an approval code from the customer, he has to enter customer details into the Merchant service provider system.
  2. A merchant also would need to enter the approval code.
  3. Merchant will submit the transactions to the service provider. So that the merchant will receive funds.

Also, Read

Comments

Popular posts from this blog

How to Fix datetime Import Error in Python Quickly

Explained Ideal Structure of Python Class

How to Check Kafka Available Brokers