What is online txn?

Excuse me, could you please clarify what you mean by 'online txn'? Are you referring to online transactions, which are financial exchanges conducted via the internet? If so, online transactions encompass a wide range of activities, including online purchases, digital payments, money transfers, and even cryptocurrency trades. These types of transactions have become increasingly popular in recent years due to their convenience, speed, and global reach. However, it's important to note that conducting online transactions also comes with risks, such as fraud and identity theft, so it's crucial to take appropriate security measures to protect yourself and your funds.