In order to make an online transaction possible and successful, it has to go through seven layers to secure it which is known as protocol layers.

The transaction has to go through these layers starting from Application layers -> Presentation Layers -> Session Layers -> Transport Layers -> Network Layers -> Data Link Layers -> Physical Layers.

Similarly, a TerraGreen transaction has to go through certain protocol layers which protects and secure the transactions from hackers and scammers.