Simplify the following text for a Grade 11 native English-speaking person.
Original: In cryptography , a trusted third party ( TTP ) is an entity which facilitates interactions between two parties who both trust the third party ; The Third Party reviews all critical transaction communications between the parties , based on the ease of creating fraudulent digital content .
Simplified: In cryptography , a trusted third party ( TTP ) is an entity which makes interactions between two parties easy .