Absolutely. There is no evident connection that can be done from the double checkmark to a "secured communication". But when you think about it, the double che

Absolutely. There is no evident connection that can be done from the double checkmark to a "secured communication". But when you think about it, the double check is a read confirmation so if we are in an end-to-end encrypted scenario, and the message content was read, it means the recipient's device was able to decrypt it successfully. This tells you that the recipient is still using the same set of keys that your device thought it had and used to encrypt the message.