3 I propose to highlight that encryption is done at sender's location
source | link

WhatsAppThe sender will re-encrypt the message with the new credentials bound to the same number and re-send it.

WhatsApp protects from passive interception, but it does not protect against a man-in-the-middle or someone who hijacks the phone network.

Sad, really.

Ref:

WhatsApp will re-encrypt the message with the new credentials bound to the same number and re-send it.

WhatsApp protects from passive interception, but it does not protect against a man-in-the-middle or someone who hijacks the phone network.

Sad, really.

Ref:

The sender will re-encrypt the message with the new credentials bound to the same number and re-send it.

WhatsApp protects from passive interception, but it does not protect against a man-in-the-middle or someone who hijacks the phone network.

Sad, really.

Ref:

2 Added Ref Material
source | link

WhatsApp will re-encrypt the message with the new credentials bound to the same number and re-send it.

WhatsApp protects from passive interception, but it does not protect against a man-in-the-middle or someone who hijacks the phone network.

Sad, really.

Ref:

WhatsApp will re-encrypt the message with the new credentials bound to the same number and re-send it.

WhatsApp protects from passive interception, but it does not protect against a man-in-the-middle or someone who hijacks the phone network.

Sad, really.

WhatsApp will re-encrypt the message with the new credentials bound to the same number and re-send it.

WhatsApp protects from passive interception, but it does not protect against a man-in-the-middle or someone who hijacks the phone network.

Sad, really.

Ref:

1
source | link

WhatsApp will re-encrypt the message with the new credentials bound to the same number and re-send it.

WhatsApp protects from passive interception, but it does not protect against a man-in-the-middle or someone who hijacks the phone network.

Sad, really.