Apple
The fastest way to reach me is through Apple’s end-to-end encrypted channels. Both options work across iPhone, iPad, and Mac — no account setup required beyond your Apple ID.
iMessage Contact Key Verification provides additional security by helping to detect sophisticated threats against iMessage servers and allowing you to verify that you’re messaging only with the people that you intend.
To verify my contact key: open our iMessage thread on your device, tap my name at the top, scroll down to Contact Key Verification, and compare the key shown with the one above. A mismatch means something is wrong — don’t send anything sensitive until it resolves.