ability to send transactions only to whitelisted addresses..

Had a copy - paste malware on my PC and i almost sent my txn to the wrong address.
Its good to have a feature to send our txns to addresses which are only whitelisted... This would prevent a hacked wallet to be safe as well...
Even simpler ways could be are to add a 4pin key to confirm transaction or a 2FA authentication.

No files, tests, or entry points are identified in the issue. First clarify whether the requested feature is address whitelisting, a PIN, 2FA, or a combination, then define the transaction flows and security requirements that would establish completion.

Written by the indexing model from the issue text.