In the Fight Against Extremism, Don’t Demonize Surveillance-Busting Tools like Signal and Bitcoin

In the past few weeks, millions of Americans have joined Signal, a free open-source encrypted chat app. Users are fleeing from WhatsApp in droves, sparked by a pop-up disclosing that the messenger will share personal data with Facebook, and by broader concerns over big tech in the wake of the Jan. 6 riot at the Capitol.