4 ms·> It may be that Signal pioneered E2EE chat Also false. XMPP OTR existed long prior.by enedil 3y ago> It may be that Signal pioneered E2EE chat Also false. XMPP OTR existed long prior.bjord 3y agoI think the question is who popularized it. Arguably, Signal did, by bringing it (both via its own app and via its protocol) to the masses.timbit42 3y agoThe question is who 'pioneered' it, not who 'popularized' it.