I will add what I wrote on a different thread PGP is used very heavily on online drug marketplaces. You really can't use Signal or WhatsApp there - leaking too

I will add what I wrote on a different thread PGP is used very heavily on online drug marketplaces. You really can't use Signal or WhatsApp there - leaking too much metadata - and even OTR is leaking too much data. PGP is quite good for this, and people use it for encoding their communication.