@mister_monster Blockchain? Not familiar with that honestly, but it doesn't require a phone number, email, or even a password. Just like Threema, it gives you a ID that can be used to add people. They say it runs through the tor network. Also decentralized.

Signal has many red flags in my opinion that I have no idea why people trust.

Centralized.

Requires phone number.

Based in USA.

Thats 3 things at LEAST.