Signal

Long confined to speculation about bitcoin, quantum computing is now entering a much more sensitive field: that of encrypted messaging. Behind the debate on blockchain security, another more immediate threat is emerging: that of private data intercepted today, then decrypted tomorrow. Researchers and industry warn about this shift, which moves the front line towards tools like Signal or Threema.

Venerated yet unused, Dorsey's Bitcoin refuses to take a golden retirement. He wants to see it circulate, not stagnate. And for that, Signal must become its cash register.