The work they're talking about in that sentence[0] launched ~2 months before Let's Encrypt was publicly announced, and almost a year before Let's Encrypt signed

The work they're talking about in that sentence[0] launched ~2 months before Let's Encrypt was publicly announced, and almost a year before Let's Encrypt signed their first certificate. So no, this was a separate effort. [0] https://blog.cloudflare.com/introducing-universal-ssl#:~:text=we%27ll%20have%20doubled%20that https://blog.cloudflare.com/introducing-universal-ssl#:~:tex...