Chrome requires certs to be published in CT to trust it[0], since chrome 68[1]. Because of this, I would believe CT is widely adopted. [0]: http://www.certific

Chrome requires certs to be published in CT to trust it[0], since chrome 68[1]. Because of this, I would believe CT is widely adopted. [0]: http://www.certificate-transparency.org/certificate-transparency-in-chrome http://www.certificate-transparency.org/certificate-transpar... , Certificate Inclusion Check [1]: https://groups.google.com/a/chromium.org/forum/#!msg/ct-policy/Qqr59r6yn1A/2t0bWblZBgAJ https://groups.google.com/a/chromium.org/forum/#!msg/ct-poli...