Signal already does use SGX for quite a bit: https://signal.org/blog/private-contact-discovery/ https://signal.org/blog/private-contact-discovery/ Some people

Signal already does use SGX for quite a bit: https://signal.org/blog/private-contact-discovery/ https://signal.org/blog/private-contact-discovery/ Some people here (and elsewhere) have pointed out this recent tendency of Signal to put a lot of eggs in the same SGX basket. I hope they take a closer look at the risks of this strategy.