Bitcoin and Theoretical Computer Science (guest post by Eli Ben-Sasson)

[This is a guest post by Eli Ben-Sasson, mentioning only some of the fascinating TCS connections to crypto-currencies. If you're interested in more then you should check out the TheoryFest talks that Eli mentions. --Boaz] What is Bitcoin? Why should TCS care? Eli Ben-Sasson In Crypto We Trust You probably heard of Bitcoin, the crypto-currency … Continue reading Bitcoin and Theoretical Computer Science (guest post by Eli Ben-Sasson)

TheoryFest update

[Guest post by Sanjeev Arora. Action items: register, book your hotel and flight, and consider submitting a poster.] ACM Symposium on Theory of Computing Is morphing this year into a 5-day Theory Fest, as announced earlier. This is going to be a new and exciting kind of event for the theory community, with talks covering a … Continue reading TheoryFest update

On “external” definitions for computation

I recently stumbled upon a fascinating talk by the physicist Nima Arkani-Hamed on the  The Morality of Fundamental Physics. ("Moral" here is in the sense of "morally correct", as opposed to understanding the impact of science on society. Perhaps "beauty" would have been a better term.) In this talk, Arkani-Hamed describes the quest for finding scientific theories … Continue reading On “external” definitions for computation

The immigration ban is still antithetical to scientific progress

By Boaz Barak and Omer Reingold President Trump had just signed a new executive order revising the prior ban on visitors from seven (now six) muslim-majority countries. It is fundamentally the same, imposing a blanket 90-day ban on entry of people from six countries, with the conditions for lifting the ban depending on the cooperation of these … Continue reading The immigration ban is still antithetical to scientific progress