david wong

Hey! I'm David, the author of the Real-World Cryptography book. I'm a crypto engineer at O(1) Labs on the Mina cryptocurrency, previously I was the security lead for Diem (formerly Libra) at Novi (Facebook), and a security consultant for the Cryptography Services of NCC Group. This is my blog about cryptography and security and other related topics that I find interesting.

NP Complexity posted December 2013

Ahhhh, what is P, NP, NP-Complete and NP-hard. Found this quick explanation. Still reading on the subject. I feel like It might take me a lot of time until I can be able to explain that easily to someone who has no idea what it is.
true mastery of a subject is achieved when you can explain it simply
Here's a stackoverflow pretty simple explanation
A decision problem is in P if there is a known polynomial-time algorithm to get that answer. A decision problem is in NP if there is a known polynomial-time algorithm for a non-deterministic machine to get the answer.
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