The FreePKI project aims to create practical, interoperable & free code and services for Certificate and Registration Authorities based on the X.509 standard, including nearly zero-cost ID verification through a PGP-like web of trust scoring system.
The goal of Operation Project X is to crack the 2048-bit RSA private encryption key Microsoft uses to sign Xbox media, by using distributed computing. This key could be used by Xbox owners to run homebrew code on their machines.