I am Chief Cryptographer at Ripple and one of the architects of the Ripple payment system.
27 How important is NAT as a security layer? nov 9 '11
12 Why do DDoS attacks cost a fortune to stop? apr 4 '12
10 How to respond to attack made from my dedicated server? aug 24 '11
10 Why do browsers warn about mixed content for images? jul 13 '12