a decade of accepting Bitcoin for paragliding

Today marks the 10th anniversary of an important blog post. It was the announcement that I started accepting Bitcoin for paragliding tandem flights. I had interest in the nascent internet currency for a couple of months prior to that. And I felt that what was missing were places where people could spend their coins. Only […]

Why was second factor authentication watered down?

As far as I can remember, two factor authentication was used since the first time I used online banking with BBS like text interface over a 14.4bps modem. Back in the day the second factor was a printed list with numbered codes. The idea of using different factors is to prevent hackers form accessing your […]