Eventbrite doesn’t (yet) support ticket sales using Bitcoin. We’ll have the ability to purchase tickets using Bitcoin here on http://porcfest.com as soon as we can, but in the meantime you can use a credit card over at https://porcfest.eventbrite.com. When we’re ready to start accepting Bitcoin, we’ll update here and post on Facebook (http://www.facebook.com/PorcFest) and Twitter (http://twitter.com/PorcFest).