ROOTCON 12 Electronic Badge
Philippine official badge and maker-post electronic-badge record
ROOTCON's official archive places ROOTCON 12 at Taal Vista Hotel in Tagaytay on September 27-28, 2018, the official quick guide says registration included an official ROOTCON badge, and Jay Turla / @shipcod3 preserves a public maker post titled ROOTCON 12 Electronic Badge.