Getting my TOTP data out of Twilio's Authy app thanks to the GDPR

As every responsible Internet user, I use two-factor authentication (2FA) for my important accounts. For a long time, I depended on Google's Authenticator app, but because early versions of the app weren't backed up to the cloud (not a problem anymore) and because as a Google Android dogfooder I switch devices frequently, I turned to Twilio's Authy, which at the time already supported cloud backup and cross device synchronization. Authy has both iOS and Android apps, and also offered a desktop app, but for whatever reason they shut down the desktop app three years ago. Now every time I needed a token, I had to get one of my phones out. Annoying, but not annoying enough for me to actually switch away from Authy. I have 33 accounts in there, and unfortunately Authy offers no export option. For a while, you could hack your way to your data by installing an old version of their desktop app and sniffing the network traffic, but they eventually patched that loophole. Modern Android and iOS…