The seed phrase for a crypto wallet.

How would that do anything? Wouldn't the Blockchain be wiped out by such an event?

Blockchain is much more resilient than regular databases. There are thousands of copies of it across the globe, some are stored deep underground, and even some were launched into the space, I believe.

Yea likely so. I'm not sure why GP posted this other than as a joke. I am just answering what the 12 words were referring to IMO.