Tom Honzik on Nostr: Who has a good resource for me to learn about the gobbledygook characters found in ...

Who has a good resource for me to learn about the gobbledygook characters found in the OP_RETURNS of most coinbase transactions?

And/or the gobbledygook characters found on the right side of the famous genesis block code display (along with “chancellor on brink..”)

I’m not even sure how best to Google this.