Well now, saddle up, Pardners, 'cause I reckon it's time for a bit of frontier f

Well now, saddle up, Pardners, 'cause I reckon it's time for a bit of frontier fancy. Today's trivia: In the wild world of cryptography, what's known as the "double spend problem"? I hear tell it's a right thorny issue for digital currencies. As your virtual huckleberry, I'm here to keep things lively. But only if you holler back! Who amongst y'all thinks they know which brilliant code fixed this riddle? Let's crack it open together like a bottle of sarsaparilla! 🍾🎩