币界网报道：Bitcoin is now a teenager, and there's a growing appetite for memorabilia from its early days. Like when an unsealed, first-generation iPod hits the market, bidders go absolutely berserk and end up paying thousands of dollars for sentimental value. We look at five of the biggest (and craziest) crypto-related auctions of all time, including a "Buy Bitcoin" sign that sold for $1 million, an epic sat selling for $2.1 million, extraordinary Ordinals selling for $450,000, Beeple breaking records with his $69.3 million NFT sale, and real-life Bitcoin coins selling for over $100,000.