2010年5月，一位早期的加密货币爱好者用比特币买了两个披萨。他花了一万个比特币，当时约合40美元。结果这成了历史上最昂贵的晚餐。单个比特币的价格已在12月4日突破10万美元，对这个实验性金融产品来说是一个引人注目的里程碑，它曾被嘲笑为小打小闹和一时的时髦。而那两个披萨，用今天的价格计算价值10亿美元。

In May 2010, an early cryptocurrencyenthusiast used Bitcoin to buy two pizzas. Hespent 10,00o Bitcoins, or roughly 4o dollars atthe time. It has turned out to be the mostexpensive dinner in history. On Wednesday, theprice of a single Bitcoin rose to more than100,000 dollars, a remarkable milestone for anexperimental financial asset that had once beenmocked as a sideshow and a fad. The total costof those pizzas today: one billion dollars.