For most of history, Oct. 31 has simply been observed as Halloween. But in 2008, the day took on new meaning for the digital world. On this day, an individual or a group of developers, using the pseudonym Satoshi Nakamoto, released a nine-page white paper that laid the foundation for Bitcoin (BTC). The rest, as they say, is history. Satoshi’s identity and whereabouts remain one of the internet’s greatest mysteries. Yet, if they are still around, the recent slide in Bitcoin’s price might be giving them a fright. Despite the decline, Satoshi still ranks among the world’s richest, wealthier than Mukesh Ambani, Michael ... (full story)