Which Swedish furniture giant's founder, Ingvar Kamprad, was famously frugal despite being one of the world's richest people, reportedly driving an old Volvo for decades?

What was the name of the digital cash system created by David Chaum in 1989, often considered the first attempt at electronic money?

🗳 29 votes

Which sunken Spanish galleon, discovered off Colombia in 2015, is often called the 'holy grail of shipwrecks' due to its estimated $17 billion treasure?

🗳 26 votes