How does Bitcoin work?
The virtual currency is decentralised, which is part of its appeal
More from The Economist explains
What do Greenlanders think of being bought?
Donald Trump’s desire for Greenland, and a shabby visit by his son, reignite the independence debate
What would Donald Trump gain from seizing the Panama Canal?
The president-elect claims the crossing is controlled by China and rips off American consumers
Where does Santa come from?
How a miracle-working Greek bishop, Dutch folk figure and early New York icon became the ubiquitous symbol of Christmas
Who are the main rebel groups in Syria?
They were united against the country’s dictator. Now they have little in common
Is RFK junior right to say America allows more toxins than the EU?
He is, but things are slowly beginning to change
What would it cost to kill coal?
The price of shutting down coal power, and what would be gained