The Kreuzberg neighborhood of Graefekiez boasts the world’s highest density of businesses that accept the virtual currency bitcoin. As Rachel Stern reports, the decentralized digital money is increasingly being used for social good in Berlin.
One of the bi-weekly bitcoin meetups at Betahaus (credit: Nick Simpson).
Floor's Cafe Owner Florentina Martens paying with the bitcoin on her phone. (Credit: Nick Simpson)
Berlin's Room 77 is famed for being one of the first businesses in the world to accept bitcoin (credit: flikr creative commons: .schtieF)