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  The Team That Races to Save the Past Romania   | The architect Eugen Vaida grew up during a tumultuous time in Romania: after decades of communist dictatorship, a bumpy transition to a free market society left citizens economically desperate. When he was 16 in the mid-’90s, he witnessed fleets of cars, filled with antique furniture, ceramics and traditional costumes, leaving the country to be sold in the West. Outraged at this pillaging of the country’s heritage, he and his brother later began to collect or purchase whatever valuable objects they could find. Now, Vaida has greatly expanded this mission, turning it into his life’s work. In 2016, he founded the Ambulance for Monuments, starting with a truck, loaded with tools, that roamed Romania repairing neglected historical buildings and monuments with the help of volunteers. Five years later, Vaida has seven trucks, 500 volunteers and has saved 60 structures, including medieval churches, ancient windmills and castles. Vari...

What Is Bitcoin And How Does It Work? Not only is Bitcoin the first cryptocurrency, but it’s also the best known of the more than 5,000 cryptocurrencies in existence today. Financial media eagerly covers each new dramatic high and stomach churning decline, making Bitcoin an inescapable part of the landscape. While the wild volatility might produce great headlines, it hardly makes Bitcoin the best choice for novice investors or people looking for a stable store of value. Understanding the ins and outs can be tricky—let’s take a closer look at how Bitcoin works. What Is Bitcoin? Bitcoin is a decentralized digital currency that you can buy, sell and exchange directly, without an intermediary like a bank. Bitcoin’s creator, Satoshi Nakamoto, originally described the need for “an electronic payment system based on cryptographic proof instead of trust.” Each and every Bitcoin transaction that’s ever been made exists on a public ledger accessible to everyone, making transactions hard to rever...