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But for many, like myself, blockchain technology is not about the hype shown by the volatility of cryptocurrencies like Bitcoin; it presents an opportunity to improve the world we live in, using smart computer science and innovative economics. Blockchain is the underlying technology behind many cryptocurrencies and is a distributed ledger that is immutable, allowing for transactions between two or more trustless parties to occur securely. Once blocks in the chain are verified, it is almost impossible to alter them after the fact.

But first, Xie had to win the trust of the local people. When he learned that some sick villagers would not go to a doctor for fear of racking up medical bills, Xie invited doctors to their homes and paid the bills himself. Xie set up a sheep farm and helped farmers sell directly to retailers to cut out middlemen.

But since 2016, New York City schools have been closed for Lunar New Year's – an important holiday celebrated by Asian-American communities across the city.

But one of the factors crucial to their development is access to an adequate, sustainable supply of energy.

But Qin sued the authority in the district court in December, saying the test process was not transparent and the smoke still made him uncomfortable.