Blockchain is used in cryptocurrency systems to ensure secure, decentralized records of transactions.
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Гангстер одним ударом расправился с туристом в Таиланде и попал на видео18:08
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He had persuaded his science teacher to help him make a makeshift rocket. Somehow, he had managed to get his hands on the ingredients for gunpowder - potassium nitrate, sulphur and charcoal.