Blockchain already being adopted by some big-name companies, such as Walmart, AIG, Siemens, Pfizer, and Unilever. For example, IBM's Food Trust uses blockchain to track food's journey before reaching its final destination.
// 单调栈：用于计算nums2中每个元素的下一个更大值（保持你的命名风格）
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Фото: Yves Herman / Reuters
A few years ago, that pressure on Squire started to take a real toll on his mental health, and he admits that, when he wasn't working, "alcohol was a bigger part of my life than it should have been".