In 2016, the early Bitcoin developer and former Google engineer Mike Hearn called Bitcoin a failed experiment, citing many of its flaws:[412] Low capacity: about 3 transactions per second. Highly unpredictable fees and waiting times, especially in periods of high demand. Remarkable centralization in the hands of a few (mostly Chinese) miners, who in Hearn’s view refuse to make changes that would make Bitcoin more popular because that would eat into their mining profits. The community’s inability to agree on anything — including a popular amendment to grow the block size, or the number of
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