Block says it has finished the development of its own 3nm bitcoin mining chip and is working through the design with a "leading global semiconductor foundry" (MacKenzie Sigalos/CNBC)

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Victoria Song / |
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Victoria Song / |
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Emilia David / |
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Emanuel Maiberg / |
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Kashmir Hill / |
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Quentyn Kennemer / |
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MacKenzie Sigalos / |
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Jacob Ridley / |
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Shirin Ghaffary / |
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Ingrid Lunden / |
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Carl Franzen / |
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