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Block Size War

BlackRock sparks Bitcoin 21M debate, saying ‘no guarantee’ it won’t change

One Bitcoin developer argues that any change to Bitcoin’s fixed supply, while theoretically possible, wouldn’t be considered “Bitcoin” anymore.

The debate over whether Bitcoin’s 21 million supply cap is truly fixed has resurfaced after BlackRock posted a three-minute Bitcoin explainer video, which added a disclaimer saying there’s no guarantee it won’t be changed.

Bitcoin’s fixed supply is one of its strongest propositions as a store of value, and uncapping it would impact how investors view the cryptocurrency.

In the Dec. 17 video, BlackRock explained that Bitcoin has a fixed supply of 21 million, adding that the “hard-coded rule controls supply, purchasing power and helps avoid the potential misuse of printing more and more currency.” 

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