The evidence strongly supports the truthfulness of the statement. Multiple relevant and authoritative sources corroborate that Coinbase CEO Brian Armstrong has publicly stated that Bitcoin is beneficial for the U.S. Dollar. Specifically, one source provides a direct quote from Armstrong's own social media account: "Bitcoin is good for USD. It creates competition in a way that's healthy for the dollar, which helps to provide a check and balance." Two other sources, both from the major cryptocurrency news outlet Cointelegraph, report the same statement, adding that Armstrong's reasoning is that Bitcoin acts as a 'check against inflation and deficit spending.' While the exact phrase 'strengthen the U.S. Dollar' isn't used in the provided quotes, the meaning of his statements—that Bitcoin provides a 'healthy' check and balance and is 'good for USD'—is functionally equivalent to the claim. The evidence is consistent across multiple sources, with no contradictions found. The irrelevant sources do not detract from the weight of the direct, corroborating evidence presented.