What would bitcoin's old doomsayers need to see to change their minds?

Research question: What do critics who predicted bitcoin's collapse say they would need to see before changing their minds?

The records show that Binance founder Changpeng Zhao said Peter Schiff will be right about Bitcoin only after he changes his mind ¹. Zhao's remark targets the idea that Schiff's long record of calling for Bitcoin's collapse would be vindicated only if he drops the thesis entirely ². The facts do not report any collapse predictor stating what evidence would change their own minds, so the question is only partly answered. The newest facts are dated Oct. 19, but no year is given, so their recency relative to October 2026 cannot be confirmed ¹².

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