Quantum computing is not currently an existential threat to Bitcoin, but as capital becomes more institutional and long-term, even distant risks require clearer answers.

For years, the conversation around quantum computing and cryptocurrency has been dominated by a single, breathless question: Will a quantum breakthrough kill Bitcoin? The fear is simple enough.

A long-simmering debate over quantum computing and Bitcoin security resurfaced this week after a public exchange between Adam Back, CEO of Blockstream, and ...