The Quantum Problem Does Bitcoin have a quantum problem? The answer here is, yes. Specifically, some of the encryption on which bitcoin relies, notably ECDSA, is vulnerable to quantum computers. In reality the most exposed coins are those very old Satoshi coins (about 8% of the total supply), and those coins where people have reused

Vanguard (again) December 2024. We are never doing it. December 2025. We are doing it. I was impressed when they held the line last December and said no. Money talks though. Clients want the asset class, advisors want the asset class and Vanguard had no choice. We have had several months of ‘nobody wants bitcoin’