The recent advancements in quantum computing have sparked concerns about the potential risks to blockchain security. Experts suggest that XRP's architecture may provide better protection against quantum attacks than Bitcoin's. This is due to the XRP Ledger's features, such as key rotation, which allows users to change their signing key without moving funds, and escrow, which locks funds for a specified time period. A recent audit found that around 300,000 XRP accounts, holding 2.4 billion XRP, have never sent any funds and are therefore quantum-safe.
In contrast, Bitcoin's lack of key rotation and larger number of vulnerable accounts make it more susceptible to quantum attacks. While Bitcoin developers are working on proposals to develop quantum resistance, XRP's existing features may give it an advantage in terms of security.