The recent advancements in quantum computing have sparked concerns about the potential threats to legacy blockchains. Experts suggest that XRP's architecture may provide better protection against these threats compared to Bitcoin. This is due to the XRP Ledger's account-based design and features such as key rotation, which allows users to change their signing key without moving funds.
Additionally, the escrow feature with a time lock provides an extra layer of protection. In contrast, Bitcoin's lack of key rotation and larger proportion of vulnerable transactions make it more susceptible to quantum attacks. While both XRP and Bitcoin have their vulnerabilities, the experts believe that XRP's design and features make it less exposed to quantum computing threats.