The rise of quantum computing has sparked concerns about the potential risks it poses to legacy blockchains. For XRP holders, experts believe that the cryptocurrency's architecture provides better protection against these threats than Bitcoin's. This is due to the XRP Ledger's open-source, decentralized blockchain 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 security.
In contrast, Bitcoin's lack of a key rotation feature and the large number of vulnerable addresses make it more susceptible to quantum attacks. While both cryptocurrencies have their vulnerabilities, experts note that XRP's design and features make it less exposed to these risks.