The rise of quantum computing has sparked concerns about the potential vulnerability of blockchain systems, including XRP and Bitcoin. Experts suggest that XRP's architecture may provide better protection against quantum threats due to its account-based system and features like key rotation. This is in contrast to Bitcoin, where a larger portion of its supply may be at risk. The XRP Ledger's design allows for the rotation of signing keys without moving funds, providing an additional layer of security.
Furthermore, the escrow feature with time locks offers another defense mechanism. In comparison, Bitcoin's lack of a key rotation feature and the exposure of public keys in early transactions make it more susceptible to quantum attacks. While both cryptocurrencies face theoretical risks, the scale and nature of these threats differ, with XRP potentially being less exposed.