The advent of quantum computing has sparked concerns about the potential risks to blockchain security. Experts suggest that XRP's architecture may be better equipped to withstand these threats than Bitcoin's.
This is due in part to the XRP Ledger's ability to rotate signing keys without requiring a transaction, effectively changing the 'lock' on an account without moving funds. Additionally, XRP's escrow feature, which utilizes time locks, provides an extra layer of protection. In contrast, Bitcoin's lack of key rotation and larger proportion of vulnerable accounts make it more susceptible to quantum attacks.
While the threat is still largely theoretical, the differences in design may give XRP an edge in terms of security.