The rise of quantum computing has sparked concerns about the potential risks to blockchain security. Experts suggest that XRP's architecture may be better equipped to handle these threats than Bitcoin's.
XRP operates on the XRP Ledger, a decentralized, open-source blockchain, and is used by fintech firm Ripple for cross-border transactions. A key difference between XRP and Bitcoin lies in their exposure to quantum attacks. The XRP Ledger's validator, Vet, conducted an audit and found that around 300,000 XRP accounts, holding 2.4 billion XRP, have never sent funds and thus have not exposed their public keys to the network.
These accounts are considered quantum-safe by default. In contrast, Bitcoin's blockchain has a larger portion of vulnerable accounts, with approximately 6.9 million BTC at risk, equivalent to nearly 35% of its circulating supply. The XRP Ledger's key rotation feature allows users to swap their signing key without moving funds, reducing the risk of quantum attacks. Additionally, the escrow feature with a time lock provides an extra layer of protection.
While Bitcoin developers are working on proposals to develop quantum resistance, XRP's current design appears to offer greater protection against these potential threats.