A recent study by Google Quantum AI, in collaboration with academic researchers and the Ethereum Foundation, has raised alarms about the potential for quantum computers to compromise blockchain cryptography sooner than anticipated. The research warns that elliptic curve cryptography, which underpins Bitcoin and Ethereum, could be cracked in minutes by advanced quantum computers, posing significant risks to blockchain security. The XRP Ledger is highlighted in the study for its proactive steps towards quantum resistance. It is one of the few blockchains actively experimenting with post-quantum cryptography, including key rotation and testing of ML-DSA signatures. These efforts are crucial as blockchains increasingly secure tokenized assets, with XRP Ledger being notably active in this area. The report underscores the urgency for blockchains to adopt quantum-resistant measures as they handle more value. The study also notes that blockchains like Solana and Ethereum may face higher risks due to their design, which exposes public keys and relies on older account structures. In contrast, XRP Ledger's built-in key rotation offers a degree of protection, allowing users to update cryptographic keys without losing accounts, marking an important step towards future-proofing against quantum threats.