G7 Warns Financial Sector to Prepare for Post-Quantum Cryptography Threat

The G7 Cyber Expert Group has issued a call to action for financial institutions to prepare for post-quantum cryptography, citing the growing threat of quantum computer attacks on current cryptographic algorithms. This shift is expected to be a long-term effort requiring extensive inventory and coordination.

According to the G7, major blockchains like Bitcoin, Ethereum, and Solana are still in early research and testing phases for quantum resistance, and have not yet been fully migrated. The group emphasizes the importance of preparation now to prevent vulnerabilities once quantum computing advances sufficiently.

The proactive approach aims to upgrade cryptographic systems embedded throughout blockchain infrastructure over a complex, multi-year process.