Tech giant Meta is working to prevent a “quantum apocalypse” that poses an imminent threat to modern encryption and cybersecurity standards across industries – including the cryptographic model used in blockchain technology.
Meta engineers have stressed that the risks posed by quantum computing are serious enough to warrant immediate attention, as finding a solution could take a long time given current technological limitations.
They also said that securing asymmetric encryption, which is used in blockchain technology, has become one of the company's top priorities in recent times.
The threat is lurking
Meta is actively working with standardization bodies such as NIST, ISO, and IETF to develop and standardize quantum-resistant cryptography (PQC) algorithms. This collaboration is necessary to ensure that algorithms are thoroughly evaluated and meet the highest standards of reliability.
The company is combining traditional cryptographic algorithms like X25519 with quantum-resistant algorithms like Kyber to develop hybrid cryptographic methods. This approach is intended to protect Meta's systems against both current and future threats from quantum computers.
Quantum computers have the potential to solve complex mathematical problems that current encryption methods rely on much faster than traditional computers. This could undermine the asymmetric encryption that relies on public and private key pairs used in blockchain technology.
A major concern is the possibility that hackers could store encrypted data today with the intention of decrypting it in the future when quantum computers are powerful enough. To counter this threat, a proactive approach to updating encryption systems is needed.
Implementing quantum-resistant encryption has its share of technical challenges. For example, Meta’s testing found issues with packet size and latency with the Kyber 768 public key. The company adjusted that by using a smaller Kyber 512 key to balance security and performance.
Meta is also facing challenges such as race conditions in multithreaded environments and ensuring browser support for new PQC implementations. Implementing hybrid key exchanges has revealed unforeseen issues, which Meta engineers are actively working to address.
The next phase for Meta is to protect external public traffic with PQC, which includes managing larger data sets and ensuring compatibility with existing technologies.
Meta’s proactive approach demonstrates the complexity and urgency of transitioning to quantum-resistant encryption. These efforts highlight the larger challenge of adapting to new technologies while maintaining robust security measures.
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