Ava Labs' co-founder highlighted concerns about Bitcoin's vulnerability to quantum computing, which could potentially compromise its cryptographic security. While quantum computers are not yet capable of breaking Bitcoin's SHA-256 encryption, advancements in the technology could make it possible to exploit private keys or alter mining processes in the future. Bitcoin's elliptic-curve cryptography is more resilient than traditional RSA encryption but may require updates to quantum-resistant algorithms. Researchers are exploring solutions like quantum-safe cryptographic protocols and blockchain modifications to preemptively address these risks, ensuring long-term security for decentralized systems.