Bitcoin Quantum Security: Adam Back Predicts Minimal Threat for 20-40 Years

Bitcoin’s long-term security is bolstered by the fact that its vulnerability to quantum computing, according to Adam Back, CEO of Blockstream, is minimal for at least 20 to 40 years. He highlights existing post-quantum cryptographic algorithms and their potential integration before quantum computers pose a significant threat to current Bitcoin security measures. Back’s statements align with widely accepted cryptographic expertise. The article discusses these findings in detail as the CEO addressed concerns about quantum computing on November 15, 2025.