Justin Sun Expresses Concerns Over Bitcoin's Future Amid AI and Quantum Risks

Justin Sun, the founder of TRON, has recently expressed a more bearish outlook on Bitcoin, highlighting potential risks posed by advancements in artificial intelligence (AI) and quantum computing. In a discussion with William Joy, Sun emphasized that investors holding Bitcoin through exchange-traded funds (ETFs) may not have fully accounted for these emerging threats.

Sun pointed out that breakthroughs in AI mathematics could enable classical computers to undermine existing cryptographic protections before quantum computing reaches its full potential. He stated, “If you ask about my personal view, I am currently slightly more bearish. The reason is straightforward: the algorithm evolution of AI and the issue of QD (quantum computing). I believe it will be difficult for BTC to walk away unscathed from this.”

While current quantum machines are not yet capable of breaking Bitcoin's cryptography, research timelines are accelerating. A recent estimate from Google Quantum AI suggests that fewer than 500,000 physical qubits could potentially break Bitcoin's security by March 2026, a significant reduction from earlier projections. Furthermore, Google has made strides in quantum computing, recently demonstrating a 40-fold reduction in error rates with its Willow chip.

Sun also highlighted the vulnerability of Bitcoin, noting that approximately 31.2% of mined Bitcoin, or about 6.04 million BTC, is held in addresses with publicly visible keys, making them susceptible to future quantum attacks. He warned that if quantum decryption becomes a reality, it could lead to significant market disruptions, with the potential for over 2 million BTC to be sold off.

Coinbase has also weighed in, urging the crypto community to prepare for the eventual arrival of cryptographically relevant quantum computers, emphasizing the need for consensus changes and ecosystem migrations that could take years to implement.

Sun's remarks contribute to ongoing discussions among institutional investors and developers regarding the long-term implications of cryptographic vulnerabilities in Bitcoin, even as the cryptocurrency continues to be influenced by various market factors.