31.07.2025 03:53
A Mysten Labs report highlights a significant vulnerability within the cryptocurrency ecosystem: the susceptibility of blockchain security to the advancements in quantum computing. The report, published recently, emphasizes the stark contrast in preparedness between different blockchain networks facing the imminent threat of Shor's algorithm, which could potentially crack private keys safeguarding trillions of dollars in digital assets.
Crucially, the study reveals that blockchains utilizing the EdDSA signature scheme, including Solana, Sui, and Near, possess a considerable advantage. Their architecture offers a smoother transition path towards quantum resistance, simplifying the upgrades necessary to mitigate the risks. In contrast, legacy blockchains such as Bitcoin and Ethereum, which depend on the ECDSA system, confront substantially greater challenges. Implementing post-quantum defenses necessitates overcoming complex cryptographic and logistical hurdles.
The urgency of this situation is amplified by the increasing adoption of Bitcoin by governments and corporations, creating substantial digital asset treasuries. Kostas Chalkias, co-founder and Chief Cryptographer at Mysten Labs, underscored the growing pressure to meet these emerging security standards. He highlighted government mandates globally aiming to deprecate classical algorithms like ECDSA and RSA by 2030 or 2035, emphasizing the necessity for post-quantum cryptographic standards in blockchains handling sovereign assets, national treasuries, and other crucial financial instruments.
EdDSA, a modern alternative, offers superior security by eliminating vulnerabilities inherent in ECDSA, such as weaknesses stemming from random number generation, nonce reuse, and side-channel attacks. Its simpler implementation also makes upgrades significantly less burdensome. However, both Bitcoin and Ethereum will eventually require a complete overhaul to their core cryptographic infrastructure to adopt quantum-resistant algorithms and ensure the long-term safety of their users' assets. The implications for these major networks are substantial and far-reaching. The report, obtained from internet sources, underscores the critical need for proactive measures to secure the future of the cryptocurrency landscape.
