Get the latest crypto news, updates, and reports by subscribing to our free newsletter.
Giấy phép số 4978/GP-TTĐT do Sở Thông tin và Truyền thông Hà Nội cấp ngày 14 tháng 10 năm 2019 / Giấy phép SĐ, BS GP ICP số 2107/GP-TTĐT do Sở TTTT Hà Nội cấp ngày 13/7/2022.
© 2026 Index.vn
Green SM changes its brand from Xanh SM to Green SM. The Green Smart Mobility and Intelligent Transport Joint Stock Company (GSM) announced the brand change from Xanh SM to Green SM. The change aims to unify brand identity across the entire system and marks the company's three-year operation. In…
Could quantum computing break Bitcoin? Bernstein says the threat is credible, but the network still has a 3 to 5 year window to prepare. The key question for investors and developers in 2026 is how to reduce exposure and accelerate a transition to post-quantum security.
Recent advances in quantum computing have lowered the number of qubits needed to attack cryptographic schemes used by crypto assets such as ECDSA, which Bitcoin relies on. In a note published in April 2026, Bernstein characterizes the threat as credible while still manageable over the medium term.
Bernstein frames the risk as an upgrade cycle rather than an imminent crisis. While Google Quantum AI data suggests a quantum attack could theoretically succeed in under 10 minutes under ideal conditions, Bernstein emphasizes that such conditions are unlikely in the short term.
Bernstein highlights several technical steps Bitcoin would need to reduce vulnerability. These include private key rotation and moving away from reused addresses, which are described as among the most exposed to quantum-era risks.
The transition would also involve adopting post-quantum algorithms such as Lamport, Winternitz, or XMSS. Bernstein’s view is that these approaches would help secure transactions even against more powerful quantum computers.
Beyond engineering, Bernstein identifies a social and operational challenge: convincing Bitcoin holders to migrate to new standards. The note points to the time required for prior upgrades such as Taproot and SegWit, suggesting that user education and the availability of appropriate tools could make the transition take several years.
Quantum computing is presented as both a major challenge and an opportunity for Bitcoin’s security posture. With a 3 to 5 year window, Bernstein’s assessment implies that developers and investors will need to coordinate to prepare for the post-quantum transition.
Premium gym chains are entering a “golden era” that is ending or already in decline, as rising operating costs collide with shifting consumer preferences toward more flexible, community-based ways to exercise. Long-term memberships are shrinking, margins are pressured by higher rents and facility expenses, and competition from smaller, more personalized…
