Bitcoin Policy Institute’s new brief argues that quantum computing advances are hastening the date when Bitcoin’s encryption could be seriously threatened. It also stresses that developers have already begun preparing for solutions.
Its report is titled ” Quantum Computing, Bitcoin’s Future and State of the PlayBitcoin Policy Institute points Google and California Institute of Technology released two papers on March 31, 2014 that they believe are important. reshape long-standing assumptions How much computing power is required to decrypt Bitcoin?
Years ago, it was estimated that 10 million qubits would be required for an attacker to compromise Bitcoin’s safety model. Bitcoin Policy Institute analysis of Google findings suggests that this threshold may be as low as 500,000qubits. Caltech University of California Berkeley and a different paper were involved in the study. indicates Specialized quantum systems can lower this requirement even further to between 10,000 and 26,000.
The Bitcoin Policy Institute notes that the two papers take different approaches—one emphasizing software efficiency and the other hardware design—but arrive at the same conclusion: the resource requirements for a quantum attack are declining.
The organization stresses that despite this shift, Bitcoin is not under immediate threat. The current quantum machines are far from the level of research. Google’s Willow processor operates at just under 100 qubits. This leaves a large gap between theoretical and practical capabilities.
Bitcoin Policy Institute interprets the results as an indication that the pace of preparation must be maintained. The report highlights efforts being made by the Bitcoin community to reduce long-term risk associated with quantum computing.
BIP-360 is at the heart of that effort. proposal The Bitcoin Policy Institute calls this one of the more active development areas in the history of the protocol. This proposal proposes a format for addresses that will prevent public keys being revealed during transactions. It eliminates an important vulnerability which quantum attackers can exploit.
Bitcoin Policy Institute points out that a March-launched testnet has attracted over 50 miners, and more than 100 cryptographs. The group claims that the level of participation reflects an alignment between technical contributors.
Bitcoin has a flexible architecture, according to the report. Taproot’s upgrade in 2021 will include features which can be used to verify quantum-resistant methods by using alternative spending conditions.
Bitcoin Policy Institute examines this issue beyond the Bitcoin eco-system, and in the context of broader public policy. The National Institute of Standards and Technology (NIST) finalized its post-quantum encryption standards in 2024 and provided tools for Bitcoin. The Federal Agencies have been given the deadline of 2035 to switch to quantum resistant systems. Google’s internal goal is 2029.
Bitcoin’s decentralized nature is challenging
Bitcoin Policy Institute emphasizes that Bitcoin’s structure is decentralized, which presents a unique challenge. In contrast to governments or companies, the Bitcoin network is not able to mandate upgrades. Changes must come about through consensus between participants.
The report does, however, point to previous upgrades as proof that coordination can be achieved. The Bitcoin Policy Institute claims that quantum security aligns incentives across the entire network because all parties are dependent on the integrity of the system.
According to the report, the timeframe is getting closer but there is no imminent threat. The Bitcoin Policy Institute believes that the technical solutions already exist and are now focusing on the way the network can reach agreement.
A new study was published yesterday proposal Avihu Lévy, StarkWare, is introduced “Quantum Safe Bitcoin” (QSB), is a system designed to prevent future quantum attacks on Bitcoin without changing the core protocol of the network.
It aims to safeguard against potential threats such as Shor’s algorithm, while maintaining compatibility with Bitcoin’s current system.
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Source: bitcoinmagazine.com
