Quantum computing is moving from theory to timeline, and the crypto industry is now on the clock. Google publicly set a potential deadline of 2029 to move its system into post-quantum cryptography.
The threat isn’t just future, it’s already here
Google is treating quantum computing as the need of the hour, instead of a concern of the future. The company announced a formal timeline for moving its entire infrastructure to post-quantum cryptography (PQC) by 2029, stating that the future of the quantum frontier “may be closer than they appear.”
The PQC is a digital security system built to protect your data from cyberattacks involving quantum computers, which have the power to break the current levels of encryption. Google claims to work towards securing the quantum era.
“This new timeline reflects migration needs for the PQC era in light of progress on quantum computing hardware development, quantum error correction, and quantum factoring resource estimates,” the official blog by Google VP of Security Engineering Heather Adkins and Senior Cryptography Engineer Sophie Schmieg stated.
Google’s quantum deadline could be a wake-up call for bitcoin
According to Google, quantum computers will be a significant threat to current cryptographic standards and, specifically, to encryption and digital signatures.
Bitcoin runs on an elliptical curve cryptography (ECDSA) signature, a security method built using the math of graph designing “unbreakable” digital locks. This is similar to the same math used in quantum computers.
A cybersecurity and crypto-focused startup, Project Eleven has been working towards ‘securing digital assets for the post-quantum era’. According to them, over $6.8 million Bitcoins ($470 billion) could be in addresses most vulnerable to quantum attacks.
Experts thought it would require powerful quantum bits (qubits) of over 20 million qubits to crack systems like Bitcoin. But a recent study shows it might take only over 100,000 qubits.
According to a study, Quantum Computers have climbed up in growth ten times faster in the last five years.
The timeline may be moving faster
Google doesn’t predict the era of quantum engineering by 2029; rather, the company is planning ahead.
Google announced that Android 17 will use ML-DSA, a Digital Signature Algorithm, a NIST-standardized post-quantum digital signature algorithm, to lead PQC integration.
“The threat to encryption is relevant today with ‘store-now-decrypt-later’ attacks, while digital signatures are a future threat that requires the transition to PQC prior to a Cryptographically Relevant Quantum Computer (CRQC),” the blog read.
Google is implementing PQC across Google Cloud and its internal systems. Hence, the target date is not random but a thoughtful one. Brands like IBM are also working toward fault-tolerant quantum systems on a similar timeline. Hence, 2025 has emerged as a turning point in the long race.
Ethereum network prepares for quantum threat
Right after Google’s announcement, the Ethereum Foundation announced its new cryptographic roadmap to protect against quantum threat. The firm launched pq.ethereum.org on Wednesday, a dedicated hub for resources necessary for the protocol’s post-quantum security efforts.
With the new plans in position, the network will have to migrate a decentralized protocol, which would essentially take years of coordination, engineering, and formal verification at every layer of it.
According to reports, going gradually across three layers, Ethereum would add built-in tools to support quantum-resistant signatures at its execution layer, and it would replace its current validator signatures with quantum-safe ones that are harder to break at its consensus layer.
At the data layer, post-quantum cryptography also applies to how blobs or temporary data attached to the network are managed for data availability.
A deadline cryptocurrency didn’t set
Bitcoin’s decentralized governance typically means that no centralized power can alone change the plans for the network. The network is built by many, including miners, wallet developers, exchanges, and millions of individual users, who would all need to move simultaneously.
Google can set a timeline and a deadline, unlike Bitcoin, as it holds its own infrastructure. The asymmetry is exactly what makes Google’s announcement a matter for crypto. For decentralized networks, the speed of coordination may prove as critical as the technology itself.
Beyond that, Quantum computers are believed to eventually break public-key cryptography and even consensus mechanisms, according to media reports.
