Cardano founder Charles Hoskinson has outlined a strategy to secure the network in a post-quantum world.
In a Feb. 20 broadcast, he emphasized the urgency of adapting blockchain systems as quantum computing advances.
Hoskinson’s comments come as he praises Microsoft’s Majorana 1 quantum chip. The Cardano founder said the technology is one of the most significant advancements in quantum computing history
Microsoft CEO Satya Nadella described the chip as small enough to fit in the palm of a hand yet capable of solving problems beyond the reach of all the world’s current computers.
Cardano’s plan for Quantum security
Hoskinson stated that the network will introduce a proof chain that functions as an independent verification layer to prepare for this groundbreaking technology.
This additional security measure will leverage advanced cryptographic techniques, including Mithril certificates and post-quantum signatures, to maintain the integrity of past transactions.
However, Hoskinson noted that these solutions come with trade-offs, such as slower processing times and increased data requirements, which could introduce inefficiencies.
Nonetheless, he pointed out that the long-term objective is to integrate the proof chain into the main blockchain, transitioning from traditional elliptic curve cryptography to quantum-resistant alternatives.
He added that researchers are exploring new ledger models beyond the standard UTXO framework to enhance security and scalability.
Challenges and roadmap
Quantum computing is evolving rapidly, potentially outpacing cryptographic standards within the next decade.
Despite this urgency, post-quantum cryptography remains in its developmental stage, with multiple competing approaches, including hash-based and lattice-based encryption. To stay ahead of these challenges, Cardano will collaborate with industry experts and allocate significant resources to research.
Hoskinson furthered that while Cardano would prepare for this technology, the ecosystem would wait for industry-wide consensus before making significant modifications.
He noted that the quantum-resistant features could be introduced within the next few years, beginning with the proof chain, while fully adopting post-quantum security measures will take longer. However, research efforts will be a priority in the coming years to ensure the network remains resilient.
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