Quantum-Resistant Transaction Tests Have Begun on Solana: But There’s a Major Problem

Solana, which stands out as one of the fastest networks in the cryptocurrency ecosystem, and its foundation have taken a significant step in preparing for quantum computers, considered one of the biggest threats of the future.

The network began testing quantum-resistant signature systems in collaboration with the cryptography firm Project Eleven. However, initial results revealed that this technology comes at a significant performance cost.

According to tests, the new quantum-resistant digital signatures are approximately 20 to 40 times larger than those in existing systems. This directly impacts the network’s processing capacity. In the test environment, the Solana network running this new cryptography was reported to be approximately 90% slower. This raises a critical design dilemma for Solana, which is built on high speed and low latency: security or performance?

The potential for quantum computers to break current encryption systems has long been considered a theoretical risk. However, recent studies published by Google and academic research teams indicate that this threat may be closer than we thought. These developments have accelerated discussions about post-quantum cryptography, particularly in large networks like Bitcoin and Ethereum.

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Solana, however, has taken a proactive approach in this area, bringing theoretical discussions to a real-world testing environment. The Project Eleven team, led by Alex Pruden, modeled and tested how the network would behave if its current cryptography were replaced with quantum-resistant systems. The goal was not only to demonstrate that these systems work, but also to identify potential problems that might arise during scaling.

The test results point to significant risks not only on the performance side but also in the structural characteristics of the network. In Solana, the direct derivation of wallet addresses from public keys creates a larger surface area for quantum attacks. According to Pruden, this theoretically means that all wallets on the network could be targeted. He emphasizes this risk by stating, “A quantum computer could pick any wallet and try to decipher its private key.”

*This is not investment advice.

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