#GateSquareAprilPostingChallenge As one of the fastest networks in the cryptocurrency ecosystem, Solana's foundation has taken a significant step in preparing against quantum computers, which are seen as one of the biggest threats to the future.

The network has partnered with cryptography firm Project Eleven to begin testing quantum-resistant signature systems. However, initial results revealed that this technology incurs a substantial performance cost.

According to the tests, the new quantum-resistant digital signatures are approximately 20 to 40 times larger in size compared to current systems. This directly impacts the network's transaction capacity. It was noted that the Solana network operating with this new cryptography in a test environment is about 90% slower. This presents a critical design dilemma for Solana, which is built on high speed and low latency: security or performance?

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

Solana has proactively moved beyond theoretical debates by bringing these discussions into real testing environments. Led by Alex Pruden, the Project Eleven team modeled and tested how the network's current cryptography would behave if replaced with quantum-resistant systems. The goal was not only to demonstrate that these systems work but also to identify potential issues that could arise during scaling.

The test results point to significant risks not only in terms of performance but also regarding the network's structural features. In Solana, deriving wallet addresses directly from public keys creates a larger attack surface against quantum threats. According to Pruden, this could theoretically allow an attacker with a quantum computer to target all wallets on the network. This risk is highlighted with the statement: "A quantum computer could pick any wallet and attempt to solve the private key."

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