Analysis: Solana Quantum Threat Experiment Reveals Trade-Off Between Security and Speed

MeNews · 2026-04-04T18:40:21+00:00

As the threat of quantum computing increases, Solana has partnered with Project Eleven to test quantum-safe signatures, but the results showed a significant slowdown in transaction speed, exposing it to risks. The CEO warned that the industry needs to prepare in advance.

MeNews

2026-04-04 18:40:21

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ME News message, April 4 (UTC+8). As Bitcoin developers urgently search for quantum-safe solutions and Ethereum prepares for “Q-Day,” Solana is trying to get ahead of potential threats. Currently, Project Eleven is working with the Solana Foundation to deploy quantum-safe signatures (Post-Quantum Signatures) on the test network, simulating how the network would perform after replacing the existing cryptographic algorithms. Initial results show that quantum-safe signatures are about 20–40 times larger than the current signatures, causing the network to slow down transaction processing by about 90%, directly undermining Solana’s design advantages, which are known for high throughput and low latency. In addition, Solana’s public key design leaves the entire network 100% exposed to quantum attack risk; hackers can choose any wallet to try to recover private keys. The risk is higher than the technical and community-coordination challenges BitcoinEthereum faces. In terms of quantum-safe experiments, Solana is leading the industry and already has a quantum-safe testnet that can actually run. Project Eleven CEO Alex Pruden said, “If the industry waits until quantum threats truly arrive before starting to fix things, it may take four years.” (Source: ODAILY)

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