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

MeNews · 2026-04-07T13:10:48+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

2026-04-07 13:10:48

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ME News update, 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 collaborating 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 current signatures, causing the network to slow down transaction processing by roughly 90%, directly undermining Solana’s design advantage, which is 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 select any wallet to attempt to recover private keys. The risk is higher than the technical and community-coordination challenges posed to Bitcoin. Solana is leading the industry in quantum-safe experiments, and it already has a quantum-safe testnet that can be run in practice. Project Eleven CEO Alex Pruden said, “If the industry waits until the quantum threat truly arrives before starting remediation, it may take four years.” (Source: ODAILY)

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