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

SmartContractAuditor · 2026-04-04T12:11:14+00:00

Solana is testing quantum-safe signatures in collaboration with Project Eleven to address potential quantum threats. Preliminary results show that this secure signature significantly reduces transaction speed. Solana's design makes it highly vulnerable, allowing hackers to easily attack wallets. The industry needs to address quantum threats as early as possible, or the repair process will be extremely time-consuming.

SmartContractAuditor

2026-04-04 12:11:14

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Odaily Planet Daily News: As Bitcoin developers urgently search for quantum-safe solutions, and Ethereum prepares for a “Q-Day,” Solana is trying to address potential threats in advance. Currently, Project Eleven is working with the Solana Foundation to deploy quantum-safe signatures (Post-Quantum Signatures) on a test network, simulating how the network would operate 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’s transaction-processing speed to drop by about 90%, directly impacting Solana’s design advantage—known for high throughput and low latency.

In addition, Solana’s public-key design leaves the entire network 100% exposed to quantum-attack risks. Hackers can choose any wallet and attempt to recover the private key. The risk is higher than the technical and community-coordination challenges faced by BitcoinEthereum. Solana is leading the industry in quantum-safe experiments, and it already has a quantum-safe testnet that can run in practice. 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.” (CoinDesk)

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