Solana is actively experimenting with quantum-resistant cryptography to prepare for potential future threats posed by quantum computers. In collaboration with Project Eleven, the Solana Foundation is testing post-quantum security measures that could withstand quantum attacks capable of breaking current encryption systems. However, initial tests reveal a significant tradeoff: the new quantum-safe signatures are 20 to 40 times larger, slowing transaction speeds by about 90%. This experimentation highlights a critical challenge for Solana, which is known for its high throughput and low latency. Unlike Bitcoin and Ethereum, Solana's network is more vulnerable to quantum attacks due to its exposure of public keys. While some developers are exploring immediate solutions like 'Winternitz Vaults' to protect individual wallets, the broader industry faces the challenge of coordinating a cryptographic upgrade across decentralized systems. Project Eleven CEO Alex Pruden emphasizes the urgency of addressing these issues before quantum threats become imminent.