Solana developers have created a quantum-resistant vault on the Solana blockchain to protect user funds against potential threats from quantum computers. This solution, called the “Solana Winternitz Vault,” implements a hash-based signature system that generates new keys for every transaction. This system could make it harder for quantum computers to plot an attack on a specific set of public keys. However, this feature is an optional addition, not a network-wide security upgrade. Users should opt into this vault to protect their assets. We welcome your comments.