According to Cointelegraph, Solana developers have created a quantum-resistant vault on the Solana blockchain to protect user funds from potential threats posed by quantum computers. Cryptography researcher and chief scientist of Zeus Network, Dean Little, explained in a GitHub post that the 'Solana Winternitz Vault' solution achieves this by implementing a complex hash-based signature system that generates new keys for each transaction. Generating new private keys for each transaction should make it more difficult for quantum computers to perform a collaborative attack on any given set of public keys, as these public keys are exposed each time a transaction is signed. The quantum-resistant feature of Solana is currently offered as an optional add-on rather than a network-wide security upgrade. This means that Solana users must choose to store their funds in the Winternitz vault instead of the regular Solana wallet to ensure their assets are protected from potential quantum threats.