On January 4th, 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. Dean Little, a cryptography researcher and chief scientist of the Zeus network, explained in a GitHub post that the "Solana Winternitz Vault" solution does this by implementing a sophisticated hash-based signature system that generates new keys every time a transaction is made. Generating new private keys for each transaction should make it harder for quantum computers to conduct coordinated attacks against any given set of public keys, as these public keys are exposed every time a transaction is signed. The Solana anti-quantum feature 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 a Winternitz vault instead of a regular Solana wallet to secure their assets against potential quantum threats.