Solana Leads Crypto Security with Quantum-Resistant Winternitz Vault
To safeguard user assets against possible dangers posed by quantum computers, Solana engineers have built a quantum-resistant vault on the Solana blockchain. In a GitHub post on January 3, cryptography researcher and chief scientist at Zeus Network Dean Little described how the Solana Winternitz Vault solution accomplishes this by putting in place a sophisticated hash-based signature system that creates new keys each time a transaction is made.
Many cryptocurrency owners who worry that their cryptographically safeguarded funds might eventually be destroyed by an overpowering quantum computer may find some comfort in this study. Little shared screenshots from a Dec. 19 X post in which Bitcoin investor and analyst Fred Krueger claimed that Solana would be the “first casualty” of quantum, evidently poking fun at Krueger.
How Does Solana’s Winternitz Vault Enhance Quantum-Resistant Security?
Initially, the Winternitz vault computes the Keccak256 Merkle root of the public key and creates a new Winternitz keypair. After creating a split and refund account, the user creates a “split” vault in which they generate a Winternitz signature over a message that contains the number of “lamports” (the smallest denomination of the native cryptocurrency Solana) they wish to transfer. The vault is closed after the transfer is finished, and any money that remains is moved to the return account.
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