Critical vulnerability in Solana (SOL) - Did the blockchain technology survive the disaster.
In April, a critical security vulnerability was discovered in Solana (SOL), which could have led to severe consequences. Although this security flaw was quickly patched, the Solana Foundation released details about it.
To understand the specifics of these potential issues, it is essential to briefly revisit the principle of hashing, which is the concept that blockchain security relies on.
The idea is to input data into a hashing algorithm (like SHA-256 on Bitcoin) to obtain a result consisting of alphanumeric characters called a hash. These hashes can serve as proof of blockchain, as even the slightest change in the input character produces a completely different output.
In programming, a zero-day vulnerability is a flaw that was previously unknown and has never been exploited. This was just a problem that was resolved in Solana (SOL) in mid-April, with details revealed in recent days. In short, theoretically, this critical vulnerability could have allowed tokens to be stolen or created indefinitely without the knowledge of network investigators.
More specifically, the secret tokens using Token-2022 programs and ZK ElGamal Proof were the only ones susceptible to the mentioned vulnerability.
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