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The Solana Foundation has announced the fixing of a potential vulnerability on the network that could have allowed for unlimited minting and withdrawal of Token-2022 coins on the network. The foundation confirmed today that it fixed the issue in April. According to the announcement , Solana software developer Anza first received a report of the vulnerability on April 16 and immediately collaborated with other major developers on the network, Jito and Firedancer, to evaluate the vulnerability report. Upon confirmation that it was a real problem, the teams worked on a patch to address the issue. The report added that blockchain security firms, such as Ottersec, Asymmetric Research, and Neodyme, also provided support and reviewed the patch before its deployment. Interestingly, the team discovered a similar bug in another part of the codebase while trying to address the initial issue and had to develop another patch to fix it as well. Despite the delay, the Solana Foundation and Anza team started reaching out to validators by April 17 and distributing the patch to them so they can upgrade. By 20:00 UTC on April 18, a supermajority of the stake had adopted the patch, allowing the Foundation to announce it publicly on Discord. The stealth approach to fixing the vulnerability has raised questions as to its potential severity for the network. According to the foundation, the bug allows anyone with the technical expertise to create arbitrary proofs that the ZK EIGamal Proof program will accept as valid. This program plays a key role in executing the Token-2022 confidential transfer as it verifies whether the zero-knowledge proofs that certify the validity of encrypted balances in transactions and accounts are correct. It said: “A sophisticated attacker could use these unhashed components to develop a forged proof of an unauthorized action that passes verification.” However, the vulnerability only affects Token-22 confidential tokens, which is a token standard that is not common on Solana. According to Coingecko , the market cap for Token-2022 coins on Solana is only $16.5 million. Still, the bug would have allowed an attacker to mint unlimited Token-2022 coins or withdraw any coin of this type from any account. Fortunately, there is no report of an exploit of the bug. Meanwhile, Solana Foundation’s decision to quietly fix the issue before announcing it publicly has sparked a debate about how decentralized Solana is. The pseudonymous founder of ETH Strategy, Cloutedmind , expressed consternation with the incident, stating: “Am i hearing this right? there was a zero-day on solana mainnet and >70% of the validators privately colluded to upgrade and patch the critical bug before it was even made public.” Some other users also appear to share a similar view, with one X account even saying that it is possible for validators to take users’ assets without their knowledge. However, many Solana stakeholders and crypto users have criticized this opinion, noting that this is how all decentralized networks operate. Helius Labs CEO Mert Mumtaz described the surprise as absurd. Solana co-founder Anatoly Yakovenko also added that validators on Ethereum also follow the same process, even if it might take longer on Ethereum. He said: “Bro, it’s the same people to get to 70% on ethereum. All the lido validators (chorus one, p2p, etc..) binance, coinbase, and kraken. If geth needs to push a patch, I’ll be happy to coordinate for them.” Interestingly, others in the crypto community have commended Solana Foundation’s proactiveness in fixing the issue immediately after it discovered it, while one user shared a link to news of Bitcoin developers secretly fixing a bug. Cryptopolitan Academy: Tired of market swings? Learn how DeFi can help you build steady passive income. Register Now

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Solana validators patch zero-day bug that could have led to unlimited minting of certain tokens

For years, Ethereum has been engaged in a relentless race towards complexity, multiplying features and technical layers. But today, Vitalik Buterin, its visionary co-founder, proposes a return to basics: simplifying the protocol to make it more readable, more stable, almost as simple as Bitcoin. A paradigm shift? Maybe. But above all, a vital necessity at a time when Ethereum wishes to remain the reference layer 1 for layer 2 solutions and the digital assets of the future. The goal of Vitalik Buterin is clear: to make Ethereum a protocol understandable “by a smart high school student“. To do this, he wants to limit the critical code to the essentials, similar to Bitcoin. The 3-slot finality consensus is one of the keys to this simplification. This model eliminates complex components like epochs, synchronization committees, and validator reshuffling. Result: a simpler, more readable, and faster consensus than the current Gasper protocol. Buterin points out that “a basic implementation of 3-slot finality fits in 200 lines of code“. Fewer lines of code means fewer bugs, wider developer involvement, and a reduction in technical elitism. Sassal.eth adds: A simplified L1 also makes solo staking more accessible. The Ethereum Virtual Machine (EVM) has become a technical nightmare: 256-bit architecture, useless opcodes, costly maintenance. Buterin proposes a radical leap: replacing the EVM with RISC-V, a simple and standardized virtual machine. This transition could offer performance gains estimated at x100 for zero-knowledge proofs (ZK), while reducing the need to maintain complex precompilations. The transition would be gentle: an on-chain EVM interpreter would enable coexistence with the old contracts. Sassal.eth highlights the importance of this evolution: We want tokens to be natively deployed on L1. Key points: Currently, Ethereum uses multiple serialization formats and Merkle tree structures. Buterin wants to unify these elements around SSZ for storage, transmission, and execution. He also proposes adopting a single error-correcting code for all functions (DAS, P2P, storage). The goal is to reduce duplication, maximize verifiability, and improve system readability. Sassal.eth emphasizes the importance of this unification: All digital assets should be natively issued on L1. Buterin summarizes this vision by stating: The goal is to move as much complexity as possible out of the consensus. Ethereum aspires to become a solid foundation again, a clear base for a broader ecosystem. By rethinking its layer 1, it hopes to attract developers, asset issuers, and restore trust. Buterin, already the author of a decisive plan for the survival of his own blockchain, thinks far ahead, and so does Sassal.eth. And while the world turns to layer 2 solutions, Ethereum strengthens its foundations to better remain the center of gravity of decentralization.

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