Vitalik Buterin Moves to Tighten Ethereum Transaction Limits
Ethereum may soon see a key protocol change aimed at improving resilience and performance. Vitalik Buterin and Ethereum researcher Toni Wahrstätter have introduced EIP-7983, a new proposal to limit how much gas a single transaction can consume—regardless of the overall block capacity.
The draft suggests capping transactions at 16.77 million gas, a move meant to prevent individual transactions from hogging too much network bandwidth.
This change would be enforced at the client level, and any transaction breaching the cap would be instantly rejected. Likewise, blocks containing such transactions would be deemed invalid.
The rationale? Developers aim to reduce vulnerability to denial-of-service attacks, support more efficient zero-knowledge systems, and streamline parallel transaction execution.
Unlike the block gas limit, which governs overall throughput, this cap targets the predictability and performance of each individual transaction.
Buterin and Wahrstätter argue that the proposed threshold is high enough to support most smart contracts and DeFi applications, while offering a cleaner, more secure path forward for Ethereum’s evolving architecture.
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