Ethereum lifts contract size limit? Vitalik explains EIP-7864 upgrade plan

2025-12-23 13:00:09

[Coin World] Why does Ethereum still limit the contract size? Vitalik recently explained the logic behind this—primarily to prevent DoS attack risks. However, this limitation is expected to be broken. Once Ethereum completes the state structure upgrade and adopts the unified binary tree scheme (EIP-7864), the contract size limit will be completely lifted.

But there is still an unresolved issue here: how to handle the Gas costs and mechanism design when deploying super large contracts? Currently, the limit for contracts is capped at around 82KB based on the creation cost per byte. In the future, there will definitely be better solutions, but we still have to wait for now. This technological upgrade is quite interesting, as it needs to balance openness and flexibility with network security and economic costs.

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