Understanding How Proto-Danksharding Accelerates Ethereum’s L1 Rollup Scalability
How Proto-Danksharding speeds up Ethereum's L1 Rollup scalability.To further accelerate the scalability of L1 Rollup, Proto-Danksharding is tentatively scheduled to be implemented in the fourth quarter of 2023. This is the next step for Ethereum to move towards a fully modular ecosystem and is an important test for the scalability of L1. Blockworks Research’s researcher Brrr introduces Proto-Danksharding in an article.
Currently, it is very expensive to publish data from rollup to Ethereum because the data will be permanently stored as “calldata”. This is where Proto-Danksharding (EIP-4844) comes in. EIP-4844 introduces new transaction types, data blobs, and creates an independent fee market for pricing blobs.
Data blobs are additional data spaces unique to rollups that are “attached” to each Ethereum block and do not affect the existing block space structure. Blobs are stored on the Ethereum consensus layer for about three weeks, after which the data will be deleted. Unlike regular transactions, one drawback of data blobs is that they are difficult to remove and replace from the memory pool once broadcasted.
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The Blob fee market is designed based on EIP-1559 with specific parameters still being adjusted. The EIP-1559 mechanism increases the gas cost of any direction of the transaction by 12.5% based on the availability of block space. Combined with the new independent fee market, data blobs will reduce the cost of publishing rollup-related data to Ethereum. Its impact will be greater once transaction congestion on Ethereum increases again.
After the implementation of Proto-Danksharding, the next major Ethereum upgrade related to rollups will be Danksharding. This update will increase the number of data blocks attached to each block and implement DA sampling and committees. The latter two will allow some nodes to confirm the accessibility of all data without downloading all blob data.
Reference: https://twitter.com/blockworksres/status/1671604147437834240
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