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  2. /Glossary
  3. /Blob Space
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blockchain

Blob Space

Temporary data storage introduced by Ethereum's EIP-4844 (proto-danksharding).

Definition

Temporary data storage introduced by Ethereum's EIP-4844 (proto-danksharding). Blobs are large chunks of data that Layer 2 rollups can post to Ethereum at much lower cost than regular calldata. They're automatically pruned after about 18 days since they only need to be available temporarily.

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Related Terms

Proto-Danksharding

An Ethereum upgrade (EIP-4844) that introduced blob transactions as a stepping stone toward full danksharding.

Blob Transactions

A new transaction type introduced with Ethereum's EIP-4844 upgrade that lets Layer 2s post data to Ethereum much more cheaply.

Rollup

A Layer 2 scaling solution that bundles many transactions together before posting them to the main chain.

ABI

Application Binary Interface.

Account Abstraction

A way to make crypto wallets behave more like normal apps by turning every account into a smart contract.

Account Model

The way Ethereum and many other chains track balances.

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