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  1. Home
  2. /Glossary
  3. /Modular Stack
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blockchain

Modular Stack

The approach of separating blockchain functions (execution, settlement, consensus, data availability) into specialized layers that can be mixed and matched.

Definition

The approach of separating blockchain functions (execution, settlement, consensus, data availability) into specialized layers that can be mixed and matched. Instead of one monolithic chain doing everything, you combine the best execution layer with the best DA layer and settle on the most secure chain.

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Related Terms

Modular Blockchain

A blockchain design that separates core functions like execution, consensus, settlement, and data availability into specialized layers.

Data Availability Layer

A specialized blockchain or service that stores transaction data so anyone can verify it, without handling execution.

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.

ERC-4337

The Ethereum standard for account abstraction without changing the core protocol.

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