Question

What is a directed acyclic graph (DAG) in blockchain?

Answer 1

A directed acyclic graph (DAG) in blockchain is a specific type of data structure used to validate and process transactions. Unlike traditional blockchains that use a linear chain of blocks, DAG-based blockchains allow multiple transactions to be confirmed simultaneously by incorporating a graph structure where each transaction is linked to previous ones. DAGs do not have a central chain, and transactions can be processed in parallel, potentially increasing the scalability and transaction speed of the blockchain network. Popular examples of DAG-based blockchains include IOTA and Nano.

Answer 2

A Directed Acyclic Graph (DAG) in blockchain is a type of data structure that is used as an alternative to the traditional blockchain architecture. In a DAG-based blockchain system, instead of linearly linking blocks of transactions as in a typical blockchain, each transaction is directly linked to multiple previous transactions. This structure allows for faster transaction processing and increased scalability compared to traditional blockchain networks. Examples of blockchain projects that use DAG technology include IOTA and Nano.