Jan 16 • 4M

Episode 59 - Directed Acyclic Graph (DAG)

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Gautam Dhameja
Block Shots provides a basic understanding of the most important blockchain concepts in five minutes. Learn about blocks, transactions, consensus, finality, governance, etc. and many more fundamentals while having your morning coffee, commuting, or whenever you’ve got a moment.
Episode details

In this episode, we cover Directed Acyclic Graph or DAG.

In blockchain, we have blocks as collection of transactions and the current block references the previous one, and a chain is formed.

In DAG, we don’t have any blocks. Transactions directly reference previous transactions. The nodes verify the previous transactions by referencing them in new transactions.

When a new transaction is submitted to a DAG, some previous transactions are referenced in it. 

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