The official IOTA FAQ mentions how Bitcoin needs roughly 6 blocks to verify a new transaction. What is the equivalent rough estimate for IOTA in order to verify a single new transaction? How big of a subtangle does a node need to verify a new transaction?

1 Answer 1


In IOTA, we don't have blocks.

Each transaction in the Tangle approves two previous transactions.

A confirmed transaction is one that is approved by the Coordinator.

You can read more about the Coordinator in the developer documentation.

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