# Blockchain node DB designs: from Geth to Erigon

- Speakers: [Igor Mandrigin](https://streameth.org/speakers/igor-mandrigin)
- Event: [Protocol Berg](https://streameth.org/ethberlin/protocol_berg), Berlin
- Channel: [ETHBerlin](https://streameth.org/ethberlin)
- Date: 2023-09-15
- Duration: 23:08
- Watch: https://streameth.org/watch/65b8f8cea5b2d09b88ec10e8

## Description

One of the definite feature of Erigon is how it stores blockchain state and state history in its own database. In this talk I will talk about the details, the database choices and the path the Erigon team took to go from the Geth data model into its own.

## About the speakers

### Igor Mandrigin

Igor is the CTO of [Gateway.fm](http://gateway.fm/), a builder with experience in all sides of the network stack, from browsers to large-scale cloud services. He has been deeply involved in blockchain, including being a core dev to the Ethereum (Erigon nodes) and serving as a researcher. 
At Gateway.fm, Igor is currently working on building Gnosis Chain and setting up large-scale distributed infrastructure services as well as helping building zk Rollups nodes design for Polygon zkEVM.