# Anthurine Xiang, EthStorage: A Modular Storage Layer for Ethereum on EIP-4844 | ETHSofia 2024

- Channel: [ETHSofia](https://streameth.org/ethsofia)
- Date: 2025-10-09
- Duration: 21:50
- Topics: ETHSofia, crypto, blockchain, Ethereum, Quarkchain
- Watch: https://streameth.org/watch/yt-Re_NQjj_Yhg
- YouTube: https://www.youtube.com/watch?v=Re_NQjj_Yhg

## Description

EIP-4844 in the Ethereum Cancun upgrade introduces data availability (DA) but discards BLOBs after 18 days. EthStorage, a Layer 2 solution, ensures long-term storage with on-chain proof verification while storing BLOBs off-chain. This approach reduces costs by 100x to 1000x, enabling scalable applications like decentralized blogs, dynamic NFTs, and more. The EthStorage testnet integrated with EIP-4844 demonstrates how developers can leverage this solution for efficient, large-scale data management on Ethereum, making way for innovative and cost-effective projects.
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Speaker: Anthurine Xiang, QuarkChain, Co-founder/CMO of EthStorage
Follow QuarkChain on X: @Quark_Chain

Timestamps:
00:00 Intro
00:22 Qi Zhou discusses ETHStorage
04:03 Web3: Ethereum's unstoppable HTTP server
06:20 What is ETHStorage
16:16 Applications: AI on-chain
16:57 Q&A
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This video was recorded during the ETHSofia Conference and Hackathon - October 17-19, 2024.

ETHSofia is THE crypto tech conference in Sofia, Bulgaria, bringing together enthusiasts, developers, researchers, and academia focused on Ethereum and other L1 chains. The conference is supported by the Ethereum Foundation and made possible by the generous contributions of industry leaders. For more information, please visit: https://www.ethsofia.com/

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