Solana Integrates Filecoin for Decentralized Storage of On-Chain Data
Partnership enables Solana blockchain to store historical data on Filecoin, improving scalability, cost-efficiency, and decentralization.

A powerful Web3 infrastructure collaboration
In early April 2025, the Solana Foundation officially announced that the Solana blockchain has integrated with Filecoin (FIL) to use its decentralized storage network for archiving on-chain historical data. This marks a major technical collaboration between one of the fastest blockchains and the largest decentralized storage system.
The integration is designed to improve data availability, reduce reliance on centralized services, and enhance Solana’s long-term scalability.
What does this integration mean?
Previously, Solana’s blockchain data was primarily stored through centralized providers and internal infrastructure. With this update:
Solana’s block history is now stored on Filecoin’s decentralized network
The data is verifiable and censorship-resistant
Solana validators and developers gain greater access to archived chain activity
Long-term storage costs are reduced due to Filecoin’s efficient model
This move allows Solana to focus on performance, while Filecoin ensures reliable and decentralized data storage.
How it works
Through a new archiving pipeline developed in collaboration with the Filecoin ecosystem (specifically using tools like Lighthouse and FVM – Filecoin Virtual Machine), Solana’s historical data is chunked, validated, and stored across thousands of nodes in the Filecoin network.
Any third party can retrieve and verify the data using standard APIs — enabling transparency for dApps, indexers, and explorers.
Why this is important for the Web3 ecosystem
This partnership solves a growing problem for fast blockchains like Solana: storing massive amounts of transaction history in a secure, cost-effective, and decentralized way.
It also shows the power of modular Web3 architecture, where different specialized protocols work together to build a more scalable and robust decentralized internet.
Community and developer benefits
Improved indexing: DApps, wallets, and analytics tools can query historical data more efficiently
Decentralization boost: Less dependence on centralized cloud providers
Cost savings: Developers save on infrastructure by leveraging Filecoin’s competitive storage pricing
Reliability: Data remains online and accessible, even if a validator goes offline
Conclusion: Solana + Filecoin sets a new standard for Web3 data
By integrating with Filecoin, Solana takes a major step toward a fully decentralized, modular blockchain stack. This collaboration not only boosts performance and transparency but also signals a new phase in how leading blockchain networks handle storage, proving that decentralized infrastructure can scale to meet real-world needs.

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