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Celestia Labs raises $55 million led by Bain Capital Crypto and Polychain Capital to build modular blockchain architecture, aiming to scale Web3 beyond
Celestia Labs announced a $55 million Series A and B financing round led by Bain Capital Crypto and Polychain Capital, positioning the startup to develop its modular blockchain architecture that separates data availability from execution layers【1】. The round also drew participation from Coinbase Ventures, Jump Crypto, FTX Ventures, Placeholder, Galaxy, Delphi Digital and several angel investors【1】.
Key takeaways
Celestia’s co‑founder Mustafa Al‑Bassam describes monolithic blockchains as “racing to the bottom” by sacrificing decentralization and security to lower fees, a limitation he says has bottlenecked crypto for a decade【1】. In a modular system, Celestia handles only consensus and data availability, while smart‑contract execution and other compute tasks are delegated to separate layers such as rollups or other execution environments. This separation allows developers to launch custom blockchains with reduced technical overhead and cost, choosing their preferred virtual machine—whether Ethereum’s EVM, Solana’s VM, or zero‑knowledge rollups【1】.
Investors appear to favor this modular philosophy. The Defiant notes that the same week Aptos launched a monolithic mainnet and faced criticism, Celestia announced its raise and received enthusiastic backing, highlighting market appetite for architectures that decouple core blockchain functions【4】. The modular approach also promises shared security across applications and interoperability, enabling developers to scale more rapidly while retaining sovereignty over execution choices【1】.
By isolating data availability and consensus, Celestia aims to address scalability challenges that have plagued established layer‑1 platforms like Ethereum and Solana. The fresh capital will support further development of its data‑availability layer and expand partnerships with projects that need a reliable, scalable foundation. As more developers adopt modular rollups and execution environments, Celestia’s design could become a cornerstone of a more flexible infrastructure, potentially reshaping how new blockchains are launched and scaled.
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Yes, Celestia was ported to mobile devices in 2020 and is available for iOS and Android.
Yes, Celestia can be extended with new objects and has support for third-party, user-created add-ons available for installation.
Yes, Celestia serves as a planetarium, showing accurate positions of solar system objects in the sky, and can be used as a planetarium for an observer on any celestial object.
AI-assisted synthesis by the TrendWatcher Editorial Desk · sourced from 4 outlets · Jun 13, 2026 · How we report
Yes, Celestia is free and open-source software released under the GNU General Public License.
Celestia's development stopped in 2013, but it was revived in 2016 and has since received updates, including the addition of new features and support for mobile devices.