Walrus is a new kind of decentralized data storage system that runs on the Sui blockchain and it was made to help developers and projects store big files like videos images PDFs and large data in a way that is secure and efficient and far cheaper than traditional storage systems on blockchains because it uses smart coding techniques and spreads the data across many computers in the world rather than keeping it in one central place which means your data stays safe and available even if some computers go offline and this design makes Walrus different from old storage projects because each piece of data becomes programmable and can be used inside smart contracts on Sui and across other blockchain ecosystems too giving apps the power to build new types of features with real onchain objects instead of just storing them somewhere far off chain

The way Walrus works is that big files or blobs are first broken into smaller coded fragments using a special method that keeps them recoverable even if some pieces disappear and those fragments are placed on many independent storage nodes so the original file can be rebuilt later and the network continuously checks that storage nodes are holding the data they promised by sending random challenges which keeps things honest and reliable and all this storage metadata and proof of availability lives on the Sui blockchain where smart contracts can read it and control how data is used which gives developers new possibilities like creating tokenized storage assets marketplaces or auto updating and deleting stored files

Walrus also has its own native token called WAL that is used to pay for storing data and to secure the network because anyone who wants to help run storage nodes must stake WAL tokens and in return they can earn rewards for doing a good job and people who hold WAL can also take part in governance decisions about how the system grows and changes over time and even though the total supply is limited many tokens are still locked while some are already circulating and being traded on exchanges making it easier for users and developers to get involved and participate in the ecosystem

Since launching its mainnet in March 2025 Walrus has been growing with many projects using its storage capabilities from AI model hosting to media content and other decentralized applications and because it can work with different blockchains beyond Sui it aims to be a core part of the future data layer for Web3 applications making data reliable accessible and programmable without depending on large centralized companies controlling it which many people see as an important step toward true decentralization in how the internet handles data storage

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