Today, with the explosive growth of blockchain data, an interesting storage protocol has emerged—Walrus. It is not just another storage solution, but a "programmable storage layer" launched by Mysten Labs, the core development team of the Sui public chain.

Looking at the design philosophy in the white paper, Walrus aims to: leverage technological innovation, a unique economic model design, and close integration with the Sui ecosystem to change the competitive landscape of decentralized storage.

**Key Technology: Red Stuff Encoding Algorithm**

Walrus's core competitiveness lies in an encoding algorithm called Red Stuff. This technology aims to solve the long-standing efficiency and scalability issues faced by traditional storage protocols.

Let's first look at the current situation. Filecoin and Arweave are the mainstream solutions at present, but they both have obvious shortcomings:

Filecoin uses full replication or one-dimensional erasure coding, allowing users to choose redundancy levels, but ensuring high security often means huge storage costs—sometimes requiring 25 to 1000 times the overhead;

Arweave requires all nodes in the network to store the complete data, and the larger the network, the higher the cost. This mode is fundamentally not scalable.

Not only are these two approaches costly, but in real dynamic networks—where nodes frequently join and leave, and machine failures are common—data recovery consumes enormous bandwidth and time, creating significant bottlenecks. Red Stuff aims to address this problem with a different approach.