Walrus is a decentralized data storage protocol built on the Sui blockchain, engineered to store large binary objects — including videos, images, AI model weights, and raw datasets — in a distributed, censorship-resistant architecture at significantly lower cost than traditional on-chain storage solutions. Unlike conventional blockchain storage mechanisms, which become economically impractical for anything beyond small text payloads, Walrus employs a proprietary encoding algorithm known as Red Stuff erasure coding to break data into verifiable shards that are distributed across an independent network of storage nodes, ensuring data remains accessible and reconstructable even when a substantial portion of the network is offline or adversarial. The protocol was developed by Mysten Labs, the research-driven team behind the Sui Layer-1 blockchain, and its native utility token WAL is used to compensate storage node operators, pay for storage capacity, and participate in on-chain governance. In the current crypto landscape, Walrus occupies a strategically significant niche by addressing one of the most persistent infrastructure gaps in Web3: the inability to store rich, high-volume data without defaulting to centralized cloud providers such as AWS or Google Cloud — a dependency that fundamentally undermines the decentralization promises of many DeFi protocols and smart contract applications. By providing a purpose-built, programmable storage layer that integrates natively with the Sui execution environment, Walrus enables developers to build applications with fully decentralized data stacks, from NFT metadata and on-chain gaming assets to AI training corpora and archival content. Coverage on this platform tracks Walrus across its technical milestones, WAL token economics, ecosystem integrations, and governance developments, giving readers a rigorous, factual perspective on how decentralized storage infrastructure is maturing as a foundational primitive for the next wave of blockchain-native applications.