Walrus entered 2025 as a programmable data layer on Sui and spent the year proving it was more than a storage experiment.  After launching mainnet in March 2025 , the team rolled out features that addressed three of Web3’s biggest pain points: privacy, efficiency and developer ergonomics. Seal introduced built‑in on‑chain access control so that sensitive data (from DeFi to healthcare) can be encrypted and only decrypted by authorised parties .  Quilt made it cost‑effective to store small files by grouping up to 660 of them into a single unit, saving partners millions of WAL tokens in storage fees .  Upload Relay streamlined uploads by handling sliver distribution on the client’s behalf, speeding data ingestion even over flaky mobile connections .  On the economic side, Walrus introduced a deflationary token model: every transaction burns WAL, meaning network usage gradually reduces supply .  These developments show Walrus evolving from a proof‑of‑concept into a mature platform that balances decentralisation with practical tools for real‑world builders .



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