@Walrus 🦭/acc @CoinTag $WAL #walrus
In the technological innovation of decentralized storage, the Walrus protocol, with its RedStuff two-dimensional erasure coding and a layered architecture of 'on-chain control + off-chain storage', has achieved a triple breakthrough in storage cost, efficiency, and security, becoming a highly competitive infrastructure project in the Sui ecosystem. Designed specifically for large binary objects (Blobs), Walrus innovatively separates metadata management from actual data storage. On-chain, Sui smart contracts are responsible for metadata registration, node authentication, and rule execution, while off-chain, a distributed network of storage nodes undertakes data sharding storage tasks. This division of labor leverages the high-performance consensus mechanism of the Sui blockchain while avoiding the efficiency bottlenecks caused by storing large amounts of data on-chain.
The core technical highlight of the protocol is the self-developed RedStuff erasure coding technology, which completely solves the high redundancy problem of traditional decentralized storage. Unlike the full replication used by Filecoin (which requires 25 times storage redundancy) and traditional Reed-Solomon coding (which requires 3 times redundancy but has low recovery efficiency), RedStuff divides Blob files into data shards and redundant parity shards through a two-dimensional coding algorithm, achieving a data security level of “12-9” with only about 4.5 times the replication factor. Even if up to two-thirds of the shards are lost or nodes act maliciously, the original data can still be completely reconstructed. More importantly, this technology enables “self-repair” of data, allowing recovery of lost shards without centralized coordination, and the recovery process only consumes bandwidth proportional to the amount of lost data, greatly surpassing the O(|Blob|) bandwidth consumption of traditional coding schemes, perfectly adapting to the highly variable decentralized network environment.
In terms of data security and access control, Walrus has constructed a comprehensive protection system through multiple mechanisms. The protocol generates a unique content hash for each Blob file, combined with end-to-end encryption technology to ensure privacy and security during data transmission and storage. The launch of the Seal feature has made Walrus the first decentralized data platform natively supporting on-chain access control, allowing developers to customize data access permission rules for refined management of sensitive data. At the same time, the protocol abstracts storage capacity as programmable objects on Sui, supporting ownership, splitting, and transfer of storage resources through smart contracts, providing flexible technical support for the commercialization of storage services. This combination of “technical innovation + security protection + programmability” allows Walrus to meet both individual users' privacy storage needs and the complex data management requirements of enterprise-level scenarios, making it a quality Web3 alternative to traditional cloud storage.
