IC-OSS

🗂 A decentralized Object Storage Service on the Internet Computer.

💝 Backed by a $25k Developer Grant from the DFINITY Foundation.

Overview

ic-oss is a decentralized object storage service fully running on the Internet Computer that provides:

• Simple and efficient file storage/retrieval
• File directory tree structure
• Unlimited horizontal scalability
• Enterprise-grade access control

Perfect for NFTs, chain blocks, verifiable credentials, blogs, documents, and decentralized applications.

Key Features

• Large File Support
  • File sharding
  • File encryption
  • Concurrent high-speed uploads
  • Resumable uploads
  • Segmented downloads
• Advanced Organization
  • File directory tree structure
  • Bucket-based clustering
• Flexible Access Control
  • Public/private access
  • Read/write permissions
  • File/folder/bucket level controls

Check more details:

• Bucket features
• Cluster features
• Access Control

Packages

Package	Description
ic_oss_bucket	Storage bucket smart contract
ic_oss_cluster	Cluster management smart contract
ic-oss-can	Rust library for implementing file storage in smart contract
ic-oss-types	Rust shared type definitions
ic-oss	Rust client SDK
ic_oss_ts	Typescript client SDK
ic-oss-cli	Command-line tool implemented in Rust

Who's using?

• dMsg.net: The world's 1st decentralized end-to-end encrypted messaging application fully running on the Internet Computer blockchain. dMsg.net uses IC-OSS to store user avatars (public), channel logos and encrypted files (private).

If you plan to use this project and have any questions, feel free to open an issue. I will address it as soon as possible.

Integration

1. Dapp backend: Configure access control via ic_oss_cluster
2. Dapp frontend: Obtain access_token using ic-oss-ts SDK
3. Dapp frontend: Use token to interact with ic_oss_bucket

Examples

• examples/ai_canister: A Rust demonstration project used to show how to implement large file storage in the ICP canister by using ic-oss-can.
• examples/upload_js: A Javascript demonstration project used to show how to upload files to ic_oss_bucket canister by using @ldclabs/ic_oss_ts.

License

Copyright © 2024-2025 LDC Labs.

ldclabs/ic-oss is licensed under the MIT License. See LICENSE for the full license text.