# Least Authority

> Security and Privacy for All

Least Authority provides security consulting and auditing services for Web3, blockchain, and FinTech projects.

Least Authority provides security consulting services for auditing cryptographic protocols and distributed system architectures. Their team reviews code to identify vulnerabilities and provide recommendations for blockchain, Web3, and FinTech teams.

- Type: Company
- Sector: Security
- Status: Active
- Founded: 2016-01-01
- Profile: https://thegrid.id/profiles/least_authority

## Products

- [Security Consulting](https://thegrid.id/profiles/least_authority): Security consulting service that reviews cryptographic protocols and distributed system architectures in smart contracts, advanced cryptography, zero-knowledge protocols, and consensus protocols. (Smart Contract Audits, Live, Main Product)
- [PrivateStorage](https://thegrid.id/profiles/least_authority): PrivateStorage is a cloud storage with client-side encryption and zero-knowledge access passes for anonymous authentication. PrivateStorage implements privacy and security by design. (Decentralized File Storage, Discontinued)
- [Zero Knowledge Access Passes (ZKAPs)](https://thegrid.id/profiles/least_authority): Zero Knowledge Access Passes (ZKAPs) is an anonymous token-based authorization protocol that enables privacy-preserving payments by disconnecting payment from service usage. ZKAPs is based on privacy pass technology, modified for secure online transactions. (Developer Tooling, Live)
- [Winden](https://thegrid.id/profiles/least_authority): Winden is a secure file transfer application based on the Magic Wormhole protocol. It provides end-to-end encryption, large file support, identity-less transfers, and eliminates third-party storage of files. (Messaging Protocol, Live)

## Links

- [Main](https://leastauthority.com)
- [Blog](https://leastauthority.com/blog)
- [GitHub](https://github.com/LeastAuthority)
- [LinkedIn](https://www.linkedin.com/company/leastauthority)
- [Twitter / X](https://x.com/LeastAuthority)
- [YouTube](http://www.youtube.com/@leastauthority8545)

## Legal

This data is provided under two licensing models.

Model 1 - open data. The open data core is licensed under the Open Database License (ODbL) — a copyleft/share-alike license allowing free use, modification, and sharing for any purpose. Attribution is required: include "Powered by The Grid" linking to https://thegrid.id wherever the data is used. Derivative databases must be shared under ODbL terms. Trademarks, logos, and brand names (marked "Special TPIP") are not covered by the ODbL. For ML/AI use: training datasets that substantially extract ODbL data are Derivative Databases and must be shared under ODbL if publicly used; models must be attributed in documentation.

Model 2 - commercial licenses. The Grid Data Service (TGDS) is also available as a commercial license. See [Web Services Terms](https://about.thegrid.id/legal/web-services-terms) for commercial use that is not covered by the open data service.

The following applies to both licensing models.
- All data is provided AS IS with no guarantees of accuracy.
- The Grid does not provide investment, legal, or tax advice, and
- a project's presence in The Grid's data does not imply endorsement.


- [Data Licensing & Disclaimers](https://about.thegrid.id/legal/data-licensing-and-disclaimers): Licensing models and disclaimers
- [Open Data (ODbL)](https://about.thegrid.id/legal/open-data): Open Database License terms and scope for The Grid's open data service.
- [Attribution Guidelines](https://about.thegrid.id/legal/open-data-attribution-guidelines): How to attribute The Grid's data when using the open data service.
- [Web Services Terms](https://about.thegrid.id/legal/web-services-terms): commercial Terms for using data services.
- [All Legal Documents](https://about.thegrid.id/legal): Full index of terms, policies, and disclosures

## Optional

- [TGS Field Descriptions](https://github.com/The-Grid-Data/workspace-public/blob/main/references/tgs-field-descriptions.md): Schema field definitions for The Grid's data model
- [TGS JSON Structure](https://github.com/The-Grid-Data/workspace-public/blob/main/references/tgs-json-structure.md): Data model structure and relationships
- [Product Type Definitions](https://github.com/The-Grid-Data/workspace-public/blob/main/references/product-type-definitions.md): Definitions for each product type
- [Product Type Classification](https://github.com/The-Grid-Data/workspace-public/blob/main/references/product-type-classification.md): Guide for classifying products into types
- [Grid MCP Guide](https://github.com/The-Grid-Data/workspace-public/blob/main/grid-search/skills/grid-query/references/grid-mcp-guide.md): How to query The Grid programmatically via MCP