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Tech Stack
Description of the Shade Protocol tech stack.
The Shade Apps are made possible from the following key tech stack pieces:
- Data Privacy
- Private Smart Contracts
- Oracle Solutions
- Secret Token (SNIP) Standard
Ultimately, the above underlying tech components are what empower the unique value proposition of the performant, privacy-preserving DeFi known as Shade Protocol.
Shade Protocol applications are built on top of Secret Network. To achieve data privacy, the Secret Network protocol leverages the following:
TEEs are part of the hardware specification for all validator nodes of the network, guaranteeing that nodes are unable to view computations that occur within the trusted environment - preserving the privacy of the underlying data during the computation. Shade Protocol implements programmable privacy, which is defined as arbitrarily complex data privacy controls within Shade Apps.
Secret Network Whitepaper.pdf
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PDF
Shade Protocol smart contracts are coded in Rust - a multi-paradigm, general-purpose programming language. Rust emphasizes the following:
Rust enforces memory safety—that is, that all references point to valid memory—without requiring the use of a garbage collector or reference counting present in other memory-safe languages. To simultaneously enforce memory safety and prevent concurrent data races, Rust's borrow checker tracks the object lifetime and variable scope of all references in a program during compilation.
Shade Protocol smart contract uses the SecretWasm contract framework which adds a private computation module to the well-known CosmWasm contract framework - which was built with a specific focus on security and testing:
Shade Protocol leverages two oracle solutions: Band Protocol & SupraOracles. Currently, the SupraOracles implementation is under active research.
Band Protocol is a cross-chain data oracle platform that aggregates and connects real-world data and APIs to smart contracts. This allows data from other blockchains as well as real-world data to be directly used by Shade Protocol for Silk, ShadeSwap, Bonds, and the many various Shade Apps. Band Protocol was implemented for the following reasons:
- Easy to integrate
- Cosmos native
- Open-source
- Audited
- Operated by a wide array of decentralized professional node operators
Shade Protocol partnered with SupraOracles in 2022 - a long term initiative to further decentralize Shade Protocol's existing oracle solutions. SupraOracles implementation is being pursued for the following reasons:
- 3-5 second finality
- Cross-chain interoperability
- Cutting edge cryptography
- Data provider rotations
- Decentralized
Shade Protocol leverages the Secret Token standard for Silk and SHD. The SNIP standard is a specification for private fungible tokens based on CosmWasm on the Secret Network. The name and design is loosely based on Ethereum’s ERC-20 & ERC-777 standards, and a superset of CosmWasm’s CW-20. Key additions to this spec over the CW-20 specification are mostly for privacy-focused features, and as such will strive to maintain compatibility. Features of SNIP tokens are as follows:
- Private transactions
- Private smart contract interactions
- IBC interoperable
Last modified 6mo ago