Ideally, we want a private blockchain which can be independently hosted and has native support for EDDSA and MPC protocols. Let's evaluate ChatGBT's findings.
ChatGBT: Several private blockchain platforms support EdDSA (Edwards-curve Digital Signature Algorithm) for cryptographic operations and Secure Multi-Party Computation (SMPC) for privacy-preserving computations. Below are some of the notable platforms that incorporate these technologies:
Hyperledger Fabric
EdDSA Support: Hyperledger Fabric is a permissioned blockchain platform that supports EdDSA for cryptographic signatures. It allows users to configure their cryptographic algorithms, including EdDSA for secure key management and signature generation.
SMPC Support: While Fabric itself does not natively include Secure Multi-Party Computation (SMPC), it can be extended with privacy-preserving tools such as Hyperledger Indy (for identity and privacy solutions) or third-party libraries for SMPC.
Use Case: Mainly for enterprise solutions, financial services, and supply chain management.
Quorum
EdDSA Support: Quorum, an Ethereum-based private blockchain platform developed by JPMorgan, supports the EdDSA algorithm as an alternative to the traditional ECDSA (Elliptic Curve Digital Signature Algorithm).
SMPC Support: Quorum also supports Secure Multi-Party Computation (SMPC) through its ConsenSys and Tessera privacy-enhancing tools. Tessera provides private transactions and confidentiality through SMPC, enabling multiple parties to jointly compute without revealing inputs.
Use Case: Primarily used in enterprise and financial sectors for privacy-focused applications.
Oasis Network
EdDSA Support: Oasis Network, a privacy-focused blockchain, supports EdDSA as part of its cryptographic suite. It aims to provide high privacy and scalability for decentralized applications (dApps).
SMPC Support: Oasis Network is designed with Secure Multi-Party Computation at its core. The platform enables privacy-preserving computations through its ParaTimes architecture, which isolates workloads and supports secure computations involving multiple parties.
Use Case: Focused on data privacy, DeFi, and secure computation use cases, especially in sectors like healthcare and finance.
Zilliqa
EdDSA Support: Zilliqa, a high-throughput blockchain platform, supports EdDSA as part of its cryptographic algorithms for transaction signing and validation.
SMPC Support: While not natively supporting SMPC, Zilliqa can integrate with external tools and platforms that provide multi-party computation capabilities for privacy-preserving applications.
Use Case: High-speed transactions for applications requiring scalability and privacy.
Corda (by R3)
EdDSA Support: Corda, designed primarily for financial institutions, has support for EdDSA in its cryptographic library. Corda's architecture allows for privacy and confidentiality of transactions.
SMPC Support: Corda supports secure computation through its Confidential Transactions and Confidential Identifiers features, though not strictly SMPC. However, R3 has worked with partners to implement SMPC for financial use cases in Corda.
Use Case: Mainly used in the finance, insurance, and legal industries for confidential and secure transactions.
Algorand
EdDSA Support: Algorand is a high-performance blockchain that supports EdDSA for its cryptographic needs. EdDSA is used to sign and validate transactions in a secure manner.
SMPC Support: Algorand's consensus mechanism and privacy features do not directly provide SMPC, but its architecture can enable the integration of privacy-preserving solutions that support secure computations between multiple parties.
Use Case: Aimed at scalable and secure decentralized applications (dApps), including financial services.
Secret Network
EdDSA Support: The Secret Network supports EdDSA for cryptographic operations, as it prioritizes privacy and confidentiality.
SMPC Support: Secret Network is designed for privacy and leverages Secure Multi-Party Computation (SMPC) natively. It allows for private computations, enabling computations to be executed on encrypted data without revealing sensitive information.
Use Case: Privacy-preserving applications, especially in finance and data privacy sectors.
Tendermint (Cosmos SDK-based blockchains)
EdDSA Support: Tendermint, which powers Cosmos-based blockchains, supports EdDSA as one of the cryptographic algorithms for transaction validation and signing.
SMPC Support: Tendermint itself does not natively support SMPC, but Cosmos-based blockchains can integrate privacy-focused features or third-party solutions for secure multi-party computation.
Use Case: Used in various decentralized applications (dApps), and projects in the Cosmos ecosystem could implement SMPC using additional modules or off-chain solutions.
Hedera Hashgraph
EdDSA Support: Hedera Hashgraph supports EdDSA for its signature and cryptographic operations, focusing on security and performance.
SMPC Support: Hedera has mechanisms for privacy-preserving solutions, and while it doesn't directly offer SMPC, Hedera's design allows for integrations with privacy solutions.
Use Case: Enterprise applications requiring high throughput and secure transactions, especially in finance, supply chain, and healthcare.
Assume Quorum, Oasis Network and Secret Network for now.
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