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Commit logs that use cryptographic hashing to ensure the immutability and verifiability of the record history.
Distinct from Distributed Commit Logs: Adds the requirement of cryptographic verifiability to the standard distributed commit log concept.
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immudb is a tamperproof database that maintains an immutable record of entries using cryptographic commit logging. It ensures verifiable database integrity by utilizing Merkle trees to generate membership and consistency proofs that detect unauthorized data alterations. The system employs a multi-model storage engine that unifies key-value, document, and relational data structures within a single immutable backend. It provides compatibility with the PostgreSQL wire protocol, allowing it to integrate with standard SQL clients, ORMs, and database tools. The project covers broad capabilities in
Maintains an immutable record of data using a cryptographic commit log to ensure a verifiable history.
Orbit DB is a decentralized NoSQL database that utilizes conflict-free replicated data types to ensure eventual consistency across a network of nodes. It functions as a peer-to-peer data store that uses IPFS for content-addressing and synchronization, allowing for the maintenance of application state without a central server or authority. The system is built upon a cryptographically verifiable, immutable operation log, which serves as the foundation for custom decentralized data models. This architecture enables the implementation of various data storage patterns, including JSON document stor
Uses a cryptographically verifiable append-only commit log as the foundation for all data models.
OrbitDB is a decentralized data storage system that enables the creation of serverless databases residing across a network of peers. It functions as a peer-to-peer database that integrates with a content-addressed storage layer to distribute and replicate data without a central server. The system utilizes conflict-free replicated data types to ensure eventual consistency and state convergence across distributed nodes. It maintains an immutable record of updates using a directed acyclic graph to preserve causal ordering and cryptographic integrity. Access is managed through a decentralized ide
Uses a Merkle-DAG as a cryptographic commit log to maintain a verified causal order of updates.
该项目是一个可验证的数据库引擎,提供 SQL 加密证明系统,以确保存储信息及其检索的完整性。它作为一个支持证明的数据存储,利用加密承诺来防止数据篡改并保证查询结果的准确性。 该系统生成零知识证明,提供数学证据证明 SQL 查询已正确执行,而无需重新运行整个过程。这些加密证明可以导出以进行链上验证,允许智能合约或第三方以无需信任的方式验证数据库结果。 该引擎包括一个高性能分析 SQL 查询处理器,能够在数百万行数据上执行复杂的聚合和过滤,响应时间在亚秒级。它维护一个安全的数据摄取流水线,在输入期间创建防篡改哈希,以确保数据库状态的完整性。
Creates tamper-proof hashes during data entry to ensure the integrity of the database state.