A decentralized, trusted, high performance, SQL database with blockchain features

The Toolkit API, app, and browser extension. Start preserving now.

This is an example implementation of a System of Record for a Classified Ads platform. This example follows an Event Sourcing and CQRS (Command Query Responsibility Segregation) pattern using Amazon QLDB as an immutable append-only event store and source of truth.

Development code to show simple CRUD operations on Amazon QLDB and setup Amazon Kinesis Data streams. The solution uses AWS Lambda Amazon API Gateway Amazon QLDB Amazon DynamoDB and Amazon Kinesis Data Streams

A lightweight library to use AWS QLDB in Clojure

An extensible framework for asynchronous, parallelized data-loading into a QLDB ledger.

In-memory ledger database with Amazon QLDB compatibility

Pure Rust driver for Amazon's QLDB ledger

Amazon QLDB を使ったデータの挿入、更新、変更履歴の確認など基本的な機能の確認がUIでできるサンプルプロジェクトです。CSVアップロード/ダウンロード機能、削除されたデータの履歴の確認も可能です。

Sample QLDB Applcation

Blockchain based tecnology by aws explained with examples.

Kickstarter Development Essentials for Amazon's QLDB. Article here: https://medium.com/devopsinternationalbv/hands-on-with-quantum-ledger-database-qldb-9223de64ac22

An experimental DID Method for Supply Chain Integrity, Transparency and Trust (SCITT)

Sample code and artefacts for AWS Blog submission titled "Improve auditability of your data with Amazon QLDB and digital signatures supported by AWS KMS"

A Object-Relational-Mapping wrapper library around AWS QLDB