Simple and pure block explorer you can run on top of a full node

TuplDB is a high-performance, concurrent, transactional, scalable, low-level embedded database.

Low Level Persistence Library

Transactional Distributed Database Layer

This repository includes code which enables cardless ATM transactions. The cash withdrawal can be done through QR or SMS. It involves 2 application: User App and ATM app. Other features like viewing current balance, transaction history and near by ATMs are also provided in the user application.

Official java client for distributed transaction framework dtm

Transactions Viewer

Semantic Java API Library for NEM Platform

Multi document ACID transactions and more

Small and efficient JDBC wrapper

A restaurant table booking and а restaurant inner management program. There are 3 embedded authorization levels - “ADMIN”, “RESTAURANT” and "GUEST". Users with role “ADMIN” can create, read, update and delete whole data - all guests, orders, tables and products in the restaurant with an exception that this user can't update the products in order…

A simple API for managing transactions

💰 Comprehensive economy system with balance tracking, payment limits.

An efficient graph database for large online transactions based on Neo4j

Android application which saves the record for all transactions.

Database Assessments 📊 A collection of database assessments covering SQL queries, normalization, indexing, transactions and performance optimization. Perfect for practice & skill improvement! 🚀

JCoinbase is an unofficial & open source client for the Coinbase exchange platform API written in Java 15. It allows you to make queries to the Coinbase API in a quick and easy way.

Sample Spring Boot Hazelcast Client Application

this is a distributed transaction demos， check details for this in my blog articles : https://notes.zhangxiaocai.cn/posts/ea07db80.html .

Send x TRX coins and triggers a smart contract with Spring Boot 2. There are two main functions. Trigger smart contract on single address manually via rest API, or asynchronous via planned scheduler on multiply addresses from a .csv file.