Name: Alexander C.
Type: User
Company: Java User Group Frankfurt (jugf.de @jugffm)
Bio: Java dev in finance and education. FinTech, EduTech, Tech Blogging. Experiments with web3, Ethereum and Solidity. Believes in the power of knowledge sharing.
Twitter: jugffm
Location: Frankfurt, Germany
Blog: http://blockchainers.tech
Alexander C.'s Projects
Meet the technical side of Blockchainers
A web application to build your blog on GitHub
Sample implementation of http://blockchainers.org/index.php/2018/11/05/identity-is-the-new-money/
Middleware component for keybase.io identity verification for onboarding in private PoA-testnets
Java Libra Client implementing functionality of the original Libra Rust client, see http://blockchainers.org/index.php/2019/07/22/jlibra-connecting-libra-to-java/
A Java library for interacting with the Libra blockchain
Spring Boot Starter for jlibra usage, see http://blockchainers.org/index.php/2019/07/22/jlibra-connecting-libra-to-java/
Katacoda Scenarios
KI4KIds Kurse auf Deutsch
Extension to jlibra core, adds signing and verification for arbitrary messages in Libra.
Sample project for payment processing in Libra with jlibra. More description here: http://blockchainers.org/index.php/2019/08/16/what-if-your-salary-was-paid-in-libra/
Move VM on Tendermint (and more)
Neo4j graph visualization using D3.js
Key Recovery in Ethereum with Enterprise Identity and Access Management using OAuth2 and JWT
Demo for onboarding to a private Ethereum chain with "almost know your customer"
All the Git-it Workshop completers!
Most Simple Spring Boot Persistent JPA PostgreSQL Sample
This repository contains a mindmap and stepwise resource to get started with Smart Contract Auditing.
Accompanying sources to blog post: http://blockchainers.org/index.php/2019/02/26/payable-apis-with-raiden-network-payment-channels
Tokenization of account receivables (invoices) with ERC-20, ERC-721 and IPFS using Java/web3j
Web3j Gradle Generated Smart Contract OpenAPI REST with IntelliJ HTTP Test Suite
A smart contract development cookbook "for runaways". Mostly ordered links and descriptions.
Sample for Mailalerting with Prometheus
All Markdown Steemit posts
Interest Rate Swaps Smart Contract