A resilient Ethereum event listener that bridges your smart contract events and backend microservices

Presto Ethereum Connector -- SQL on Ethereum

Zion Key Management Api

Android Wallet (Token ERC20)

Wallet for Token ERC20

Zion Key Management Service

Goals: Implement an Ethereum Smart Contract called SoccerManager and deploy it to Ethereum Blockchain running locally; Implement 2 Spring Boot BE applications, ethereum-api and player-api, that uses Web3j to communicate with Ethereum blockchain; Implement 2 React FE applications, ethereum-ui and player-ui, that communicate to their respective BE.

Java web application backed by the Ethereum-Blockchain network. Powered by RESTful web services (JAX-RS && Spring Boot) , Docker, Kubernetes and MongoDB.

This project demonstrate that how a government or any super authority can utilize the Ethereum blockchain for the attestation of citizen's PII data. By empowering the user and allowing user to verify his information on any third party website using his Ethereum account through Web.3.0 wallets.

A simple repository to showcase interacting with an ERC20 token contract using web3j

ERC20 Standart Token

An Ethereum blockchain university project

A simple app for demonstrating htc ZKMS usage

Crypto arbitrage bot that searches for a significant difference in crypto prices on a number of exchanges and will execute the simultaneous buying and selling of said crypto through a flash loan provided by the AAVE Flash Loan Smart Contract V2.

The most important projects developed during my Master's Degree in Computer Science and Engineering at FCUL.

Secure Exchange Protocol through Sigma protocol or Ethereum Blockchain