Passive Cash Ideas

A savings account management app.

🏦 Calculate Future Compounding Interest Earnings/Payments🪙

A PHP script to calculate and display the growth of a savings account over 20 years with an initial deposit of 1000 DH and an annual interest rate of 2%.

Simple saving account smart contract which with borrowing/lending functionalities

Calculates and presents "real rates of return" for savings products available in the New Zealand marketplace.

This project consists of four Python files that together form a simple banking system to manage and calculate the balance and interest earned on Savings and Certificate of Deposit (CD) accounts.

Stack Sats. Dollar cost average (DCA) calculator for stacking bitcoin

Open Finance research group repository

Java Codes

This project is very similar in design to the Mouse2 class and Mouse2Driver example in the book (Introduction to Programming with Java: A Problem Solving Approach, Second Edition by John Dean and Raymond Dean). Remember the project in Ch 4 about calculating the value of an account as it grows, which was enhanced in Ch 5 to look better? We’ll do …

Self-hosted web-based virtual pots to manage multiple saving goals with one saving account at the bank

My implementation of a DeFi Mini Savings Account using Solidity and Foundry.

This project is very similar in design to the Mouse2 class and Mouse2Driver example in the book. Remember the project in Ch 4 about calculating the value of an account as it grows, which was enhanced in Ch 5 to look better? We’ll do the same work here but using OOP methodology. In this project, the user will specify the starting balance for a sa…

A FinTech Streamlit app to monitor, manage and optimize your bank savings

In this example, you will enhance the Savings Account driver to create multiple accounts. The project will create 3 separate Savings Accounts, simulating 3 different customers creating these accounts. Note that no changes are needed in the Account class – it describes an account, and it doesn’t matter how many accounts we create with that class.…

Solidity smart contract for the creation of a "piggy bank" style savings account.

The goal of this project was to create a contract that can send ETH to either one of two savings accounts.