Algorand Developer Portal

Build an employee loan arrangement dApp

Build an Employee Loan dApp using Algorand Layer-1 functionalities to manage the loan arrangements between employers, employees and financial authorities.

Stefano De Angelis University of Southampton

Flipping a Coin Using Hashing

Two Algorand accounts can bet on the result of a coin flip. Alice flips the coin and records the hashed result, Bob guesses and then Alice reveals the result. Example of commitment scheme.

Gidon Katten

Securities and Permissioned Tokens

This article presents a design of permissioned / securities tokens on Algorand. We will implement company shares using ASA and smart contracts with Algo Builder.

Robert Zaremba Algorand Builder

Getting started with Python Algorand SDK and FastAPI

A demo application that shows how to use the Python FastAPI with the Algorand Python SDK. Learn to send transactions, create assets, query for transactions, filter for specific assets, and retrieve asset balances.

Slava096

Creating a demo wallet using Flask

Flask is a Python framework for quickly creating webapps. In this solution we'll be using Flask and the Algorand SDK to show how to make a demo wallet web application.

Michael Ockenden

Wagering DApp with a serverless Vue + AlgoSigner Frontend

Bet on your favourite team by wagering Algo! Easily interact with smart contracts powered by the Algorand blockchain thanks to a frontend web app using Vue and AlgoSigner.

Lucas Van Mol

Tic-Tac-Toe dApp

Design and deploy the Tic-Tac-Toe game on the Algorand blockchain. The game logic is implemented as a Stateful Smart Contract using PyTeal while the communication with the network is done using the py-algorand-sdk.

Vilijan Monev

Framework Integration: Exploring Express.js With the Algorand SDK

This guide shows developers how they can use Algorand with Express.js through the js-algorand-sdk. In short, you'll learn how to query transactions, assets, and accounts, and how to apply optional filters to endpoints to enrich the data.

Tobias Schmidt

Building a decentralized vault using stateful smart contracts

Vaults are a security mechanism to prevent cryptocurrency from being immediately withdrawn by forcing its creator to wait a certain wait time after a request has been made, while also giving them the ability to cancel a request that they have not made.

Roberto Pettinau Università degli studi di Cagliari

Understanding the TEAL Stack by Example

Learn how the TEAL language works: Understand the TEAL stack, scratch space, and global storage by example.

Tobias Schmidt

ASA payment for a smart contract service using Algorand

This article presents a solution for how to use ASA payment for a smart contract service using Algorand. We will implement this using [Algo Builder](https://algobuilder.dev).

Amit Yadav Algo Builder

Artificial Intelligence on Algorand

In this solution we discuss Algorand as a shared database, utility of an indexer and how Machine Learning benefits the ecosystem.

Pavel Fedotov dspyt.com

Oracle for Algorand Using Smart Contracts

This solution shows how to combine Pyteal smart contract and a Java application to implement an Oracle, to provide real world data to Algorand smart contracts.

Dame Seiel

Committing to large datasets using Merkle trees in PyTeal

This solution is here to provide a way to allow smart contracts to store a small value that represents (or commits to) a potentially very large amount of data.

Ori Shem-Tov Algorand

How does an Extendable DAO work?

An Extendable DAO allows for an eager community to build upon the DAO, adding new functionality and activating it by voting.

Steve Ferrigno Algorand

An Algorand Blackjack implementation with Beaker

Blackjack is the most played casino bank card game in the world. We show an implementation of a smart contract that runs single-player blackjack games against the bank in Beaker.

Emanuele Cuncu

Flash Loans on Algorand VM vs Ethereum VM

Have you ever wondered how Algorand feature set comes together to offer easy and convenient financial trades? Find out how it made flash loans easier!