Algorand Developer Portal

Sharing Global State Across Contracts

This article explains how one contract can read another's global state.

Build Algorand iOS, Android and UWP apps using C# .NET SDK and Xamarin

This solution shows how to build an Algorand application for iOS, Android and Universal Windows Platform (UWP), with one code base, using Xamarin Forms and C#.

Russell Fustino Algorand

Example Digital Exchange Smart Contract Application

This solution presents a very simple DEX application using stateless and stateful smart contracts. It allows users to place limit orders that are fulfilled at a later time by another party.

Jason Weathersby Algorand

Block'n'Poll - Blockchain polling web application

Block'n'Poll is a blockchain polling web application that allows users to easily create permissionless polls and vote on Algorand blockchain.

Fabio Fiorella Developer Ambassador

AlgoRealm, a NFT Royalty Game

AlgoRealm is a simple NFT game that provides an example of how to build NFTs with embedded royalty policies on Algorand.

Cosimo Bassi Algorand

Fractional Auction Listing for Real Estate Investing

Deploy a Fractional Auction Listing Application using smart contracts and atomic transfers to allow investors to purchase fractional ownership of real estate.

Vincenzo Alaia Domain

ASA Bidding Application Using PyTeal

Solution that explains a system developed on the Algorand network that does automated bidding for an asset of interest for a predefined period of time. The app is developed using PyTeal and py-algorand-sdk

Vilijan Monev

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

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

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

Intermediate · 30 minutes

Build Algorand Android Smart Contract using Kotlin

This tutorial is targeted at beginners and intermediate Algorand developers who primarily develop Android Applications using Kotlin. The tutorial will also be beneficial to Java Android Developers as both languages have a lot in common.

Glory Agatevure Africinnovate

Intermediate · 30 minutes

Algo Builder Tutorial Part 2: Stateless Smart Contracts

Building Smart Contracts with Algo Builder. Our goal is to make shipping Algorand applications simple, efficient, and scalable.

Robert Zaremba Algorand Builder

Intermediate · 1 hour +

Milestone Dapp Built with Pyteal

We will build a decentralized milestone based application using pyteal and Python. PyTeal is used to write the smart contracts whereas interacting with them is done via Python using the `py-algorand-sdk`.

Oluwatunmise Olatunbosun

Intermediate · 30 minutes

A Crowdfunding DApp on the Algorand Network

A Crowdfunding Application built on the Algorand Network with the .NET Core framework. This will enable people crowdfund for their projects/businesses using the algorand protocol.