Algorand Developer Portal

Channel Manager for NFTs

A Software-as-a-Service based channel manager, connecting marketplaces and users to Algorand blockchain, using combination of intuitive features and simple interfaces.

Akshay Kant

Algorand QR Code Generator

A comprehensive Algorand QR Code generator (exportable to SVG, PNG and Base64). Works in Terminal, NodeJS and modern browsers. Complies to Algorand URI ABNF Grammar and RFC 3986.

MG Algorand DevAM

Case Study: OneStep Disaster Relief Platform Built on Algorand

This article describes the development of a comprehensive disaster relief platform powered by the Algorand blockchain.

Nitya Timalsina One Step Projects / Harvard

Using Stateful Smart Contract To Create Algorand Standard Asset

Using PyTeal and goal, we use a stateful smart contract linked with an escrow account to create an Algorand Standard Asset.

Gidon Katten

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

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

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Vaults are a security mechanism to prevent cryptocurrency from being immediately withdrawn by forcing its creator to wait a certain wait time after a request has been made, while also giving them the ability to cancel a request that they have not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

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

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

NFT Drop Created with Reach

An overview of the development of the Reach NFT Drop Dapp

Blake Wilkey

Code Upgradeability Made Easy with the Algorand VM

Algorand native code upgradeability makes life much more convenient. What would have to happen if that feature didn't exist? Take a deep look!

Giorgio Ciotti Algorand Foundation

Intermediate · 30 minutes

Algorand Blockchain Development using Reach Part 4 Trust - Commitments

In this tutorial, we implemented a secure version of Rock, Paper, Scissors. These are the cornerstones of Blockchain development.

Kwame Bryan Developer Ambassador

Beginner · 1 hour

Simple NPC game interactions using a stateful contract and atomic transfers

This tutorial will show you how to create a simple NPC game character using a stateful contract and atomic transfers. We'll also test it using the `goal` command line tool.

dooke

Intermediate · 1 hour

Hybrid Online / Offline Shared Management of Community ASA through Multisig Account

In this tutorial you will learn how to share the management of a “Community Membership ASA” among the Community Board members with a Multisignature Account using a hybrid Online / Offline approach