
Beginner · 30 minutes
Read and Write to the Transaction Note Field with Python
Example Python to read and write into the note field.

Beginner · 30 minutes
Read and Write to the Transaction Note Field with Go
Example Go to read and write into the notefield

Beginner · 30 minutes
Read and Write to the Transaction Note Field with Go
Example using Go to read and write into the note field.

Beginner · 30 minutes
Read and Write to the Transaction Note Field with JavaScript
Example JavaScript to read and write into the note field

Beginner · 30 minutes
Read and Write to the Transaction Note Field with Java
Example Java to read and write into the note field.

Beginner · 30 minutes
Read and Write to the Transaction Note Field with Java
Example Java to read and write into the notefield

FDA Recalls Application
This application stores FDA recall data on Algorand’s blockchain and then uses Algorand's indexer to locate the FDA recall data.

Verify Signatures and Signed Data within Algorand Smart Contracts
This article explains how to use the ed25519verify opcode in conjunction with the tealsign goal command.

ASA Recurring Withdrawal DApp
Build an ASA's recurring withdrawal dApp combining Algorand Standard Assets, Algorand Smart Contracts and Atomic Transfers.

“Alexa, ask Algorand for the latest round on MainNet?”
Sample code for how to transform a few basic interactions with the Algorand blockchain into a voice-interactive experience using Alexa.

Decentralized Two-Factor Authentication With Algorand Standard Assets
Sample code for creating a basic two-factor authentication system with Algorand Standard Assets.

Creating a Point-of-Sale Application with the Algorand Blockchain
We show how to use Algorand’s blockchain to create an alternative payment solution for processing retail transactions. The solution demonstrates a point-of-sale application and a signing wallet.

Using the Algorand Blockchain to Track COVID-19
Sample code for scraping and processing IReport-Covid survey data from the Algorand Blockchain to better understand how COVID-19 affects people in real time.

Arduino on Algorand Blockchain
Sample code to connect any Arduino to the Algorand Blockchain.

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#.

Exporting Algorand Transactions for Tax Reporting
Export tool for exporting Algorand on-chain transactions including rewards for crypto-tax sites to consume.

Example Crowdfunding Stateful Smart Contract Application
This solution explains one way to build a crowdfunding application on the Algorand Blockchain.

Algorand Wallet Manager - Manage Your Own Wallets with a Graphical Interface
This solution introduces you to the Algorand Wallet Manager and describes common techniques in building a graphical interface on Algorand using Python.