Algorand Developer Portal

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.

Jason Weathersby Algorand

Intermediate · 30 minutes

How to use Multisignature Transactions in Java

This tutorial covers how to sign and send transactions from a multisignature account using the Algorand Java SDK

Jesulonimi Akingbesote Medflit

Intermediate · 30 minutes

Hash Time Lock Contract Template With Python

Build a Smart Contract that functions as a HTLC using Python

Jason Weathersby Algorand

Intermediate · 30 minutes

Hash Time Lock Contract Template With JavaScript

Build a Smart Contract that functions as a HTLC using JavaScript

Jason Weathersby Algorand

Intermediate · 30 minutes

Hash Time Lock Contract Template With Go

Build a Smart Contract that functions as a HTLC using Go

Jason Weathersby Algorand

Intermediate · 30 minutes

Hash Time Lock Contract Template With Java

Build a Smart Contract that functions as a HTLC using Java

Jason Weathersby Algorand

Improved Contract Debugging

This article summarizes changes recently made to the SDKs to support the dryrun REST endpoint and how this can be used to debug Algorand smart contracts.

Jason Weathersby Algorand

Hello Beaker

Introducing a framework for Smart Contract development on Algorand

Ben Guidarelli Algorand

AVM 7 New Features

This article summarizes the new features available in the Algorand Virtual Machine (AVM) version 7.

Jason Weathersby Algorand

Randomness on Algorand

Explaining the new randomness capabilities on Algorand.

Anne Kenyon Algorand

Reaching new transaction speeds on Algorand

Introducing 3.3s transaction finality

Juan Granados Algorand Inc

Algorand's Latest Upgrade: Dynamic Round Times & AVM v10

Learn what's new with release 3.21 & AVM v10

Giorgio Ciotti Algorand Foundation

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.

Eric Gieseke Algorand

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

AlgoNim

AlgoNim is the first Algorand game incorporating all the features introduced in Algorand 2.0: Algorand Standard Assets (ASA), Atomic Transfers (AT) and Algorand Smart Contracts (ASC1).

Cosimo Bassi 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