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Article

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.

Tutorial

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

logicsignature

transactions

signatures

java

multisignature

Article

Adding mobile signing support to your dApp

Introduction to adding mobile wallet signing support to your dApp. WalletConnect protocol will be added to the Algorand Wallet shortly.

Tutorial

Intermediate · 30 minutes

Hash Time Lock Contract Template With Go

Build a Smart Contract that functions as a HTLC using Go

htlc

logic signature

logicsig

teal

v1 api

Tutorial

Intermediate · 30 minutes

Hash Time Lock Contract Template With Python

Build a Smart Contract that functions as a HTLC using Python

htlc

logic signature

logicsig

teal

v1 api

Tutorial

Intermediate · 30 minutes

Hash Time Lock Contract Template With JavaScript

Build a Smart Contract that functions as a HTLC using JavaScript

htlc

logic signature

logicsig

teal

v1 api

Tutorial

Intermediate · 30 minutes

Hash Time Lock Contract Template With Java

Build a Smart Contract that functions as a HTLC using Java

htlc

logic signature

logicsig

teal

v1 api

Solution

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.

transactions

java

point of sale

transaction gateway

Solution

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#.

transactions

asa

asc1

atomic transfer

c#

csharp

uwp

.net

iOS

Xamarin

Android

Solution

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).

python

asa

asc1

atomic transfer

smart contracts

pyteal

teal

game

Solution

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.

smart contracts

teal

SDK

Solution

ASA Recurring Withdrawal DApp

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

dapp

algorand standard assets

asc1

atomic transfer

pyteal

goal

teal

stateful smart contracts

Solution

Building iOS Apps Using Swift Algorand SDK

Demonstrates developing an iOS app using the Swift Algorand SDK

assets

iOS

Asset Manager

your own node

privatenetwork

Algorand SDK

create assets

PureStake

Solution

Simple example using Algorand with Unity 3D Engine

Initial example to integrate Algorand into a Unity 3D graphics engine project. A small step in the creation of Virtual Worlds and their BlockChain economy.

Solution

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.

Solution

Integrate AlgoSigner to JavaScript Application on Algorand

This solution contains several examples of different ways to use the Algorand JavaScript SDK, including sending transactions, creating atomic transfers, and interacting with Smart Contracts.

Solution

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

Solution

Getting started with Python Algorand SDK and Django

Step by step guide to the algodjango project presenting some Algorand's blockchain processes with the help of py-algorand-sdk package.

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