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teal

Showing 238 posts related with teal.

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    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
    Stefano De Angelis University of Southampton
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    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
    Gidon Katten
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    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
    Robert Zaremba Algorand Builder
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    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
    Lucas Van Mol
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    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
    Vilijan Monev
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    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    Vaults are a security mechanism to prevent cryptocurrency from being immediately withdrawn by forcing its creator to wait a certain wait time after a request has been made, while also giving them the ability to cancel a request that they have not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
    Roberto Pettinau Università degli studi di Cagliari
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    What's the best way to learn about Algorand?

    This blog describes my journey to learning Algorand development and provides you with tips on how to get started building on Algorand.

    Camille Dubois
    Camille Dubois
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    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
    Dame Seiel
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    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
    Ori Shem-Tov Algorand
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    How does an Extendable DAO work?

    An Extendable DAO allows for an eager community to build upon the DAO, adding new functionality and activating it by voting.

    Steve Ferrigno
    Steve Ferrigno Algorand
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    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
    Giorgio Ciotti Algorand Foundation
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    Unpredictable Randomness Thanks to Verifiable Random Functions

    Ever wondered how VRFs are used in Algorand? Find out in this article!

    Giorgio Ciotti
    Giorgio Ciotti Algorand Foundation
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    Intermediate · 1 hour +
    JavaScript icon

    Algorand Blockchain Development using Reach - Part 7: React.js Front End and AlgoSigner Integration

    In this final entry in the series dApp development with Reach. We add a UI to our Rock Paper Scissors game. We will also interact with AlgoSigner as our Web Wallet. We assume the reader has followed the full tutorial series and Reach reference docs.

    Kwame Bryan
    Kwame Bryan Developer Ambassador
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    Beginner · 15 minutes or less
    goal icon

    Exploring the Algorand Sandbox

    Explore how the Algorand sandbox works, it's configuration files, interesting artifacts, and how to spin up your custom Algorand network from a genesis file.

    Tobias Schmidt
    Tobias Schmidt
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    Intermediate · 30 minutes
    Java icon

    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
    Glory Agatevure Africinnovate
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    Intermediate · 30 minutes
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    Algo Builder Tutorial Part 4: Testing Smart Contracts

    In this tutorial we present how `algob` helps the developers to test their smart contracts effectively.

    Robert Zaremba
    Robert Zaremba Algorand Builder
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    Intermediate · 1 hour
    Python icon

    Track 65,000 Tickets - Arrays in Algorand

    Learn how to create, update and read arrays in Algorand. We will utilize key-value pairs, bytes, and bits to persistently store almost 65,000 elements in a single smart contract.

    Gidon Katten
    Gidon Katten
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    Intermediate · 30 minutes
    JavaScript icon

    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
    Robert Zaremba Algorand Builder
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