Create Publication

We are looking for publications that demonstrate building dApps or smart contracts!
See the full list of Gitcoin bounties that are eligible for rewards.

Challenge

Showing 28 posts related with Challenge.

  • Post Thumbnail

    Prove your Skills with Algorand Code Challenges

    The Algorand Developer Portal has a new way to learn how to become an Algorand developer: Challenges.

    Ian Cross
    Ian Cross Algorand
  • Post Thumbnail

    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
    Eric Gieseke Algorand
  • Post Thumbnail

    Example Permissioned Voting Stateful Smart Contract Application

    This solution explains one way to build a permissioned voting application on the Algorand Blockchain.

    Jason Weathersby
    Jason Weathersby Algorand
  • Post Thumbnail

    Using the Circle API to transfer funds between the Algorand blockchain and traditional bank accounts

    This article describes the new TestNet dispenser’s design and implementation, enabling both USDC and Algos for testing.

    Eric Gieseke
    Eric Gieseke Algorand
  • Post Thumbnail

    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
    Nitya Timalsina One Step Projects / Harvard
  • Post Thumbnail

    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
  • Post Thumbnail

    An Algorand Blackjack implementation with Beaker

    Blackjack is the most played casino bank card game in the world. We show an implementation of a smart contract that runs single-player blackjack games against the bank in Beaker.

    Emanuele Cuncu
    Emanuele Cuncu
  • Post Thumbnail

    Flash Loans on Algorand VM vs Ethereum VM

    Have you ever wondered how Algorand feature set comes together to offer easy and convenient financial trades? Find out how it made flash loans easier!

    Giorgio Ciotti
    Giorgio Ciotti Algorand Foundation
  • Post Thumbnail
    Intermediate · 1 hour +
    JavaScript icon

    Using loop invariants for verification in Reach

    Loops can be quite useful for writing Reach programs but verifying the outcome of loops can be challenging. In this tutorial, we will go through a tour of one of the most important features of Reach - automatic verification of loops using invariants.

    Anmol
    Anmol
  • Post Thumbnail

    Building on Algorand: Developer Week 2020 Hackathon, Recap and Code

    Over 600 attendees participated recently at the Algorand Sponsored Developer Week 2020 in San Francisco...

    Russell Fustino
    Russell Fustino Algorand
  • Post Thumbnail

    Reach - The Easiest and Safest way to Build DApps

    Blockchain development is hard. Existing tooling is complex, time-consuming to use and not robust against common programming oversights. Reach is fundamentally changing the way blockchain developers approach their craft, safely, efficiently and with formal proofs.

    Chris Swenor
    Chris Swenor Reach
  • Post Thumbnail

    Algorand INNOVATE Hackathon Winners

    We’d like to congratulate all teams building for the Algorand INNOVATE Hackathon and announce our Winners. Hackers’ were presented with three themes to build projects that would further promote the growth of the Algorand ecosystem.

    Tony Albanese
    Tony Albanese Algorand
  • Post Thumbnail

    Meet the Winners: Schelling Point Virtual Hackathon 2022

    Meet the winners of the Gitcoin hackathon focused on DeFi apps, developer tooling, and DAO projects.

    Michiel Mulders
    Michiel Mulders Algorand
  • Post Thumbnail

    Randomness on Algorand

    Explaining the new randomness capabilities on Algorand.

    Anne Kenyon
    Anne Kenyon Algorand
  • Post Thumbnail

    Developer Improvements in go-algorand 3.16

    go-algorand 3.16 introduces several noteworthy useful improvements for developers. We highlight and explain them here.

    Anne Kenyon
    Anne Kenyon Algorand
  • Post Thumbnail

    Reaching new transaction speeds on Algorand

    Introducing 3.3s transaction finality

    Juan Granados
    Juan Granados Algorand Inc
  • Post Thumbnail

    New Algorand Projects

    Several projects have been added on the developer portal in the application section. Also, the API Services and Infrastructure section was updated as well. This post provides some interesting highlights for developers.

    Russell Fustino
    Russell Fustino Algorand
  • Post Thumbnail

    Algorand Developer Bootcamp | Beginner

    ### Why should I be interested in learning about Algorand and participating in the Bootcamp? * Algorand has different SDK’s to help you with the building process in different languages and with extensive documentation. * The costs and speed for testing on Algorand are extremely low, which will allow you to learn and test without friction. * The companies that work with Algorand are constantly looking for developers to join their work teams. At the end of the Bootcamp you will be able to participate in solving challenges that will test your knowledge and will serve as a cover letter for you to apply for a Web3 job in the Algorand ecosystem. * This Beginner bootcamp will give you the foundations needed to take part in our Intermediate bootcamp. * Grow your web 3 developer skills on time to be able to participate in our exciting Global Virtual Hackathon at the end of the year. We’ll release more details shortly. **Each session will be 2 hours. Here’s what you can expect to cover over the 4 days:** * Session 1: Algorand Developer Onboarding with JavaScript SDK & AlgoKit Installation * Session 2: Building a dApp with Beaker and Deploying with dAppFlow * Session 3: Building & Debugging dApps with Beaker + PyTeal + PyTest * Session 4: Adding a TypeScript Frontend UI to the Auction dApp ### Why Algorand? When you decide to start working in blockchain, it is essential that you know the characteristics of the protocol that you are going to use, here are those of Algorand: * It is a layer 1 network that can process 10,000 transactions per second. * The cost per transaction is 0.001 ALGO == $0.0003 USD Approx. * Our blocks are processed in 3.3 seconds. * We are a carbon negative blockchain as we are committed to being environmentally friendly.

    Emma Barry Murphy
    Emma Barry Murphy Algorand
  • Load More