Charles Cai (charles-cai)

London, United Kingdom
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Hedera22: Hello Smart Contracts

Online

Build the next game-changing decentralized application with scalable Solidity Smart Contracts on Hedera.

$864,000 in prizes
Winners announced
2479 participants

Web3 World Championship

Online

Do you have what it takes to become the next Web3 World Champion? Build a project with Nervos Blockchain in the 100M Dash, Art Attack, and either the Marathon or the Relay Event.

$76,400 in prizes
Winners announced
1140 participants

IGNITION | A Global Solana Hackathon

Online

Launching the next wave of crypto apps and infrastructure

$5,120,000 in prizes
Winners announced
5799 participants

Create and Build_ on Chia!

Online

Create and build working Blockchain applications utilizing Chia. Themes may include, but are not limited to Improved DeFi, Improved NFT, Gamefi, Tools and Wallet, etc.

$400,000 in prizes
Winners announced
330 participants

DefiSummer

Online

All Summer. All DeFi. All Welcome

$16,000 in prizes
Winners announced
321 participants

Ford Smart Vehicle Connectivity Challenge

Online

Build a connected vehicle application to assist drivers using the FordConnect API.

$25,000 in prizes
Winners announced
572 participants

The Square Unboxed Hackathon

Online

Build apps for millions of businesses who use Square

$60,000 in prizes
Winners announced
445 participants

Neo Frontier Blockchain Launchpad

Online

Be among the first to develop an application on N3 - the groundbreaking new version of the Neo blockchain.

$106,000 in prizes
Winners announced
657 participants

Formula 0001: Rapyd Fintech Grand Prix

Online

A hackathon for the future of fintech. Build a fintech or payments application using the Rapyd platform.

$260,000 in prizes
Winners announced
965 participants

MLOps for Good Hackathon

Online

Join us for the first-ever MLRun hackathon, to help bring data science to production for social good.

$13,492 in prizes
Winners announced
286 participants

5G Edge Computing Challenge with AWS and Verizon

Online

Build low-latency applications using AWS Wavelength on Verizon’s 5G Edge.

$50,000 in prizes
Winners announced
731 participants

IoT & AI for Ecosystem Restoration & Multihazard Resilience

Online

Find impactful solutions to the key issues and problems in the ecosystem

₹ 125,000 in prizes
Winners TBD
90 participants

Duke Summer Blockchain Hackathon

Online

Join Duke Pratt School of Engineering, Duke Innovation & Entrepreneurship, Hack Duke, and Rev for our 7-day blockchain hackathon!

Non-monetary prizes
Winners announced
47 participants

Chainlink Virtual Hackathon Spring 2021

Online

Build the next generation of smart contracts with Chainlink Oracles

$134,300 in prizes
Winners announced
737 participants

Microsoft Teams App Development Challenge 2021

Online

Build and publish an app for Microsoft Teams, the global collaboration platform with over 115 million daily active users.

$45,500 in prizes
Winners announced
1194 participants

Hyperledger BlockChain Hackathon Shanghai 2017 - 超级账本区块链黑客马拉松上海 2017

Zhongshan, China

Hyperledger - let's innovate and build the future! - by Wanda, IBM, Linux Foundation

$281,010 in prizes
Mar 10 – 12, 2017
46 participants

BIG DATA HACKATHON SAN DIEGO

San Diego, CA, USA

Your challenge is to create an app, platform, and/or technology that can tie into the public health theme using datasets provided via our special GitHub site.

$1,050 in prizes
Feb 18 – 26, 2017
9 participants

Apache Spark™ Makers Build by IBM

Online

Build an Apache Spark™ application to address a real business problem or core business concern related to customer care, marketing, risk management, or operations.

$103,000 in prizes
Winners announced
509 participants

Ford Mexico Smart Journey

Online

Give Mexico City residents and visitors all the available transport options in one app that’s powered by public, private, and crowd-sourced data.

$29,000 in prizes
Winners announced
266 participants

Docker 1.12 Hackathon

Online

Build, ship, and run distributed apps using Docker 1.12!

$8,811 in prizes
Winners announced
250 participants

Knurld Hackathon

Online

Add cutting-edge Voice Authentication technology to your existing Android, iOS, or IoT application

$12,950 in prizes
Winners announced
334 participants

TechCrunch Shanghai 2016 Hackathon

Shanghai, China

All the people who are interested in technology will be so welcomed to join us,this will be a splendid stage for your amazing ideas.

Non-monetary prizes
Jun 25 – 26, 2016
49 participants

Samsung Makers Against Drought Challenge

Online

Makers Against Drought

$210,500 in prizes
Winners announced
553 participants

Hack Productivity

Online

Recode the productivity standard to help people do and achieve more using Microsoft Office 365.

$31,000 in prizes
Winners announced
678 participants

Hedera22: Hello Smart Contracts

Web3 World Championship

IGNITION | A Global Solana Hackathon

Create and Build_ on Chia!

DefiSummer

Ford Smart Vehicle Connectivity Challenge

The Square Unboxed Hackathon

Neo Frontier Blockchain Launchpad

Formula 0001: Rapyd Fintech Grand Prix

MLOps for Good Hackathon

5G Edge Computing Challenge with AWS and Verizon

IoT & AI for Ecosystem Restoration & Multihazard Resilience

Duke Summer Blockchain Hackathon

Chainlink Virtual Hackathon Spring 2021

Microsoft Teams App Development Challenge 2021

Hyperledger BlockChain Hackathon Shanghai 2017 - 超级账本区块链黑客马拉松 上海 2017

BIG DATA HACKATHON SAN DIEGO

Apache Spark™ Makers Build by IBM

Ford Mexico Smart Journey

Docker 1.12 Hackathon

Knurld Hackathon

TechCrunch Shanghai 2016 Hackathon

Samsung Makers Against Drought Challenge

Hack Productivity

Hyperledger BlockChain Hackathon Shanghai 2017 - 超级账本区块链黑客马拉松上海 2017