List of hackathons about api in 2019

About this Event We have two type of events the one being a "Tech Competition" and the other is "Design Competition" Both competitions will have a panned of 3 Judges who will decide the winner for the following prizes. Tech Competition Event Prizes:- First Prize Rs 20,000.00- Second Prize Rs 5,000.00- Best competitor Prize - Rs 5,000.00 Design Competition Event Prizes:- First Prize Rs 20,000.00- Second Prize Rs 5,000.00- Best competitor Prize - Rs 5,000.00 If you would like to participate please select a Tech or Design category and include total number of participants. We look forward to meet you at event. The event will be for an entire 2 days inside Auzmor office located at Workafella @Hitech City , Hyderabad. Pizza , coffee & water will be provided by Auzmor . Question or comments please email hima@auzmor.com or shreenath@auzmor.com. You can reach them at Call: +91-888-520-6724+91-888-520-6724 Click HERE to check out our team video +++DEADLINE TO APPLY as a contestant is April 19th 2019 before 2 pm IST+++

Blockchain enthusiasts in and around the Bay Area! Blockchain Founder Club (BFC) and INT9 Solutions invite you to participate in the "Enterprise Ready" hackathon. Register with a team, or join one on crowdforge. You'll be challenged to develop and pitch a proof of concept (POC) blockchain solution to an enterprise use-case provided by a corporate partner of the event.

Main price: 10 000 PLN. Second place: 2 000 PLN Third place: 1 000 PLN

We're calling people who are practicing: - DevOps Automation - User Interface - Fullstack Development - Android Development - iOs Development - Blockchain Development - Machine Learning - Artificial Intelligence Engineering What's in it for you? Offer letter on the spot for multiple positions in India and abroad Cash prizes Certificates of participation (all participants) Goodies (T-shirts, branded gifts, sponsorship & branded stickers, unlimited food, snacks and desserts, and whatnot) Tech2Hire Hackathon is a one-off opportunity for all those who want to change their careers like a shot. People are coming from across India. We're buzzing everywhere. Register at tech2hire.techolution.com

Cosmos/Tendermint Hackathon   Chain Accelerator is organizing, for Tendermint (tendermint.com) and Université Paris-Dauphine’s FinTech chair, a hackathon on April 13rd-14th 2019. To be won: 7 000 € from Tendermint 2 000 € from Tendermint 1 000 € from Tendermint For a TOP 3 project, if the project is accepted by Chain Accelerator, a 6 months incubation at Station F (Paris) will be offered For every participant: you will receive a link and first 50 signed up for the Chain Acc-ademy will receive a free ticket for the 2 days event Paris Blockchain Week Summit. HACKATHON RESERVED TO DEVELOPERS Here is a channel dedicated to the event, on our Telegram, useful if you want to meet participants: https://t.me/cosmoshackathonparis Each team’s aim is  to build a blockchain in its entirety, compatible with Cosmos/Tendermint ecosystem, as well as the corresponding user interface. For this, participants will use Cosmos-SDK, a Golang framework allowing to easily build blockchains from modules. Place: PARIS Université Paris-Dauphine Place du Maréchal de Lattre de Tassigny, 75016 Paris Hackathon’s opening at Room Raymond Aron. Lecture Hall 2, 3 and 4 for team work. Hall 2 for meals Room Raymond Aron Panel: Nicolas Cantu  co-fondateur  Chain Accelerator Herve Alexandre, directeur de la Chaire Fintech chez Fondation Paris-Dauphine Gautier Marin: Developer Relations Engineer Billy Rennekamp: Developer Relations Engineer   Available Subjects (feel free to suggest some more): Proof-of-Authority : module Build a Cosmos SDK module that lets people permissionned validator set. The validator set can add or remove a validator provided 2/3 of current validators agree Universal Basic Income : moduleBuild a Cosmos SDK module with an in-built UBI logic Module manager : Build an npm-like module manager prototype for the Cosmos SDK Supply-chain blockchainBuild a simple supply-chain application specific blockchain on the Cosmos SDK (with an associated module) Local currency system : Build a blockchain the Cosmos SDK that lets people deploy their own local currency. DID Auth : Use the DID decentraized identity standard for authorization in a module Uniswap Module : Build a module that incorporates X*Y=K market making like that of Uniswap on EthereumDomain Name ServiceBuild a domain name service module like in the tutorial. Bonus: add some more complex buy/sell mechanisms Scaffolding Tools : Automate the build process of generating CLI and REST server for new modules ETH Token Peg Zone : Implement a zone which acts as a peg between a popular blockchain like ethereum and the cosmos ecosystem Wallet : Make a web app wallet that interacts with a cosmos blockchain (bonus use the chain id as a variable so you can switch between chains) Whitelist Auth : Let users authenticate off chain and gain access to a white list that gives them special permissions like 0 fees Permission To Public Validator Set : Propose a system for transitioning a permissioned validator set to a public validator set Validator Assesment : Make a Better Business Bureau-like entity which gives ratings of Validators based on their performance and delegator rewards Social Recovery Wallet : Use the multisig capabilites to create a wallet which can be recovered by some threshold of signatures from friends or family IBC MVP : Implement a MVP version of IBC (https://github.com/cosmos/cosmos-sdk/tree/develop/docs/spec/ibc) in the language of your choice. Governance forum : Build a whole governance platform centered around the governance module (pre-proposal discussion, feedback, etc;) TCR : Build a token curated registry that improves upon the ethereum model using fast finality, cheap transactions and asynchronous hooks Participants: Between 50 and 75 people including: Grandes Ecoles, researchers, ideation startups, engineer and business schools, and independent geniuses.Come with your team or come to complete an existing team. Schedule/Program: Saturday 9:30 - 9:45 am: Arrival, welcome & arrangement Saturday 9:45 - 10:15 am: Hackathon’s and Cosmos/Tendermint presentation Saturday 10:15 - 10:30 am: Teams’ creation, Github projects and running order Saturday 10:30 am - Sunday 4:15 pm: Projects development Saturday 4 pm Snack break Saturday 7:30 pm: doors closed Sunday 9:30am: doors open Sunday 4 pm Snack break Sunday 4:15 - 5:15 pm: 5 minutes pitch with a working demo of each project Sunday 5:15 - 5:30 pm: Panel decisions Sunday 5:30 - 6 pm: Announcing winners and prize giving Proceedings: Teams are composed of 3 to 5 persons to make between 7 and 10 teams Ideally mixed: 3-4 developers + business and research Possibility to develop on site or remotely Wifi available, you just need to bring your stuff (laptop, chargers, ...) Using Github to upload projects Free food and drinks: pizzas, cakes, sodas, water, …  About Cosmos: Cosmos is an Internet of Blockchains project. Cosmos’ purpose is to allow any developer to easily develop his own blockchain with Tendermint and Cosmos-SDK, and connect these chains to each other thanks to a protocol named Inter-Blockchain Communication Protocol. Cosmos Resource List : https://github.com/gamarin2/cosmos-resources Introductory Material What is Cosmos*: An introduction to the Cosmos/Tendermint ecosystem. Bitcoin Whitepaper*: Whitepaper of Bitcoin. Ethereum Whitepaper*: Whitepaper of Ethereum. Cosmos Whitepaper*: Whitepaper of the Cosmos project. Why Application-specific Blockchains make sense: Cosmos blockchains vs Smart contracts. Many Chains One Ecosystem: A video introduction to Cosmos by Sunny Aggarwal. Blockchain-related essential knowledge Public Key Cryptography*. Hash functions*. Merkling in Ethereum: A good intro to merkle trees and merkle proofs. Cosmos-SDK SDK Intro*: Overview of the Cosmos-SDK. SDK Tutorial*: A simple tutorial to learn the SDK. SDK Documentation*: Documentation of the Cosmos-SDK. SDK Specifications: Specifications of the Cosmos-SDK + some modules. Tendermint + ABCI Tendermint Thesis: A good primer on Tendermint and BFT consensus. Tendermint Documentation: Documentation of the Tendermint Consensus Engine. Tendermint ABCI: Documentation of the Application-Blockchain Interface (ABCI). Tendermint Video Explainer: Explanation of Tendermint by Christopher Goes. Tendermint Specification: Formal specification of the Tendermint’s consensus algorithm. Tendermint’s first Audit: A summary of the first Tendermint’s audit by Jepsen. Ethan Buchman’s Tendermint podcast: Software Engineering Daily podcast with Ethan Buchman about Tendermint and consensus in general. Proof-of-Stake Ethereum’s Proof-of-Stake FaQ: Must read to learn about Proof-of-Stake. Introduction to Proof-of-Stake by Bitmex. Vitalik’s blog post on weak subjectivity: A good piece to understand the importance of weak subjectivity in PoS systems. Cosmos Proof-of-Stake specification: Specification of the staking module of the Cosmos-SDK. Interoperability Interoperability and Cosmos Podcast: A podcast about interoperability with Sunny Aggarwal. Cosmos IBC specification: Specification of the Inter-Blockchain communication protocol (https://github.com/cosmos/cosmos-sdk/tree/develop/docs/spec/ibc). Blockchain governance Blockchain Governance: Programming Our Future: A cool blog post on blockchain governance. Cosmos Governance Specification: Specification of the governance module of the Cosmos-SDK. Advanced reading What are Zk-SNARKs. What are Zk-STARKs.    About Paris Dauphine: Paris Dauphine University (French: Université Paris-Dauphine), often referred to as Paris Dauphine or Dauphine, is a selective public research and higher education institution in Paris, France. It is the only institution in France to be both a grande école and University. Dauphine was founded as a faculty of economics and management in 1968 in the former NATO headquarters in western Paris, in the 16th arrondissement. Dauphine is renowned for its teaching in finance, economics, law, finance and mathematics and business strategy. Dauphine is a selective university with the status of "Grand Etablissement"; this unique legal status within the French higher education system allows Dauphine to make an entrance selection of its students. On average, 90 to 95% of the accepted students received either high distinctions or the highest distinctions at their French High School National Exam results (Examen National du Baccalauréat). Dauphine is also a founding member, and now a constituent college, of Université PSL. It also belongs to the Conférence des Grandes écoles. About Chain Accelerator: Chain Accelerator is one of the world's leading accelerators, fully dedicated to the advancement of blockchain technology. Chain Accelerator supports a growing ecosystem: startups, protocols, universities, businesses, developers, cyber security communities and especially promising entrepreneurs, while providing investors with unique access to blockchain projects. Chain Accelerator is located at Station F in Paris to support blockchain startups around the world. Chain Accelerator is the co-organizer of CryptoMondaysParis and the Paris Blockchain Week.       Merci aux partenaires de la chaire Fintech de l'Université Paris-Dauphine : Merci aux partenaires de Chain Acceleraror :

College student hackers! You're invited to participate in Def Hacks Seattle 2019 -- a 24-hour hackathon hosted at Microsoft HQ (noon-to-noon), with a heavy focus on FinTech. Company APIs and Hardware Labs will be available. Come socialize, collaborate and compete for cash prizes.

Hackers in the San Francisco Bay Area! If you're interested in using technology for social good and care about the current situation of Venezuela, then you're invited to participate in the Code for Venezuela SF hackathon. You'll collaborate with like-minded individuals to leverage technology to solve real-life challenges including using data to analyze, understand and communicate the Venezuelan crisis, and connecting the Venezuelan diaspora with the country using digital products and platforms.

Do Instagram posts show happy people and can there be such sensitive writing in a post that certain groups of people read it? What’s the mood on Twitter and other social networks? These are questions to answer during our hackathon! Join us for a fun, productive day and discover countless application possibilities that we are on the look-out for with the help of Natural Language, Content Processing, and your coding skills. There are no limits set to your creativity. IBM Watson and Amazon Rekognition are at your disposal. All results will be published on Github under GNU General Public license.

The challenge? Using Mastercard’s platform and blockchain API, you’ll have five hours to piece together a cryptographic puzzle. Be quick to follow the clues and solve the challenge for a chance to win a job interview with Mastercard and cash prizes! If you’re an expert in all things Java and currently open to new job opportunities, then there’s no reason to pass up this one-day challenge! On top of the career opportunity and big prizes, you’ll receive a pass worth 249 euros to the Dublin Tech Summit for FREE!

Students, professionals, and startups! Come and face four exciting energy efficiency challenges and create sustainable solutions to fight climate change! 1) The Energy Efficient Supermarket of Tomorrow (Danfoss) 2) Energy Efficient E-Mobility (ENGIE) 3) Which Thing Creates Energy Efficiency in Buildings? (GETEC) 4) Energy Efficiency as a Service (MVV Enamic) The event is free for students and post-grads! Students outside of Berlin -- send your CV to hack@deneff.org to win a travel pack!