Presentation given by the Proffer team during their hackathon launch ceremony at IIT Delhi on November 10. In partnership with NITI Aayog, Microsoft, IBM, Accel Partners, AWS, and Coinbase/Toshi. $17K+ in prizes for your Ethereum/Hyperledger projects.

1. Proffer Hackathon
Blockchain for societal good
NITI Aayog
Government of India

2. • Motivation
• Challenge Problems
• Development Tools
• What to submit
• How to submit
• Judging Criteria
• Prizes
• Schedule
• Slack
• Twitter
• Q&A
Agenda

3. Motivation
Source: CoinSchedule ICO Stats

4. Motivation
Source: CoinSchedule ICO Stats
Looking beyond the bubble

5. Challenge Problems
Finance
(for societal benefit)
Crowdsourcing
(with rewards)
Enterprise/Government
Infrastructure
(e.g. IndiaChain)
• Peer to Peer lending
• Crowdfunding public
goods
• Ensured Payment
Invoicing § Use ‘correctness’ to
reward or penalize
responders
• Monetized Q&A
• Polling
• Job Matching
• People Matching
• Legal Advice
• Health Advice
• Land Registration /
Smart Property
• Supply Chain tracking:
movement of medicines,
goods
• Employer and University
Certificates on the
blockchain
• Electronic Health
Records

6. Example Flow
“on-chain”
“off-chain”
§ mobile apps
§ web apps
§ smart contracts
Ensured Invoicing

7. Dev Tools
“on-chain”
“off-chain”
§ mobile apps
§ web apps
§ smart contracts
Summary
from
fromWeb3.js
Ethereum Hyperledger
Fabric SDK
Fabric Client SDK

8. Dev Tools Toshi for Ethereum dApps

9. Dev Tools Recommendations
Finance
(for societal benefit)
Crowdsourcing
(with rewards)
Enterprise/Government
Infrastructure
(e.g. IndiaChain)
To build mobile apps that transfer ETH between users, use Toshi.
To build web apps that talk to Ethereum smart contracts, use web3
To write custom smart contracts:
§ Ethereum: use Truffle, code in Solidity
§ Hyperledger: use Fabric SDK, code in GoLang
To write custom smart contracts:
§ Ethereum: use Truffle,
code in Solidity
§ Hyperledger: use Fabric SDK,
code in GoLang

10. What to submit
§ Screencast with voiceover (max 2 mins) of your mobile app, web app, or
smart contracts.
§ Link to your github repository with full source code and README.
Make sure your repo is public.
§ 1 paragraph writeup on problem you are solving.
§ 1 paragraph writeup on your solution.

11. How to submit Deadline 11:59pm Nov 13

12. Judging Criteria
Use of Blockchain/Distributed Ledger Technology: Does your Toshi app make use of
Ethereum features? Did you write smart contracts for Ethereum/Hyperledger?
Quality of Technical Implementation: Does the Toshi app work? Does the smart
contract compile? To what extend does it do what was intended?
Relevance of Idea to Blockchain: Can your problem area benefit from blockchain use in
the first place? How innovative is your use case?
Clarity of Demo and Documentation: Is your 2 min screencast clear and compelling?
Does your README file on GitHub explain your architecture well?
Impact to Society of Solution: How many people / organizations are affected by your
project? Does it make the world a better place.

13. Prizes
$5,000
ETH
Blockchain
Internship
IBM Research
$3,000
USD
$4,000
USD
$5,000
AWS credits
For use of
Toshi
Anybody Anybody Anybody For use of
Hyperledger

14. Schedule Saturday Nov 11: Tech Workshops

15. Schedule Sunday Nov 12

16. Schedule Monday Nov 13

17. Join Slack For live chat + expert help
http://bit.ly/JoinProfferSlack

18. Twitter Sharing is caring
#ProfferHackathon
@proffernetwork

19. Q&A + thanks to all partners
NITI Aayog
Government of India