Martin Jee from Oxenbury Partners presents on DevDay at CordaCon 2019.

1. Community and Corda Code Clubs:
Inspiring local developers
and
building cool things
on Corda
By Martin Jee

2. 1 Year Anniversary Stats
 9 “extended-hackathon” events
 37 Corda Code Club evenings
 16 team mentors (3 of whom were “home grown”)
 228 hours of tuition
 17 Cordapps
 11 Judges
 104 developers have written their first Cordapp
 1 new company introduced
 9 participants have gone on to get a Corda-related job

6. REACTIVE
PROACTIVE

7. MARTIN JEE RUNS
CORDA CODE CLUB
ON A
PRO BONO BASIS
Vs.

8. What is a Corda Code Club
“extended-hackathon”?
 6-8pm each Tuesday evening for 6 weeks
 First timers : learn Corda within supportive environment
 More experienced developers:
 Try new use-cases, use latest features & use Open Source tools
 1st night : participants form into teams
 Each team is assigned a Corda mentor
 Use case is introduced by a Subject Matter Expert
 Teams decide what to build
 Over next 4 weeks
 Learn Nodes, States, Flows & Contracts
 Write their Cordapps
 6th night : demo night
 10 minute demos
 Panel of Judges
 2 prizes are awards : Technical Prize and Business Prize
 Prizes are fun
 Then out to dinner!

9. What is a Corda Code Club
“extended-hackathon”?
 6-8pm each Tuesday evening for 6 weeks
 First timers : learn Corda within supportive environment
 More experienced developers:
 Try new use-cases, use latest features & use Open Source tools
 1st night : participants form into teams
 Each team is assigned a Corda mentor
 Use case is introduced by a Subject Matter Expert
 Teams decide what to build
 Over next 4 weeks
 Learn Nodes, States, Flows & Contracts
 Write their Cordapps
 6th night : demo night
 10 minute demos
 Panel of Judges
 2 prizes are awards : Technical Prize and Business Prize
 Prizes are fun
 Then out to dinner!

11. Corda : The Land Of Opportunity

12. Corda Code Club, home to the World’s
first :
Decentralised Credit Scoring Cordapp

13. Corda Code Club, home to the World’s
first :
Property Conveyancing Cordapp

14. Corda Code Club, home to the World’s
first :
Construction Contracts Management Cordapp

15. Corda Code Club, home to the World’s
first :
P2P Neighbourhood Energy Trading Cordapp

16. Corda Code Club, home to the World’s
first :
Sustainable Fishing Rights Cordapp

18. Big Blockchain Bug Bounty Bake Off

19. Big Blockchain Bug Bounty Bake Off

20. Big Blockchain Bug Bounty Bake Off
“Zyzzyva” solution : a Reputation Points-based system
Bug Committers
submit bugs on the DAO
Committers & Enthusiasts stake money fix is worth
Developers
submit Pull Requests
Bug Committer
choses best solutions
voting process
Bug Committer and Enthusiasts vote
Votes = money staked
All fixes receive votes, get paid something
Fix with most votes receives the most money
Gitlab front end & run through comments

22. Texas Holdem Poker Cordapp

23. Texas Holdem Poker Cordapp

24. Texas Holdem Poker Cordapp : Team Bluff

25. Texas Holdem Poker Cordapp : Team Bluff

26. Texas Holdem Poker Cordapp : Team Bluff

27. Texas Holdem Poker Cordapp : Texas Foldem

28. Texas Holdem Poker Cordapp : Texas Foldem
PlayFLow - Deal Community Cards, Flop, Turn
and River

29. Texas Holdem Poker Cordapp : Texas Foldem

36. Remember, Remember the 5th of November

37. The End
BY MARTINIOUS MOUSE