Concept of transaction routing system.

1. Distributed
Blockchain
Processing

2. What is processing?

3. Processing

4. Race Condition
• Unsafe operations with shared resource
• Unsafe replication over distributed resource

5. Serious bug?
https://en.wikipedia.org/wiki/Northeast_blackout_of_2003

6. Lock

7. Deadlock

8. Soft lock
select balance from customers where id = $id;
{logic}
update customers set balance = $new_balance
where id = $id and balance = $balance;

9. Eventual consistency

10. Starbucks case
http://sakurity.com/blog/2015/05/21/starbucks.html

11. WTF blockchain?
• Check sequence
• Check integrity
• Authenticate transactions

12. DHT

13. DHT + Blockchain

14. DHT + Blockchain

15. Consistency control

16. Consistency control

17. Consistency control

18. Benefits
• Uniform distribution transactions all over cluster
• Execution time have weak dependency on number of nodes
• Real-time transactions.
• Blockchain can be validated
independently.

19. Real-time

20. Further
• BTC integration
• Fail tolerance
• BitTorrent announce

21. Questions ?