YouTube Video https://youtu.be/lag3G5rRWWI Speaker Ken Anderson | Chief Developer Advocate | Hedera Hashgraph

1. Ken Anderson
Chief Developer Advocate

2. The Power of the Memo Field

3. What is all this “distributed
ledger technology” stuff about?

4. Storage?

5. Compute?

6. Trust

7. How do I get trust with Hedera?

8. Transaction
156
Option 1: Ask around

9. getReceipt
Receipt
getReceipt
Receipt
Option 1: Ask around

10. Transaction
+
createRecord
Option 2: State proofs

11. Option 2: State proofs

12. Option 2: State proofs

13. Option 2: State proofs

14. getRecord
Record
+
State Proof
Option 2: State proofs

15. Option 3: Ask yourself

16. New concept break…

17. Mirror networks

18. 166
M
M
M
U
U
M
M
M
MM
M
M
M
M
M
M
M
M U
U
U
U
Hedera
Network
(Create Events)

19. Transaction
Option 3: Ask yourself

20. THE TRANSACTION
Transaction ID (Account ID + Timestamp)
Transaction Fee
Valid Duration
Record: Bool
Memo
Body
Node ID

21. THE TRANSACTION
Transaction ID (Account ID + Timestamp)
Transaction Fee
Valid Duration
Record: Bool
Memo
Body
Node ID

22. THE TRANSACTION
Transaction ID (Account ID + Timestamp)
Transaction Fee
Node ID
Valid Duration
Record: Bool
Memo
Body
(100 Bytes)
• SHA384 Hash
• Small text message
• Small encrypted message

23. LET’S GET CREATIVE
Micropayments
Extremely fast and cheap, but now I can include some logic in the
transaction if I know the interested party hosts a Mirror node.

24. LET’S GET CREATIVE
Micropayments
Extremely fast and cheap, but now I can include some logic in the
transaction if I know the interested party hosts a Mirror node.
Supply chain
Every party in the supply chain hosts a Mirror node. At every hand-off in
the supply chain process, the two parties sign and transmit a hash of the
process step as a very small cryptocurrency transaction and every Mirror
node host now becomes a witness of that hand-off.

25. LET’S GET CREATIVE
Micropayments
Extremely fast and cheap, but now I can include some logic in the
transaction if I know the interested party hosts a Mirror node.
Supply chain
Every party in the supply chain hosts a Mirror node. At every hand-off in
the supply chain process, the two parties sign and transmit a hash of the
process step as a very small cryptocurrency transaction and every Mirror
node host now becomes a witness of that hand-off.
Telecom
Each telco hosts a Mirror node. Reporting roaming
and remitting payment for usage can be near-real time.

26. What future will you build?