4. 4
That decentralizes data in a trustless environment
Traditional System
Centralized system
with stored ledger
Blockchain System
Distributed system
with distributed ledger
Traditional ledgers are centralized and use 3rd parties and middlemen to approve and record transactions
Blockchain safely distributes ledgers across the entire network and does not require any middleman
The technology maintains multiple replicas like p2p torrent file sharing
5. 5
Ledger: Blockchain uses a distributed ledger to track transactions
A ledger is a write only database most commonly used in accounting
The digital distributed ledger creates the same copy of the data across all the participating nodes
All new transactions are digitally signed and then broadcast across the blockchain network to be added to the system
Participants in the blockchain verify the transaction is valid and then writes it to the ledger
This is the technology originally designed to power the bitcoin currency
Entire network has
same ledger
FROM TO PROPERTY VALUE
Alex Katie Payment $500
Jim Sally Payment $300
Alex Garth Asset Car
Katie Tony Payment $100
Molly Paula Message I love you
Example ledger
6. 6
Example: Blockchain transacation
In this example, Alex wants to send Katie $500 via a financial transaction blockchain system
Alex Katie Payment $500
Transaction (Tx)
From: Alex (0xf5e…)
To: Katie (0x992…)
Amount: 500
Digital signature
0x23e423s3234…
2. Pushed and shared with
the network
Tx
Signature
Tx
Signature
Tx
Signature
Tx
Signature
Tx
Signature
Tx
Signature
3. Confirmed by a miner in
a block that is shared1. Transaction is created and is
put into pool of pending
transactions to be confirmed
7. 7
Transactions are connected within a chain of blocks
Transactions are grouped together in blocks. These blocks represent the order of transactions
Blocks are linked to previous blocks, which make the blockchain
The transaction chain tracks how ownership changes, while the block chain tracks the order of transactions
Transactions within the same block are considered to occur at the same time
Block 0 (0x23e…)
Transaction 1
Transaction 2
Transaction 3
Confirmed new block
Block 1 (0x5ef…)
Transaction 4
Transaction 5
Transaction 6
Previous Block
0x23e…
Block 1 (0x976…)
Transaction 7
Transaction 8
Transaction 9
Previous Block
0x5ef…
8. 8
Decentralization has great benefits & changes
fundamental processes & models
Eliminates Intermediaries
Reduces Fraud
Increases Efficiency and Speed
Increases Revenue and Savings
9. 9
And it will disrupt multiple industries
Retail & Manufacturing
Financial Healthcare Government
10. 10
We’ve delivered an open, broad,and
flexible cloud across the stack
Applications Management Clients
Web App Gallery
Dozens of .NET & PHP CMS and Web apps
Infrastructure Databases App Frameworks
SQL Server
+Hundreds of community supported
images on VM Depot
Azure BaaS
HyperScale
EnterpriseGrade
Hybrid
Microsoft Azure | An Open Cloud
Open source technologies will serve as the building blocks for this ecosystem
Project “Bletchley” will remain open to all protocols, consensus algorithms, databases, and virtual machines
Project “Bletchley” is a modular framework, which allows users to select the combination of technologies that best fits their needs