The Distributed Ledger Technology
Prof (Dr) Vijay B Gadicha
Associate Professor
PhD Computer Sci & Engg
Session Targets
• Computing Historical Background
• Block-chain Fundamentals
• Opportunities in Block-chain
• Block-chain basic structure
• Block-chain internals
– Cryptography
– Distributed Ledger
– Consensus
• Applications of Block-chain Technology
Computing Historical Background
• 1936: Charles Babbage
Computing Historical Background
• 1950-60: Stored Program Architecture
Computing Historical Background
• 1960-70s: Microprocessors
Computing Historical Background
• 1990s: Internet
Computing Historical Background
Internet
Data Integrity Data Confidentiality Authentication/Access
control
Computing Historical Background
Computing Historical Background
Computing Historical Background
Computing Historical Background
Computing Historical Background
Computing Historical Background
(2009)
Block-chain Fundamentals
• Blockchain is a shared, immutable ledger that
facilitates the process of recording
transactions and tracking the same in a
business environment.
Block-chain Fundamentals
Opportunities in Block-chain
Block-chain basic structure
Block-chain basic structure
Block-chain basic structure
Block-chain internals
Block-chain internals: Cryptography
Block-chain internals: Cryptography
Block-chain internals: Cryptography
Block-chain internals: Cryptography
(Symmetric Key)
Block-chain internals: Cryptography
(Asymmetric Key)
Block-chain internals: Cryptography
(Hash Code)
Block-chain internals: Distributed
Ledger
Block-chain internals: Consensus
Block-chain internals: Consensus
Applications of Block-chain
Technology
• LAND RECORDS
• CREDIT HISTORY
• AGRICULTURE
• VOTING
• CITIZEN SERVICES
• HEALTH CARE,
• INSURANCE AND SUBSIDIES
• GOODS AND SERVICES
• VACCINATION RECORDS
Thank You…..
Prof (Dr) Vijay B Gadicha
vbgadicha@gmail.com
www.facebook.com/vijaygadicha

Blockchain : Distributed Ledger Technology