Lecture 16: Blockchain as a Platform

Blockchain as a Platform
- Secure timestamping
- Burning bitcoin (unspendable transactions)
- Overlay currencies
- “Smart property” (colored coins)
- Blockchains as a source of randomness
The Bun: Bitcoin Fundamentals
Making Block Production Difficult
Hidden Message
The Timestamp Function
The Chelation Process
The Entire Block Chain
Data Storage On The Blockchain
Arbitrary Blockchain Content
Arbitrary Data
Tehnician: Perfect Traceability
Fungible Goods
Tracing Bitcoin Transactions
Benefits And Drawbacks Of Bitcoin
An Overlay Currency
Color Tokens
Dns And Ethereum
Multiparty Lotteries
Source Of Randomness
The Oracle Problem