Blockchain Technology and Cryptocurrencies
Shaping the Financial World
Internet and the Payments Riddle
- How to Move Value on the Internet
- Securely
- Efficiently
- As a Packet of Data – Peer to Peer
- While Prohibiting Double Spending
Early Cryptographic Digital Currencies ... Failed
Notable Efforts
- DigiCash (1994), Mondex (1994), CyberCash (1994)
- E-gold (1996), Hashcash (1997)
- Bit Gold (1998), B-Money (1998), Lucre (1999)
Hurdles
- Merchant adoption
- Centralization
- Double Spending
- Consensus
Early Digital & Mobile Payment Solutions
