History Blockchain Keys Future JSE

Blockchain Demo

Digital Signatures

Alice

Private Key

Public Key

Data

Signature


Bob

Public Key

Data

Signature

Result


Blockchain History

1990's
Stuart Haber & Scott Stornetta build the first blockchain
2009
Satoshi Nakamoto releases Bitcoin whitepaper
https://bitcoin.org/bitcoin.pdf
2013
Bitcoin surpasses $1B. Vitalik Buterin releases Ethereum whitepaper
2015
Ethereum goes live enabling decentralized smart contracts and ICO boom
2017
JSE project launched to leverage unused resources within web browsers
2018
Cryptocurrency markets lose 80%~ of value as investors exit the markets :(


Blockchain Future & RBS

  • Efficiency
    • Bank settlements CHAPS/Swift > XRP
  • Smart Contracts
    • Tokenisation of assets ETF v2
  • Adoption
    • Potential to disrupt retail banking?