Blockchain: Is it hype?  93

Smart Contract

Social Impact Architecture

To sell agriculture

goods

Decentralised App

Proof of work or Proof of stake

Farmer gets paid ethically

Customer

Wallet

Visibility to check

end to end journey

of the agriculture

product

Customer

Farmer

Ethereum Public Blockchain

Distributed Ledger

Farmer

Wallet

A

C

B

D

E

Figure 3.4  Social impact use case blockchain architecture.