Page 104 - U4SSC Blockchain for smart sustainable cities

Table A.5 (I): Technical characteristics of blockchain for cities use-cases
Use Cases
Technical
Characteristics Weekend Fairs Active Citizen Land Titling Energy Systems Debt relief e-vote for cell
towers
How important
is the integration High High High High High High
with legacy
systems
How important is
it to allow future Medium Medium Medium High High Medium
integration with
other systems
How important
is security of the Medium Medium High High High Medium
system
Framework used Ethereum Ethereum Bitcoin Ethereum Sovrin SAP
Current users in 100+ citizens 200+ citizens Check 33 Households 5000 Not available
the system
Public or private Public Public Private Public Public Private
Permissioned or Permissioned Permissioned Permissioned Permissioned Permissioned Permissioned
permission less
Similar to Practical
Consensus Proof of Proof of Proof of Proof of
mechanism Authority Authority Byzantine Fault Authority Authority Not available
Tolerance
Use of smart Yes Yes Yes Yes Yes Yes
contracts
Use of Not available Not available No No No Not available
cryptocurrency
Use of token Not available Not available No EWF Token No Not available
Public Key
Public Key Public Key Public Key
Type of Cryptography,
cryptography Cryptography, Cryptography, Hash Functions Cryptography, Zero Knowledge Not available
Hash Functions Hash Functions Hash Functions
Proof

94 U4SSC: Blockchain for smart sustainable cities