Page 105 - U4SSC Blockchain for smart sustainable cities

Table A.5 (II): Technical characteristics of blockchain for cities use-cases (end)
Use Cases
Technical
Characteristics Digital Claim Financial
Democracy verification 18+ Emergency Healthy Stadjerpas BlinG BlinG
How important
is the integration Not available Not available Low Medium High Medium Low
with legacy
systems
How important is
it to allow future Not available Not available Low High Low Medium Medium
integration with
other systems
How important
is security of the High High High High High High High
system
Hyperledger,
Hyperledger Hyperledger Hyperledger
Framework used Hyperledger Hyperledger Unknown Hyperledger
Sawtooth Sawtooth IPFS
Fabric
Current users in
the system 60.000+ Not available Not available Not available 20000 Not available Not available
Public or private Public Not available Private Private Private Private Private
Permissioned or Permissioned Not available Permissioned Permissioned Permissioned Permissioned Permissioned
permission less
Consensus
mechanism None Not available Proof of Stake Not available Not available Not available RAFT
Use of smart YES YES No YES No YES YES
contracts
Use of Unknown at
cryptocurrency No No No No this stage No No
Unknown at
Use of token No No No No Not available No
this stage
Zero
Knowledge Zero Knowledge Public Key Public Key
Zero
Proof,
Zero
Type of Proof, Attributes- Cryptography, Knowledge Unknown Knowledge Cryptography,
Zero
Zero
cryptography Attributes- based Knowledge, Proof Proof Knowledge,
based
credentials credentials Hash Functions Hash Functions

U4SSC: Blockchain for smart sustainable cities 95