Blockchain for IoMT: A Technical Review
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Table 1. Classification of researches applying blockchain in IoMT
ContributionFramework
Type
Consensus Storage
Digital
signature
Smart
contract
Use case
[20]
NM
ConsortiumCluster
head
verifies
and adds
blocks
Off-chain
(cloud)
Ring
signature
Analyze and
manage
data
Manage
IoMT data
[14]
NM
Private
NM
On-chain
(hospitals)
NM
NM
Privacy and
data
integrity
preservation
[9]
Ethereum
Private
NM
Off-chain
(external server)
NM
Smart representations
of medical
records
Manage
IoMT data
[7]
Ethereum
Public
NM
Off-chain (IPFS)NM
Manage
interactions
between
patients and
their data
and doctors
Manage
IoMT data
[12]
Ethereum
Private
Proof of
medical
stake
Off-chain (IPFS)NM
Manage
access
control
Manage
access
control to
IoMT data
and devices
[2]
Hyperledger
Fabric
Private
NM
On-chain
(hospitals and
medical devices)
NM
Verifying
and
validating
transactions
Healthcare
remote
monitoring
[18]
NM
ConsortiumBFTSMaRt
On-chain
NM
NM
Manage
IoMT data
[5]
NM
Private
Cluster
head
verifies
and adds
blocks
Off-chain
(cloud)
Lightweight
ring
signature
Analyze
IoMt data
and control
patient
health
Remote
patient
monitoring
[17]
NM
Private
NM
Off-chain(cloud) NM
NM
Manage
IoMT data
and devices
[3]
Ethereum
Private
NM
Off-chain(cloud) NM
Manage
access
control
Monitor the
progression
of a
neurological
disorder
[4]
NM
Private
PoW
NM
NM
NM
Manage
IoMT data
[6]
Ethereum
Private
PBFT
On-chain
NM
Analyze
data and
send alerts
to patients
and
healthcare
providers
Remote
patient
monitoring
[19]
NM
NM
NM
Hybrid
NM
NM
Manage
IoMT data
[13]
Ethereum
NM
NM
NM
NM
Manage
access
control
Remote
monitoring
of diabetes
patients