Sensors,
Год журнала:
2024,
Номер
24(24), С. 8189 - 8189
Опубликована: Дек. 22, 2024
This
study
presents
a
blockchain-based
traceability
system
designed
specifically
for
the
olive
oil
supply
chain,
addressing
key
challenges
in
transparency,
quality
assurance,
and
fraud
prevention.
The
integrates
Internet
of
Things
(IoT)
technology
with
decentralized
blockchain
framework
to
provide
real-time
monitoring
critical
metrics.
A
practical
web
application,
linked
Ethereum
blockchain,
enables
stakeholders
track
each
stage
chain
via
tamper-proof
records.
Key
functionalities
include
smart
contracts
that
automate
checks,
ensuring
data
integrity
providing
immediate
verification
product
authenticity.
Initial
user
feedback
highlights
system’s
potential
enhance
transparency
reduce
risks
market,
supporting
consumer
trust
regulatory
compliance.
approach
offers
scalable
solution
adaptable
other
high-value
agricultural
products,
demonstrating
blockchain’s
transformative
secure
transparent
food
traceability.
Blockchains,
Год журнала:
2025,
Номер
3(1), С. 1 - 1
Опубликована: Янв. 1, 2025
Federated
learning
(FL)
has
emerged
as
an
efficient
machine
(ML)
method
with
crucial
privacy
protection
features.
It
is
adapted
for
training
models
in
Internet
of
Things
(IoT)-related
domains,
including
smart
healthcare
systems
(SHSs),
where
the
introduction
IoT
devices
and
technologies
can
arise
various
security
concerns.
However,
FL
cannot
solely
address
all
challenges,
privacy-enhancing
(PETs)
blockchain
are
often
integrated
to
enhance
frameworks
within
SHSs.
The
critical
questions
remain
regarding
how
these
they
contribute
enhancing
This
survey
addresses
by
investigating
recent
advancements
on
combination
PETs
healthcare.
First,
this
emphasizes
integration
into
context.
Second,
challenge
integrating
FL,
it
examines
three
main
technical
dimensions
such
blockchain-enabled
model
storage,
aggregation,
gradient
upload
frameworks.
further
explores
collectively
ensure
integrity
confidentiality
data,
highlighting
their
significance
building
a
trustworthy
SHS
that
safeguards
sensitive
patient
information.
Blockchain Research and Applications,
Год журнала:
2023,
Номер
5(2), С. 100178 - 100178
Опубликована: Дек. 20, 2023
Protecting
private
data
in
smart
homes,
a
popular
Internet-of-Things
(IoT)
application,
remains
significant
security
and
privacy
challenge
due
to
the
large-scale
development
distributed
nature
of
IoT
networks.
Recently,
healthcare
has
leveraged
home
systems,
thereby
compounding
concerns
terms
confidentiality
sensitive
by
extension
owner.
However,
PoA-based
Blockchain
DLT
emerged
as
promising
solution
for
protecting
from
indiscriminate
use
preserving
individuals
residing
IoT-enabled
homes.
This
review
elicits
some
concerns,
issues,
problems
that
have
hindered
adoption
blockchain
(BCoT)
domains
suggests
requisite
solutions
using
aging-in-place
scenario.
Implementation
issues
with
BCoT
were
examined
well
combined
challenges
can
pose
when
utilised
gains.
The
study
discusses
recent
findings,
opportunities,
barriers,
provide
recommendations
could
facilitate
continuous
growth
application
healthcare.
Lastly,
then
explored
potential
permission
an
applicable
consent-based
model
decision-making
information
disclosure
process,
including
publisher-subscriber
contracts
fine-grained
access
control
ensure
secure
processing
sharing,
ethical
trust
personal
disclosure,
direction.
proposed
authorisation
framework
guarantee
ownership,
conditional
management,
scalable
tamper-proof
storage,
more
resilient
system
against
threat
models
such
interception
insider
attacks.
Automatika,
Год журнала:
2024,
Номер
65(2), С. 572 - 583
Опубликована: Фев. 7, 2024
Our
daily
activities
revolve
around
various
technologies,
the
smart
city
technologies
and
services
they
offer
have
all
influenced
modern
living
conditions.
The
purpose
of
a
is
to
enhance
people's
quality
life
provide
possibilities
address
social
environmental
issues.
As
developing
technology,
blockchain
beneficial
for
enhancing
including
food
tracking,
supply-demand
matching,
security
connected
cars,
regulatory
compliance.
We
propose
new
framework
describing
how
technology
used
in
contracts
improve
security,
dependability,
many
other
positive
outcomes
environment.
smarter
resilient
using
manage
real
estate
information.
with
tamperproof
functionality
store
data
retrieve
data.
Smart
contract
mathematical
computations
like
overhead
rate,
execution
time,
mean
computational
cost,
standard
deviation,
throughput,
resource
utilization
are
evaluated
results
compared.
This
paper
focuses
on
real-world
rental
file
management
scenarios
demonstrate
benefits
it
issues
that
currently
exist
while
exchanging
land
properties
International Journal of Online and Biomedical Engineering (iJOE),
Год журнала:
2024,
Номер
20(07), С. 4 - 17
Опубликована: Май 6, 2024
This
research
investigates
the
integration
of
blockchain
technology
in
vocational
education
Indonesia,
evaluating
its
impact
on
database
system
learning
outcomes.
Involving
86
Indonesian
students,
this
study
aims
to
assess
effectiveness
improving
students’
understanding,
skills,
and
academic
performance.
Using
a
quasi-experimental
design,
findings
showed
significant
improvement
outcomes,
as
evidenced
by
analysis
pre-test
post-test
scores.
The
measure
with
substantial
increase
approximately
46.50%,
emphasizes
positive
influence
student
achievement
systems
course.
will
contribute
valuable
information
educational
institutions,
policy
makers,
educators
who
wish
incorporate
new
technologies
such
into
their
systems.
implication
is
provide
recommendations
optimizing
technology,
which
significantly
affects
outcomes
realized
through
facilitating
fast
efficient
access
materials,
fostering
more
interactive
engaging
environment,
enhancing
understanding
industry
practices.
not
only
improves
quality
but
also
equips
students
for
successful
career
technology.
Sensors,
Год журнала:
2025,
Номер
25(3), С. 807 - 807
Опубликована: Янв. 29, 2025
Sharding
is
an
emerging
blockchain
technology
that
used
extensively
in
several
fields
such
as
finance,
reputation
systems,
the
IoT,
and
others
because
of
its
ability
to
secure
increase
number
transactions
every
second.
In
sharding-based
technology,
divided
into
sub-chains,
also
known
shards,
enhance
network
throughput.
This
paper
aims
examine
impact
integrating
securing
IoT
sensors,
which
further
for
environmental
monitoring.
this
paper,
idea
proposed,
along
with
advantages
disadvantages,
by
conducting
a
systematic
literature
review
studies
based
on
recent
years.
Based
research
findings,
beneficial
systems
improving
security,
access,
transaction
rates.
The
findings
suggest
issues,
cross-shard
transactions,
synchronization
concentration
stakes.
With
increased
focus
showcasing
important
trade-offs,
offers
recommendations
implementation
sensors
applications
environment
These
valuable
insights
are
effective
facilitating
informed
decisions
while
developing
more
efficient
decentralized
networks
internet
data
centers
(IDCs),
monitoring
picking
out
key
points
data.
Transactions on Emerging Telecommunications Technologies,
Год журнала:
2025,
Номер
36(2)
Опубликована: Фев. 1, 2025
ABSTRACT
The
rapid
evolution
of
the
Internet
Things
(IoT)
has
revolutionized
various
sectors,
fostering
seamless
intercommunication
and
real‐time
monitoring.
Central
to
this
transformation
is
integrating
blockchain
technology,
which
ensures
data
integrity
security
in
IoT
networks.
This
paper
provides
a
meticulous
exploration
aggregation
techniques
within
context
blockchain‐based
systems.
study
categorizes
algorithms
into
Privacy‐Preserving,
Machine
Learning‐Based,
Hierarchical,
Real‐Time,
Custom
Aggregation
Algorithms,
each
tailored
specific
requirements.
Privacy‐Preserving
Algorithms
focus
on
safeguarding
sensitive
through
encryption
secure
protocols.
Learning‐Based
adapts
dynamically
patterns,
offering
predictive
insights
adaptability.
Hierarchical
organizes
devices
structured
hierarchy,
optimizing
processing.
Real‐Time
processes
instantly,
ensuring
low
latency
for
time‐sensitive
applications.
are
bespoke
solutions
unique
application
demands,
emphasizing
efficiency
security.
Through
comparative
analysis
these
techniques,
explores
their
advantages,
disadvantages,
applicability,
addressing
challenges
suggesting
future
research
directions.
integration
not
only
enhances
network
but
also
longevity
modern
technological
infrastructures.
builds
upon
prior
field
technology
by
extending
implications
SLR
method
been
used
investigate
one
terms
influential
properties
such
as
main
idea,
strategies.
results
indicate
most
articles
were
published
2021
2022.
Moreover,
some
important
parameters
privacy
security,
latency,
processing,
energy
consumption,
complexity,
reliability
involved
investigations.
F1000Research,
Год журнала:
2025,
Номер
14, С. 223 - 223
Опубликована: Фев. 19, 2025
Background
Ensuring
the
security
and
trustworthiness
of
a
digitized
automated
electoral
process
remains
significant
challenge
in
democratic
systems.
As
digital
voting
systems
are
increasingly
being
investigated
around
world,
ensuring
integrity
using
robust
measures
is
great
importance.
This
paper
presents
simplified
model
to
enhance
by
leveraging
Blockchain
technology
context
Oman’s
system.
The
uses
create
secure
trustworthy
environment,
addressing
key
vulnerabilities
Methods
research
utilized
quantitative
approach,
employing
an
experimental
design
methodology
open-source
software
simulate
Synthetic
population
data
for
operating
these
systems,
while
advanced
biometric
authentication
technologies
used
verify
voter
identities.
leveraged
ensure
vote
recording,
with
smart
contracts
authenticate
voters
securely
record
votes.
Additionally,
synchronous
transactions
executed
both
registration
processes,
enhancing
overall
efficiency
Results
results
shows
that
enhances
Oman
system,
improves
transparency
reliability
elections.
performance
evaluation
focuses
on
efficiency,
reliability,
scalability
metrics.
Asynchronous
improve
processing
time
voting.
Election
administrators
can
manage,
monitor,
certify
election
results,
Ethereum
nodes
decentralized
verification
process.
Conclusion
offers
insights
policymakers
consider
reforms,
issues
like
integrity,
fraud
prevention,
boost
trust.
A
strong
regulatory
framework
public
awareness
crucial
successful
implementation.
Pilot
projects
needed
assess
Blockchain’s
practical
impact.
could
lead
global
innovation
technology,
though
infrastructure
resistance
challenges
must
be
managed.