The Computer Journal,
Год журнала:
2022,
Номер
67(2), С. 407 - 422
Опубликована: Дек. 30, 2022
Abstract
Security
faces
huge
challenges
in
Internet
of
Things
(IoT)
environments.
In
particular,
conventional
access
control
standards
and
models
tend
to
be
less
tailored
for
IoT
due
the
constrained
nature
smart
objects.
Usually,
a
powerful
third
party
is
used
handle
logic.
However,
this
lacking
transparency
could
harm
user
privacy.
Therefore,
providing
distributed
solution,
while
considering
privacy-preserving
awareness
systems,
paramount
importance.
The
described
issue
can
addressed
using
emergent
Blockchain
technology
that
provides
promising
choice
build
new
generation
decentralized
transparent
solutions.
This
paper
proposes
contract-based
framework
healthcare
which
based
on
contracts
provide
trustworthy
control,
combined
with
GTRBAC
model
express
fine-grained
policies
temporal
authorization
constraints.
To
prove
feasibility
validity
proposed
framework,
also
detailed
technical
description
an
initial
implementation
execution.
An
experimental
evaluation
shows
security
properties’
analyses
achieved
best
possible
no
vulnerabilities
found,
cost
operations
increases
linearly
as
number
policy
constraints
increases.
Besides,
comparative
analysis
reveals
approach
achieve
good
results
low
gas
costs
latency.
Journal of Social Computing,
Год журнала:
2022,
Номер
3(4), С. 363 - 394
Опубликована: Дек. 1, 2022
Blockchain
is
an
emerging
decentralized
data
collection,
sharing,
and
storage
technology,
which
have
provided
abundant
transparent,
secure,
tamper-proof,
robust
ledger
services
for
various
real-world
use
cases.
Recent
years
witnessed
notable
developments
of
blockchain
technology
itself
as
well
blockchain-enabled
applications.
Most
existing
surveys
limit
the
scopes
on
several
particular
issues
or
applications,
are
hard
to
depict
general
picture
current
giant
ecosystem.
In
this
paper,
we
investigate
recent
advances
both
its
most
active
research
topics
in
We
first
review
consensus
mechanisms
communication
schema
systems.
Then
extensive
literature
conducted
Internet
Things
(IoT),
edge
computing,
federated
learning,
applications
including
healthcare,
COVID-19
pandemic,
online
social
network,
supply
chain,
where
detailed
specific
discussed
each.
Finally,
discuss
future
directions,
challenges,
opportunities
academia
industry.
IEEE Access,
Год журнала:
2021,
Номер
9, С. 164159 - 164187
Опубликована: Янв. 1, 2021
Since
the
emergence
of
coronavirus
disease–2019
(COVID-19)
outbreak,
every
country
has
implemented
digital
solutions
in
form
mobile
applications,
web-based
frameworks,
and/or
integrated
platforms
which
huge
amounts
personal
data
are
collected
for
various
purposes
(e.g.,
contact
tracing,
suspect
search,
and
quarantine
monitoring).
These
systems
not
only
collect
basic
about
individuals
but,
most
cases,
very
sensitive
like
their
movements,
spatio-temporal
activities,
travel
history,
visits
to
churches/clubs,
purchases,
social
interactions.
While
collection
utilization
person-specific
different
contexts
is
essential
limiting
spread
COVID-19,
it
increases
chances
privacy
breaches
misuse.
Recently,
many
protection
techniques
(PPTs)
have
been
proposed
based
on
included
types
tables,
graphs,
matrixes,
barcodes,
geospatial
data),
epidemic
containment
strategies
(ECSs)
(contact
monitoring,
symptom
reports,
etc.)
order
minimize
permit
intended
uses
such
data.
In
this
paper,
we
present
an
extensive
review
PPTs
that
recently
address
diverse
requirements/concerns
stemming
from
COVID-19
pandemic.
We
describe
heterogeneous
control
pandemic,
corresponding
PPTs,
as
well
paradigm
shifts
handling
brought
by
systemically
map
into
ECSs
lifecycle
phases,
in-depth
existing
evaluation
metrics
employed
analysis
suitability.
developed
during
period
leverage
emerging
technologies,
federated
learning,
blockchain,
design,
swarm
name
a
few.
Furthermore,
discuss
challenges
preserving
individual
role
regulations/laws,
promising
future
research
directions.
With
article,
our
aim
highlight
recent
specifically
arena,
point
out
gaps
developments
regard.
International Research Journal of Modernization in Engineering Technology and Science,
Год журнала:
2023,
Номер
unknown
Опубликована: Сен. 5, 2023
The
digital
transformation
of
the
banking
sector
has
ushered
in
a
new
era
opportunities
and
challenges,
particularly
realm
identity
verification.This
article
delves
into
evolution
significance
verification
mechanisms,
especially
context
KYC
(Know
Your
Customer)
processes,
which
are
pivotal
for
ensuring
security
integrity
financial
transactions
age.Through
comprehensive
literature
review,
underscores
convergence
technologies
such
as
machine
learning,
5G
communication,
blockchain
shaping
future
banking.Case
studies
provide
practical
insights
implementation
these
technologies,
highlighting
both
their
transformative
potential
challenges
they
present.The
analysis
findings
review
offers
deeper
understanding
real-world
implications
technologies.The
emphasizes
benefits
including
enhanced
security,
efficiency,
improved
customer
experience,
while
also
addressing
concerns,
interoperability
issues,
evolving
regulatory
landscapes.Furthermore,
research
importance
trust,
transparency,
user-friendliness
systems.The
conclusion
reiterates
promising
emphasizing
need
continuous
innovation
adaptation
to
address
emerging
challenges.In
essence,
this
provides
holistic
overview
landscape
sector,
offering
valuable
stakeholders,
researchers,
policymakers
interested
its
verification.
Due
to
the
widespread
adoption
of
cloud
computing,
protecting
security
and
uptime
services
is
crucial
importance.
Unforeseen
malfunctions
performance
bottlenecks
in
settings
can
lead
considerable
downtime
financial
losses.
Systems
that
automatically
detect,
diagnose,
recover
from
errors
using
self-healing
mechanisms
are
a
promising
new
approach.
This
study
investigates
how
neural
network-based
prediction
models
be
used
improve
cloud-based
systems'
inherent
capacity
for
self-healing.
research
introduces
novel
method
networks
forecast
system
failures
irregularities.
The
proposed
able
spot
warning
signs
by
assessing
past
data
current
metrics
real
time.
Neural
may
accurately
anticipate
outcomes
recognizing
complicated
patterns
learning
large,
varied
information.
Various
forms
networks,
including
deep
designs,
evaluated
determine
their
efficacy
diverse
contexts.
also
looks
into
proactively
reducing
faults
incorporating
these
predictive
systems.
Responses,
such
as
resource
reallocation,
workload
migration,
backup
procedures,
triggered
when
problems
predicted.
preventative
drastically
lessens
amount
time
users
spend
waiting
systems
restart.
Extensive
simulations
real-world
case
studies
yielded
experimental
prove
based
on
computing
effective.
models'
proficiency
failure
enables
corrective
measures
taken
promptly
precisely.
Implementing
massive
environments
discussed,
scalability,
flexibility,
consequences.
tapping
potential
analysis,
this
adds
development
capabilities
settings.
not
only
improves
services'
dependability
resilience,
but
it
lays
groundwork
autonomous
intelligent
future
Engineering Reports,
Год журнала:
2024,
Номер
6(9)
Опубликована: Июнь 11, 2024
Abstract
Blockchain
(BCn)
revolution
across
the
world
leads
global
transformation
by
altering
existing
structure
and
introducing
accessible
decentralized
paradigm.
This
technology
facilitates
access
to
resources
redefines
conventional
frameworks,
empowering
people
communities
globally.
Motivated
these
attention‐seeking
potentiality
of
BCn
features,
in
this
article,
we
examine
challenges,
advancements,
emerging
prospects
Bangladesh.
With
a
specific
focus
on
implications
for
sustainability
smart
development,
study
addresses
urgent
need
understand
how
can
facilitate
sustainable
development
rapidly
evolving
countries
like
The
goal
research
is
draw
attention
successful
use
knowledge
extract
best
practices
cutting‐edge
strategies
contribution
covers
underlying
concepts
technology,
showing
revolutionary
state
world,
applications
sustainability,
assessment
its
current
usage,
highlighting
implementation
problems.
Furthermore,
serves
as
gateway
transparent,
future
that
fosters
inclusive
national
progress
aligns
with
goals.
also
strives
inspire
individuals
transformational
collective
benefit
society
BCn's
potential
empower
while
driving
positive
change.
International Journal of Information Security,
Год журнала:
2022,
Номер
21(5), С. 1069 - 1090
Опубликована: Июль 29, 2022
As
a
result
of
the
declaration
COVID-19
pandemic,
several
proposals
blockchain-based
solutions
for
digital
certificates
have
been
presented.
Considering
that
health
data
high
privacy
requirements,
management
system
must
fulfil
strict
and
security
requirements.
On
one
hand,
confidentiality
medical
be
assured,
being
owner
(the
patient)
actor
maintain
control
over
their
certificates.
other
entities
involved
in
generation
validation
supervised
by
regulatory
authority.
This
set
requirements
are
generally
not
achieved
together
previous
proposals.
Moreover,
it
is
required
certificate
protocol
provides
an
easy
verification
process
also
strongly
avoid
risk
forgery.
In
this
paper
we
present
design
implementation
to
manage
where
individual
users
decide
how
share
private
hierarchical
system.
order
achieve
this,
put
two
different
technologies:
use
proxy
re-encryption
(PRE)
service
conjunction
with
protocol.
Additionally,
our
introduces
authority
regulate
centers
can
generate
offers
kinds
registered
non-registered
entities.
Therefore,
achieves
all
is,
sovereignty,
privacy,
forgery
avoidance,
regulation
entities,
verification.
Blockchain Research and Applications,
Год журнала:
2023,
Номер
4(4), С. 100156 - 100156
Опубликована: Авг. 1, 2023
In
recent
years,
blockchain
technologies
have
expanded
from
the
finance
field
to
other
areas
that
rely
on
trust-based
solutions.
The
healthcare
industry
represents
one
such
area,
as
digital
transformation
disrupts
relationships
between
patients,
professionals,
and
institutes.
Patients
institutes
lack
a
proficient
tool
verify
credentials
of
medical
professionals
in
environment.
Furthermore,
where
they
are
control
over
their
credentials.
first
contribution
this
paper
is
proposal
solution
leverages
private
permissioned
Hyperledger
Fabric
smart
contracts
provide
source
transparent
trust
for
within
industry.
Second,
we
pave
ground
GDPR
compliance
by
storing
only
hash
values
blockchain.
Third,
solve
problem
patient
authentication
utilizing
cryptographic
techniques.
Finally,
prove
usability
proposed
implementing
user
interface
creating
live
deployment.
Blockchain
technology
has
heralded
a
new
era
in
digital
innovation,
revolutionizing
our
approach
to
designing
and
building
distributed
applications
the
sphere.
operates
as
an
immutable
ledger,
where
each
entry
representing
transaction
is
indelible
cannot
be
altered
once
established.
Initially
designed
fundamental
framework
for
cryptocurrencies,
blockchain
outgrown
its
original
purpose,
demonstrating
significant
potential
various
industries
offering
variety
of
security
privacy
features.
Our
study
provides
thorough
current
survey
applications,
security,
concepts,
primitives,
threat
models.
It
stands
out
by
concentrating
on
how
intersects
with
emerging
fields
like
IoT,
EVs,
FinTech,
healthcare
systems
single
framework.
To
provide
features,
employ
different
foundational
notions
primitives
while
tackling
diverse
adversarial
scenarios
capabilities
goals.
This
presents
fresh
examination
state
models
systems.
Additionally,
this
work
highlights
existing
gaps
knowledge
outlines
open
questions,
aiming
stimulate
interest
further
advancements
field.
