Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Survey on the Applications of Blockchains in Security of IoT Systems   The Internet of Things (IoT) has already changed our daily lives by
integrating smart devices together towards delivering high quality services to
its clients. These devices when integrated together form a network through
which massive amount of data can be produced, transferred, and shared. A
critical concern is the security and integrity of such a complex platform to
ensure the sustainability and reliability of these IoT-based systems.
Blockchain is an emerging technology that has demonstrated its unique features
and capabilities for different problems and application domains including
IoT-based systems. This survey paper reviews the adaptation of Blockchain in
the context of IoT to represent how this technology is capable of addressing
the integration and security problems of devices connected to IoT systems. The
innovation of this survey is that we present a survey based upon the
integration approaches and security issues of IoT data and discuss the role of
Blockchain in connection with these issues.

37
The categories of this paper are: supr-con
26
The categories of this paper are: bayes-an
31
The categories of this paper are: ao-sci
6
The categories of this paper are: astro-ph
12
The categories of this paper are: nucl-th
4
The categories of this paper are: cond-mat
30
The categories of this paper are: q-alg
35
The categories of this paper are: mtrl-th
33
The categories of this paper are: plasm-ph
0
The categories of this paper are: hep-ph
9
The categories of this paper are: nlin
16
The categories of this paper are: stat
2
The categories of this paper are: math
32
The categories of this paper are: atom-ph
36
The categories of this paper are: cmp-lg
25
The categories of this paper are: patt-sol