Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Convergence of Blockchain, IoT and 6G: Potential, Opportunities,
  Challenges and Research Roadmap   The world is undergoing a profound transformation with the advent of
intelligent information era. 6G networks envisioned being the game changer in
next generation wireless communication systems that will address the challenges
of limited information speed escalated with the augmentation of billions of
data applications encountered by the current fifth generation (5G) networks.
Some key radical technologies in 6G together with existing 5G candidate schemes
will guarantee the expected quality of experience (QoE) to attain ubiquitous
wireless connectivity for the Internet of Everything (IoE) ranging from the
telecom industry to digital smart industries. Blockchain technology (BCT) has
gained significant attention due to undertake the decentralization,
transparency, spectrum resource scarcity, inherent privacy and security, poor
interoperability, confidentiality, and emerging smart applications domains
including Industrial IoT and Industry 4.0. The mismatch between the
requirements of many data intensive disruptive IoT applications and 5G network
capabilities steered the demand of decentralized BCT based 6G architecture.
Inspired by these facts, this paper studies an extensive survey to draw a new
direction of blockchain integration into 6G mobile networks, IoT technologies,
and smart industries focusing the potential merits and challenges in terms of
infrastructure sharing, computational loads, latency, bandwidth overhead,
business model, sustainability goals, and edge intelligence. We highlighted the
convergence of IoT in blockchain to enable intelligent distribution in future
industrial IoT and the technical model of 6G networks to realize the successful
deployment of BCT schemes. This paper pointed out the current intriguing
challenges, canvassed the mitigation techniques, and plausible future research
opportunities that may benefit the pursuit of this vision.

1
The categories of this paper are: cs
28
The categories of this paper are: alg-geom
3
The categories of this paper are: physics
2
The categories of this paper are: math
4
The categories of this paper are: cond-mat
24
The categories of this paper are: dg-ga
36
The categories of this paper are: cmp-lg
25
The categories of this paper are: patt-sol
14
The categories of this paper are: math-ph
7
The categories of this paper are: hep-th
21
The categories of this paper are: adap-org
30
The categories of this paper are: q-alg
27
The categories of this paper are: comp-gas
8
The categories of this paper are: hep-ex
20
The categories of this paper are: acc-phys
22
The categories of this paper are: chao-dyn