IEEE Consumer Electronics Magazine - September/October 2021 - 6

Feature Article: Consumer Technology SecurityTechnology
How Blockchain, Virtual
Reality, and Augmented
Reality are Converging,
and Why
Alberto Cannavo and Fabrizio Lamberti
Politecnico di Torino
Abstract-Nowadays, breakthrough technologies, such as virtual reality (VR), augmented
reality (AR), and Blockchain, have definitively attracted the attention of a huge number of
investors worldwide. Although, at first glance, Blockchain (traditionally used for financial
services) seems to have little to none to share with VR and AR (originally adopted for
entertainment), in the last few years several use cases started to appear showing
effective ways to integrate these technologies. In this article, an overview of
opportunities investigated by current solutions combining VR, AR, and Blockchain will be
discussed, showing how they allowed both companies and academic researchers cope
with issues affecting traditional services and products in a rather heterogenous set of
application domains. Opportunities that could foster the convergence of these
technologies and boost them further are also discussed.
& BLOCKCHAIN, VIRTUAL REALITY (VR), and augmented
reality (AR) are rapidly evolving technologies
which largely captured the attention of
industry, academia and, lately, also end-users.
Considering the widely accepted definition, a
Blockchain is a distributed ledger, which can be
Digital Object Identifier 10.1109/MCE.2020.3025753
Date ofpublication 24 September 2020; date ofcurrent
version 5 August 2021.
6
2162-2248 ß 2020 IEEE
used to handle digital transactions, i.e., peer-topeer
messages exchanged among nodes, over a
decentralized network.1 In order to add a new
transaction to the Blockchain (through the process
exemplified in Figure 1), all the nodes belonging
to the network must verify it by using a
majority consensus mechanism that can be implemented
in different ways.2 This mechanism allows
a given process or service to remove the need for
relying on a trusted third party, like a bank or a
Published by the IEEE Consumer Technology Society
IEEE Consumer Electronics Magazine

IEEE Consumer Electronics Magazine - September/October 2021

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