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Table 10 Listing of constructs, definitions, anecdotal evidence, and count for perceived concerns of blockchain-based HIEs

From: Benefits and concerns associated with blockchain-based health information exchange (HIE): a qualitative study from physicians' perspectives

Axial Codes (Constructs)

Definition

Sample Quotes

Count

Lack of knowledge about blockchain technology

The extent to which healthcare providers may not be aware of blockchain applications in healthcare and why they could be useful

“Most of my colleagues don’t know what blockchain is… and how it can be used in healthcare practices.”

34

Implementation issues

The extent to which healthcare organizations may not have required resources and effective planning to integrate blockchain into routine healthcare practices

“Some managers are terrified by technical issues, time, cost, training, and value-added of blockchain projects.”

32

Regulatory issues

The extent to which physicians believe that using blockchain-based HIE is not fully regulated

“I don’t think blockchain applications are completely regulated in the healthcare space and still need laws to support it.”

30

Selection decision

The extent to which selecting blockchain platforms in healthcare is challenging when there are various alternatives (i.e., outsourced, in-house)

“Many outside providers can design blockchain-based exchange methods, but some managers believe they need to develop blockchain platforms in-house.”

27

Feasibility issues

The extent to which blockchain projects may not be a feasible effort from organizational perspectives

“I think blockchain integration is not a feasible endeavor for healthcare managers; that’s why many of them do not support these kinds of projects.”

25

Lack of collaboration among various stakeholders

The extent to which various stakeholders may not be willing to collaborate in blockchain-based HIE

“A number of entities got to collaborate in blockchain HIE, such as patients…. I am not sure if all agree on the role of patients in transactions.”

23

Blockchain model types

The extent to which healthcare providers may not deploy the right blockchain models (among various architectures) which is suitable in the healthcare domain (e.g., public, private, hybrid, federated)

“There are some blockchain architectures, but it is challenging to realize which one could be the most secure model with a robust infrastructure for information exchange in healthcare.”

21

Complicated system

The extent to which using blockchain may not be free of effort for users

“Technological foundations of the blockchain and smart contracts do not seem to be easy.”

18

Network effects

The extent to which competitors (such as large healthcare organizations) may not adopt blockchain

“We are scared that we are the only one [27] adopted blockchain… as a matter of fact, competitors' responses are not clear.”

15

Lack of trust in blockchain technology

The extent to which healthcare providers believe that blockchain may not be a trustworthy, reliable, and error-free technology

“I think blockchain is still a new technology, still unstable and not scalable.”

12