Table 1 Blockchain, AI, IIoT-enabled SMEs related literatures.

From: The collaborative role of blockchain, artificial intelligence, and industrial internet of things in digitalization of small and medium-size enterprises

Research papers

Research development

Research benefits and outcomes

Research challenges, limitations, and issues

A role of moderating an entrepreneurial orientation to design a sustainable SMEs14

This study proposed practical and theoretical implications related to managers and ledgers of SMEs. The offered mechanism helps to transform their existing companies into digital enterprises. For this purpose, the study presented various theoretical implications, processes, and strategies that help in digital transformation

Volatile high velocity of business environment

Dynamic capability review

Resource-based review

Benefits for startup SMEs as well

Cross sectional limitations

External validity issues

Hardly handle the generation to a large population

Defect of context insensitivity

The result of the proposed model in up to 68%

Automobile assembly model for design and implementation of SMEs using federated AI and blockchain technology15

The paper presented a new design for SMEs called Trust Threshold Limit (TTL) that helps moderate the existing use of embedded tools, sensors, energy, and cost of functions in the production and manufacturing process

Smart contract is involved in the automation of operational controls, events of nodes executions, and legalization of production and manufacturing

Blockchain-based automobile assembly model

Trust threshold limit

Limitation in federated learning of AI

Consume more computational power to evaluate transactions

Customization and graphical UI

An empirical study of SMEs: Analysis of the relationship between digital transformation and performance16

The authors of this paper presented an empirical analysis of the current performance of SMEs undergoing digital transformation and demonstrated a state-of-the-art review description

Interview method used

The process of sustainable development is proposed

Analysis digital transformation on financial performance

Cross chaining platform limitation

Automation and deliverance related challenges

Centralized data management and organization issues

A collaborative approach of knowledge, diffusion, and blockchain technology in SMEs17

This research presented a novel process hierarchy by adopting knowledge management perception, drawing on the distributed ledger technology, and highlighting the involvement of diffusion in intelligent SMEs and related transactions

A questionnaire-based evaluation

Perform a logistic regression to analysis the determinate of futuristic digital transformation

Use blockchain permissionless public network

Cost of data privacy and security

Scope of data automation

Interoperability platform issues

Expensive data preservation on distributed storage

Fintech for SMEs sustainable business model and transformation18

This research highlighted the role of fintech in sector development under the influence of the fourth industrial revolution. In addition, this paper presented a novel framework using the ReSOLVE model for both the theoretical and practice advancement in SMEs

Sustainable business model

Improve circular economy practices

A conceptual framework is proposed

Use Fintech-enabled ReSOLVE model

Linking fintech application

Privacy and security issues

SMEs data management and optimization limitations

The green blockchain for SMEs19

This paper proposed a secure distributed monitoring framework for the execution of core operations of SMEs using a blockchain public permissionless network

Eco-friendly systems

Involvement of IoT technology

Circular economy development

Perform computationally intensive ML task

Regulatory and compliance issues

Risk controlling procedure for data organization

Data integrity and transparency-related challenges while connecting different SMEs