Table 2 Perception of construction... | Emerald Publishing

Table 2

Perception of construction professionals on the barriers to the implementation of blockchain technology and descriptive analysis of the barriers to the implementation of blockchain technology

Barrier variables	Mean rank
Barrier variables	Quantity surveyor	Rank	Architect	Rank	Engineer	Rank	Builder	Rank	Others	Rank	Overall	Rank	Kruskal–-Wallis H	DF	p-value	MIS	Rank
Authorisation issues	4.16	5	4.06	6	4.25	4	4.43	3	4.18	2	4.22	3	4.90	4	0.30	4.22	3
Lack of infrastructure	4.19	3	4.11	5	4.25	4	4.14	11	4.27	1	4.19	7	0.50	4	0.97	4.18	7
Vulnerability of smart contract	4.15	6	4.11	5	4.19	5	4.20	9	4.00	4	4.13	9	0.58	4	0.97	4.15	9
Energy consumption	4.04	7	4.06	4	3.81	9	4.17	10	4.27	1	4.07	13	2.16	4	0.71	4.06	13
Transactional uncertainties	4.15	6	3.78	8	3.88	8	4.37	5	4.09	3	4.05	11	7.09	4	0.13	4.12	11
Interoperability	3.92	8	4.11	5	4.06	7	4.40	4	4.09	3	4.12	12	7.11	4	0.13	4.08	12
Legal issues	4.04	7	4.06	9	4.38	1	4.26	8	4.09	3	4.17	10	2.52	4	0.64	4.13	10
Security issues	4.15	6	4.17	4	4.13	6	4.31	7	4.27	1	4.21	6	1.40	4	0.85	4.19	6
Reluctance in adoption	4.15	6	3.94	7	4.31	3	4.46	1	4.09	3	4.19	5	7.72	4	0.10	4.21	5
Resistance to change	4.17	4	4.22	3	4.25	4	4.29		4.18	2	4.22	4	0.44	4	0.98	4.21	4
Skills	4.19	3	4.06	6	4.06	7	4.34	6	4.00		4.13	8	4.27	4	0.37	4.18	8
Technological state of the industry	4.20	2	4.33	1	4.50	2	4.34	6	4.09	3	4.29	2	2.70	4	0.61	4.27	2
Poor digitalisation of the construction industry	4.24	1	4.28	2	4.56	1	4.43	2	4.18	2	4.34	1	2.72	4	0.61	4.32	1

Barrier variables	Mean rank
Barrier variables	Quantity surveyor	Rank	Architect	Rank	Engineer	Rank	Builder	Rank	Others	Rank	Overall	Rank	Kruskal–-Wallis H	DF	p-value	MIS	Rank
Authorisation issues	4.16	5	4.06	6	4.25	4	4.43	3	4.18	2	4.22	3	4.90	4	0.30	4.22	3
Lack of infrastructure	4.19	3	4.11	5	4.25	4	4.14	11	4.27	1	4.19	7	0.50	4	0.97	4.18	7
Vulnerability of smart contract	4.15	6	4.11	5	4.19	5	4.20	9	4.00	4	4.13	9	0.58	4	0.97	4.15	9
Energy consumption	4.04	7	4.06	4	3.81	9	4.17	10	4.27	1	4.07	13	2.16	4	0.71	4.06	13
Transactional uncertainties	4.15	6	3.78	8	3.88	8	4.37	5	4.09	3	4.05	11	7.09	4	0.13	4.12	11
Interoperability	3.92	8	4.11	5	4.06	7	4.40	4	4.09	3	4.12	12	7.11	4	0.13	4.08	12
Legal issues	4.04	7	4.06	9	4.38	1	4.26	8	4.09	3	4.17	10	2.52	4	0.64	4.13	10
Security issues	4.15	6	4.17	4	4.13	6	4.31	7	4.27	1	4.21	6	1.40	4	0.85	4.19	6
Reluctance in adoption	4.15	6	3.94	7	4.31	3	4.46	1	4.09	3	4.19	5	7.72	4	0.10	4.21	5
Resistance to change	4.17	4	4.22	3	4.25	4	4.29		4.18	2	4.22	4	0.44	4	0.98	4.21	4
Skills	4.19	3	4.06	6	4.06	7	4.34	6	4.00		4.13	8	4.27	4	0.37	4.18	8
Technological state of the industry	4.20	2	4.33	1	4.50	2	4.34	6	4.09	3	4.29	2	2.70	4	0.61	4.27	2
Poor digitalisation of the construction industry	4.24	1	4.28	2	4.56	1	4.43	2	4.18	2	4.34	1	2.72	4	0.61	4.32	1

Source(s): Authors' fieldwork