Table 3.

Blockchain health information technology barriers and challenges.

Barrier or challenge	Frequency (N=70), n
No guarantee of security or privacy	11
Computing power and implementation costs	11
Users’ resistance to a new technology	5
Long response time	5
Integration of existing electronic health structures into blockchain	5
Issues (eg, lack of efficiency) associated with consensus algorithms	4
Linking participants to their digital identity	3
Data storage limitation	3
Not mentioned	44