Table 5.

Matrix of various read and write models among the blockchain personal health records reviewed.

Provider	Patient
	Read only	Write only	Read and write
Read only	—a	—	A04, A15, A32, A42, A48, A50, A52, A58
Write only	A07, A14, A18, A31	—	—
Read and write	A01, A05, A08, A10, A12, A17, A19, A20, A23, A24, A27, A28, A30, A33, A40, A41, A43, A47, A49, A56	A25, A51	A02, A03, A06, A09, A11, A21, A22, A26, A34, A35, A37, A38, A39, A44, A45, A46, A53, A54, A55, A57
Neither	—	A16	A13, A29, A36

^aNot available.