Privacy-Preserving Redactable Blockchain for Internet of Things

Table 3

The comparison of three redactable blockchain protocols.

	Redaction	Deletion	Identity privacy	Data privacy	Transaction level	Block level
Cai et al. [19]	✕	✔	✔	✔	✕	✔
Deuber et al. [11]	✔	✔	✕	✕	✕	✔
Our work	✔	✔	✔	✔	✔	✕