Table 9.

Comparison of practical configurations by cipher malleability; security; insertion, scaling, and smart contract execution time; and transmitted bytes.

Property	ASINa	ASIYb	PSINc	PSIYd	PDINe	PDIYf
Cipher malleability	No	No	Yes	Yes	Yes	Yes
Security—dynamic keying	No	No	No	No	Yes	Yes
Security—server-side encryption	No	Yes	No	Yes	No	Yes
Client insertions time	Fastest	Fastest	Fast	Fast	Fast if >30	Fast if >30
Client insertions bytes	Smallest	Smallest	Largest	Largest	Largest	Largest
Server insertions time	Fast	Slow	Slowest	Slow	Fast	Slowest
Client scaling time	Fastest, constantg	Fastest, constantg	Fastest, constantg	Fastest, constantg	Fast, constantg	Fast, constantg
Client scaling bytes	Smallest, constant	Smallest, constant	Small, constant	Small, constant	Small, constant	Small, constant
Server scaling time	Fast, constant	Slow, constant	Fast, constant	Slower, constant	Slower	Very slow
Smart contract execution	Fastest	Fastest	Very slow	Very slow	Slowest	Slowest

^aASIN: Advanced Encryption Standard–encrypted data, static keys, incremental storage, no server-side encryption.

^bASIY: Advanced Encryption Standard–encrypted data, static keys, incremental storage, server-side encryption.

^cPSIN: proxy re-encryption–encrypted data, static keys, incremental storage, no server-side encryption.

^dPSIY: proxy re-encryption–encrypted data, static keys, incremental storage, server-side encryption.

^ePDIN: proxy re-encryption–encrypted data, dynamic keys, incremental storage, no server-side encryption.

^fPDIY: proxy re-encryption–encrypted data, dynamic keys, incremental storage, server-side encryption.

^gConstant time if latency, which is amortized over records, is not factored.