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Hardware Used

Component	Specification
CPU	12th Gen Intel(R) Core(TM) i7-1280P
Cores/Threads	14 physical CPUs, 20 Threads
RAM	32 GB
Storage	1TB
Operating System	Ubuntu 24.04.2 LTS

NOTE: The performance results below show the performance running libBLS single-threaded

Threshold Encryption

Test Inputs

Input Parameter	Value
Required signers (t)	15
Total signers (n)	22
Message size (bytes)	256
Runs	1000

Results

Result Metric	Libff (ms)	MCL (ms)	MCL - batches (ms)
Average encryption time	13.82	3.08	2.3
Avg. validation encryption time	13.92	1.95	1.03
Avg. partial decryption time	22.10	3.95	0.92
Avg. validation decryption share time	443.07	66.68	3.77
Avg. combine shares time	29.41	3.46	1.16
Avg. validation combined decryption time	4.52	0.83	0.13
Avg. decryption time	2.33	0.69	0.002
Avg. full cycle time	529.18	80.63	9.31

Full cycle speedup: 56.8x
All but encryption speedup: 73.5x
Decryption share validation speedup: 117.5x

Result Metric (1k Txns)	MCL - batches (seconds)	MCL - Parallelized batches (seconds)
Total encryption time	2.1	1.65 (not parallelized yet)
Total validation encryption time	0.97	0.031
Total partial decryption time	0.47	0.37 ( not parallelized yet)
Total validation decryption share time	2.1	0.32
Total combine shares time	0.69	0.071
Total validation combined decryption time	0.11	0.014
Total decryption time	0.004	0.001
Total full cycle time	6.5	2.47

Libff would have taken 529 seconds.
MCL takes 6.5
Full cycle speedup: 79x
All but encryption speedup: 112x
Decryption share validation speedup: 210x

BLS

Inputs

Input Parameter	Value
Required signers (t)	15
Total signers (n)	22
Runs	100

Results

Result Metric	Libff (ms)	MCL (ms)
Avg. partial signature time	10.4205	10.2508
Avg. signature merge time	3.18792	1.06128
Avg. adding signature share time	0.0801542	0.0868283
Avg. signature verification time	13.7209	2.05368
Avg. full cycle time	27.4095	13.4526