please could i ask if this idea was designed by ADA? many thanks
The concept of verifiable secret sharing (VSS) was first introduced in 1985 by Benny Chor, Shafi Goldwasser, Silvio Micali and Baruch Awerbuch.
From: Verifiable secret sharing - Wikipedia
The method introduced here according to the paper by Chunming Tang, Dingyi Pei, Zhuo Liu, and Yong He (2004)
From: Publicly Verifiable Secret Sharing - Wikipedia
P.S. “ADA” is the name of the coin. Or do you mean the Ada?.. But anyways, no 
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thanks very much for the link 