In round_1_old_step_1.go, the "big Xjs" are included in the commitments made using
the Com() function, whereas in the specification itself, only commitments for the v_ij from the Feldman's VSS scheme are included.
Similarly, the use of X_j is omitted from the decommitment in NewCommitteeStep2 step 6, but unwrapped in the code and stored in round.temp.OldBigXj and round.temp.OldKs in round_4_new_step_2.go.
They both do not appear to be reused after that, and take no further part in the specification document.
In
round_1_old_step_1.go, the "big Xjs" are included in the commitments made using theCom()function, whereas in the specification itself, only commitments for the v_ij from the Feldman's VSS scheme are included.Similarly, the use of X_j is omitted from the decommitment in
NewCommitteeStep2step 6, but unwrapped in the code and stored inround.temp.OldBigXjandround.temp.OldKsinround_4_new_step_2.go.They both do not appear to be reused after that, and take no further part in the specification document.