<issue_start><issue_comment>Title: Problem: (CRO-127) No support for simple schnorr signatures for 1-of-n transactions
username_0: Solution: Added support for simple schnorr signatures for 1-of-n transactions
<issue_comment>username_0: @tomtau Yes. We should be able to integrate current transaction builder with 1-of-n schnorr signatures. I’ll take that up next.