### Description Following #232 add support to confirm a new transaction is valid and sign the transaction across the board. ### Acceptance Criteria - [ ] feature: post Block Creation, the round leader initiates a signing round with a quorum that agreed on the block. - [ ] feature: after signing round completes, round leader broadcasts the block.
Description
Following #232 add support to confirm a new transaction is valid and sign the transaction across the board.
Acceptance Criteria