Today, in mulitparent Casper, when we introduce a new block it will have multiple parents and include multiple deploys. The heaviest parent wins. This results in many blocks being orphaned.
Merge and peek make the DAG easier to review
Can we launch mainnet without addressing?
TICKET We need a per validator vault in the PoS contract to resolve merge conflicts on deploys
Acceptance criteria for merge conflict resolution have two not conflict
Good enough path
DECISION merge without conflicts is not a mainnet blocker
To get to mainnet
Drain vault fix
Orphaned blocks discussion