Disputes, Slashing, and Rewards

[Sophia-Gold]

The remaining work for properly incentivizing and hardening the security of parachain consensus: slashing, disabling, and rewarding backers and approval checkers for their behavior throughout the process of validating parachain blocks.

Tracking issue
Project board

Q2 milestones:

• Implement past-session slashing (disputes: implement past session slashing polkadot#5947)
• Finalize time overruns spec (Time Disputes polkadot-sdk#742)
• Finalize validator disabling spec (disputes: implement validator disabling (Stale) polkadot-sdk#784)

Q3 milestones:

• Implement validator disabling
• Develop parachain consensus rewards spec with W3F research

Q4 milestones:

• Implement time overruns
• Implement parachain consensus rewards