Decentralized governance models in blockchain and DeFi enable:

1. _Community-driven decision-making_: Token holders and community members can participate in voting on proposals, shaping the direction of the project.

2. _Transparency_: Decentralized governance models provide transparent decision-making processes, with all proposals and voting outcomes publicly visible.

3. _Decentralized authority_: Decision-making power is distributed among network participants, rather than controlled by a single entity.

4. _Autonomous organizations_: Decentralized governance enables the creation of autonomous organizations, operating without centralized leadership.

5. _Improved accountability_: Decentralized governance models can increase accountability, as decision-making processes are transparent and publicly accessible.

6. _Enhanced community engagement_: Community members are incentivized to participate in governance, fostering a sense of ownership and responsibility.

7. _Adaptive and resilient_: Decentralized governance models can adapt quickly to changing circumstances, ensuring the project's resilience.

8. _Reduced risk of censorship_: Decentralized governance models make it difficult for a single entity to censor or manipulate decision-making processes.

Examples of decentralized governance models include:

1. _DAOs (Decentralized Autonomous Organizations)_

2. _On-chain governance_

3. _Off-chain governance_

4. _Liquid democracy_

5. _Delegative democracy_

These models are still evolving and can be combined or customized to suit specific use cases, promoting decentralized decision-making and community involvement.