More info… 
Check out these articles about the recent transition to Hybrid Consensus:
- How to setup and maintain a PAI Coin Full Node: Building and Maintaining a PAI Coin Full Node
- How mining and staking on PAI Coin Pool will change after the Hybrid Fork: PAI Coin Pool and Hybrid PoW/PoS
- How to solo stake: PAI Solo Staking Guide
- How to solo mine: PAI Coin Solo Mining Guide
PAI Hybrid Consensus
Here’s a snapshot 
of development work the team has been focused on:
- [PAI Coin Core] Implemented mempool residence based purging of zero-expiry tickets;
- [PAI Coin Core] Updated expiry handling in some RPC calls;
- [PAI Coin Core] Worked on mempool entry serialization extensions for required fields;
- [PAI Coin Core] Investigated mempool deserialization inconsistencies;
- [PAI Coin Core] Investigated handling of large-size mempool;
- [PAI Coin Core] Updating getblocktemplate to check for votes on all tips at current height