I. INTRODUCTION  
II. RELATED WORK  
III. BACKGROUND  
A. MEV  
B. Front-Running  
C. L2 Scaling Solutions  
IV. TAXONOMY OF MEV MITIGATION STRATEGIES  
V. FAIR ORDERING POLICY  
A. Single Sequencer  
B. Decentralized Sequencing  
C. Shared Sequencers  
D. Discussion  
VI. PRIVACY-PRESERVING  
A. Encrypted Mempool  
B. Private Transactions  
VII. SMART CONTRACT-LEVEL PROTECTION  
VIII. PROPOSER-BUILDER SEPARATION  
IX. OVERVIEW  
X. CONCLUSION