I. INTRODUCTION  
II. FEDERATED LEARNING: AN OVERVIEW  
III. TRUSTWORTHY FEDERATED LEARNING: AN OVERVIEW  
IV. LITERATURE REVIEW  
V. TRUST EVALUATION IN FL  
VI. TRUST AWARE INTERPRETABILITY IN FL  
VII. FAIRNESS AWARE TRUSTWORTHINESS IN FL  
VIII. SECURITY AND PRIVACY AWARE TRUSTWORTHY FL  
IX. OPEN ISSUES AND FUTURE RESEARCH DIRECTIONS  
X. CONCLUSION