Update on Overleaf.

ccs-sample.bib

@@ -36,7 +36,8 @@
   title={Decentralized Blockchain Interoperability},
   author={Zindros, Dionysis},
   year={2020},
-  school={E$\theta$$\nu$$\iota$$\kappa${\'o} $\kappa$$\alpha$$\iota$ K$\alpha$$\pi$o$\delta$$\iota$$\sigma$$\tau$$\rho$$\iota$$\alpha$$\kappa${\'o} $\Pi$$\alpha$$\nu$$\varepsilon$$\pi$$\iota$$\sigma$$\tau$$\acute{\eta}$$\mu$$\iota$o A$\theta$$\eta$$\nu$$\acute{\omega}$$\nu$ (EK$\Pi$A). $\Sigma$$\chi$o$\lambda$$\acute{\eta}$ $\Theta$$\varepsilon$$\tau$$\iota$$\kappa$$\acute{\omega}$$\nu$ E$\pi$$\iota$$\sigma$$\tau$$\eta$$\mu$$\acute{\omega}$$\nu$~…}
+  school={National and Kapodistrian
+University of Athens}
 }
 
 @INPROCEEDINGS{AGLS18,