Adding a new section: Cryptography; added first paper in the Cryptogr…

…aphy section (#54)

* added a new section: Cryptography

README.md

@@ -116,6 +116,10 @@
 - [ChainSecurity DAI Bridge Audit](https://chainsecurity.com/wp-content/uploads/2021/12/ChainSecurity_MakerDAO_StarkNet-DAI-Bridge_audit.pdf) - Audit of MakerDAO's DAI bridge by ChainSecurity.
 - [not-so-smart-cairo](https://github.com/crytic/building-secure-contracts/tree/master/not-so-smart-contracts/cairo) - Examples of common Cairo smart contract vulnerabilities by Trail of Bits.
 
+#### Cryptography
+- [ethSTARK Documentation](https://eprint.iacr.org/2021/58) - Computational 
+  integrity of STARKs explanation.
+
 #### Examples
 
 - [Cairo by Example](https://perama-v.github.io/cairo/by-example/) - An