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+## Proxies
+
+<br>
+
+### TL;DR Proxies Patterns
+
+<br>
+
+#### Transparent Proxy Pattern (TPP)
+
+1. upgrade logic is stored in proxy itself.
+2. gas-inefficient
+
+<br>
+
+#### Universal Upgradable Proxy Standard (UUPS)
+
+1. upgrade logic is stored in logic itself
+2. gas-efficient
+
+
+<br>
+
+---
+
+### Resources
+
+<br>