From 6b2690ea685fbffd4404a13b28985647efd20ff1 Mon Sep 17 00:00:00 2001
From: autistic-symposium-helper
 <138340846+autistic-symposium-helper@users.noreply.github.com>
Date: Mon, 25 Nov 2024 20:14:44 -0800
Subject: [PATCH] permit2 (more robust token approval)

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index f1d130d..88317dd 100644
--- a/README.md
+++ b/README.md
@@ -65,3 +65,7 @@
 
 * **[on some of my favorite openzeppelin smart contracts](https://mirror.xyz/go-outside.eth/7Q5DK8cZNZ5CP6ThJjEithPvjgckA24D2wb-j0Ps5-I)**
 * **[reusable properties for ethereum contracts, by trailofbits](https://blog.trailofbits.com/2023/02/27/reusable-properties-ethereum-contracts-echidna/)**
+
+###### solidity useful
+
+* **[permit2 (more robust token approval)](https://github.com/Uniswap/permit2)**