Add note about OP Stack predeploy

diff --git a/README.md b/README.md
index 8d63cf3e3d4f7bdeb8641988989d571b34094929..7120b4948cbbd968b2ff9151d4b01d34fb63eebf 100644 (file)
--- a/README.md
+++ b/README.md
@@ -21,4 +21,5 @@ ws --cors.opener-policy same-origin --cors.embedder-policy require-corp
 - [Zoltu's deterministic-deployment-proxy](https://github.com/Zoltu/deterministic-deployment-proxy)
 - [Arachnid's deterministic-deployment-proxy](https://github.com/Arachnid/deterministic-deployment-proxy)
 - [create2deployer](https://github.com/pcaversaccio/create2deployer)
+  - This smart contract (with minor modifications) is a [predeploy](https://specs.optimism.io/protocol/predeploys.html#create2deployer) at `0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2` on [OP Stack](https://docs.optimism.io/) blockchains as of the [Canyon hardfork](https://blog.oplabs.co/canyon-hardfork/) (November 2023).
 - [CreateX](https://github.com/pcaversaccio/createx)