From c828c407e1fd80b5d82dea6b5590e91a3f8957f6 Mon Sep 17 00:00:00 2001
From: j pimmel <frankly.watson@gmail.com>
Date: Wed, 4 Sep 2024 13:33:51 -0700
Subject: [PATCH] Removed PreviewNet and Sandboxnet entries

---
 README.md | 30 +++++++-----------------------
 1 file changed, 7 insertions(+), 23 deletions(-)

diff --git a/README.md b/README.md
index 0530633d2..0fc1622ce 100644
--- a/README.md
+++ b/README.md
@@ -28,9 +28,7 @@ so they can build a basic understanding of the programming language.
 | Network                      | Contract Address     |
 | ---------------------------- | -------------------- |
 | Emulator          | `0x0ae53cb6e3f42a79` |
-| Previewnet        | `0x4445e7ad11568276` |
-| Testnet/Crescendo | `0x7e60df042a9c0868` |
-| Sandboxnet                   | `0x0661ab7d6696a460` |
+| Testnet | `0x7e60df042a9c0868` |
 | Mainnet                      | `0x1654653399040a61` |
 
 This is the contract that defines the network token for Flow. 
@@ -48,9 +46,7 @@ You can find transactions for using the Flow Token in the `transactions/flowToke
 | Network                      | Contract Address     |
 | ---------------------------- | -------------------- |
 | Emulator          | `0xe5a8b7f23e8b548f` |
-| Previewnet        | `0xab086ce9cc29fc80` |
-| Testnet/Crescendo | `0x912d5440f7e3769e` |
-| Sandboxnet                   | `0xe92c2039bbe9da96` |
+| Testnet | `0x912d5440f7e3769e` |
 | Mainnet                      | `0xf919ee77447b7497` |
 
 This contract defines fees that are spent for executing transactions and creating accounts.
@@ -62,9 +58,7 @@ This contract defines fees that are spent for executing transactions and creatin
 | Network                      | Contract Address     |
 | ---------------------------- | -------------------- |
 | Emulator          | `0xf8d6e0586b0a20c7` |
-| Previewnet        | `0xb6763b4399a888c8` |
-| Testnet/Crescendo | `0x8c5303eaa26202d6` |
-| Sandboxnet                   | `0xf4527793ee68aede` |
+| Testnet | `0x8c5303eaa26202d6` |
 | Mainnet                      | `0xe467b9dd11fa00df` |
 
 This contract defines fees that are spent to pay for the storage that an account uses.
@@ -79,9 +73,7 @@ You can see [more docs about storage capacity and fees here.](https://docs.onflo
 | Network                      | Contract Address     |
 | ---------------------------- | -------------------- |
 | Emulator          | `0xf8d6e0586b0a20c7` |
-| Previewnet        | `0xb6763b4399a888c8` |
-| Testnet/Crescendo | `0x8c5303eaa26202d6` |
-| Sandboxnet                   | `0xf4527793ee68aede` |
+| Testnet | `0x8c5303eaa26202d6` |
 | Mainnet                      | `0xe467b9dd11fa00df` |
 
 This contract manages account creation and flow token initialization. It enforces temporary
@@ -97,9 +89,7 @@ You can find transactions for interacting with the service account contract in t
 | Network                      | Contract Address     |
 | ---------------------------- | -------------------- |
 | Emulator             | `0xf8d6e0586b0a20c7` |
-| Previewnet        | `0xb6763b4399a888c8` |
-| Testnet/Crescendo | `0x8c5303eaa26202d6` |
-| Sandboxnet                   | `0xf4527793ee68aede` |
+| Testnet | `0x8c5303eaa26202d6` |
 | Mainnet                      | `0xe467b9dd11fa00df` |
 
 This contract stores the history of random sources generated by
@@ -117,9 +107,7 @@ You can find transactions for interacting with the random beacon
 | Network           | Contract Address     |
 | ----------------- | -------------------- |
 | Emulator          | `0xf8d6e0586b0a20c7` |
-| Previewnet        | `0xb6763b4399a888c8` |
-| Testnet/Crescendo | `0x8c5303eaa26202d6` |
-| Sandboxnet        | `0xf4527793ee68aede` |
+| Testnet | `0x8c5303eaa26202d6` |
 | Mainnet           | `0xe467b9dd11fa00df` |
 
 The `NodeVersionBeacon` contract holds the past
@@ -137,9 +125,7 @@ history contract in the `transactions/nodeVersionBeacon` directory.
 | Network             | Contract Address     |
 | ------------------- | -------------------- |
 | Emulator            | `0xf8d6e0586b0a20c7` |
-| Previewnet          | `0xb6763b4399a888c8` |
-| Testnet/Crescendo   | `0x9eca2b38b18b5dfe` |
-| Sandboxnet          | `0xf4527793ee68aede` |
+| Testnet   | `0x9eca2b38b18b5dfe` |
 | Mainnet             | `0x8624b52f9ddcd04a` |
 
 These contract manages the list of identities that correspond to node operators in the Flow network
@@ -169,9 +155,7 @@ These scripts are documented in the [staking scripts section of the docs](https:
 | Network         | Contract Address     |
 | --------------- | -------------------- |
 | Emulator        | `0xf8d6e0586b0a20c7` |
-| Previewnet      | `0xb6763b4399a888c8` |
 | Testnet         | `0x95e019a17d0e23d7` |
-| Sandboxnet      | `0xf4527793ee68aede` |
 | Mainnet         | `0x8d0e87b65159ae63` |
 
 This contract manages the two year lockup of Flow tokens that backers purchased in the initial