Update Provider Examples to Use QuickNode URLs

Author: Dan Forbes

docs/docs/guides/web3_providers_guide/index.md

@@ -42,7 +42,7 @@ import { Web3, HttpProvider } from 'web3';
 
 // supply an HTTP provider as a URL string
 // highlight-next-line
-const web3 = new Web3('https://mainnet.infura.io/v3/YOUR_INFURA_ID');
+const web3 = new Web3('https://<NETWORK_ENDPOINT>.quiknode.pro/<API_TOKEN>/');
 
 await web3.eth.getBlockNumber()
 // ↳ 18849658n
@@ -51,7 +51,7 @@ await web3.eth.getBlockNumber()
 
 // supply an HTTP provider by constructing a new HttpProvider
 // highlight-next-line
-const web3_2 = new Web3(new HttpProvider('https://mainnet.infura.io/v3/YOUR_INFURA_ID'));
+const web3_2 = new Web3(new HttpProvider('https://<NETWORK_ENDPOINT>.quiknode.pro/<API_TOKEN>/'));
 
 await web3.eth.getBlockNumber()
 // ↳ 18849658n
@@ -84,7 +84,7 @@ const httpOptions = {
     } as RequestInit,
 };
 
-const web3 = new Web3(new HttpProvider('https://eth.llamarpc.com', httpOptions));
+const web3 = new Web3(new HttpProvider('https://<NETWORK_ENDPOINT>.quiknode.pro/<API_TOKEN>/', httpOptions));
 ```
 
 ### WebSocket Provider
@@ -96,7 +96,7 @@ import { Web3, WebSocketProvider } from 'web3';
 
 // supply a WebSocket provider as a URL string
 // highlight-next-line
-const web3 = new Web3('wss://mainnet.infura.io/ws/v3/YOUR_INFURA_ID');
+const web3 = new Web3('wss://<NETWORK_ENDPOINT>.quiknode.pro/<API_TOKEN>/');
 
 await web3.eth.getBlockNumber();	
 // ↳ 18849658n
@@ -105,7 +105,7 @@ await web3.eth.getBlockNumber();
 
 // supply a WebSocket provider by constructing a new WebSocketProvider
 // highlight-next-line
-const web3_2 = new Web3(new WebSocketProvider('wss://mainnet.infura.io/ws/v3/YOUR_INFURA_ID'));
+const web3_2 = new Web3(new WebSocketProvider('wss://<NETWORK_ENDPOINT>.quiknode.pro/<API_TOKEN>/'));
 
 await web3.eth.getBlockNumber();
 // ↳ 18849658n
@@ -230,11 +230,11 @@ web3.setProvider(new Web3.providers.WebsocketProvider('ws://localhost:8546'));
 
 ### Remote Provider
 
-Services like [Alchemy](https://www.alchemy.com/), [Infura](https://www.infura.io/), and [QuickNode](https://www.quicknode.com/) offer Ethereum node services that can be accessed via HTTP or Websocket.
+Services like [QuickNode](https://www.quicknode.com/), [Alchemy](https://www.alchemy.com/), and [Infura](https://www.infura.io/), offer Ethereum node services that can be accessed via HTTP or Websocket.
 
-```ts title='Alchemy, Infura, etc'
+```ts title='QuickNode, Alchemy, Infura, etc'
 import { Web3 } from 'web3';
-const web3 = new Web3('https://eth-mainnet.alchemyapi.io/v2/your-api-key');
+const web3 = new Web3('https://<NETWORK_ENDPOINT>.quiknode.pro/<API_TOKEN>/');
 ```
 
 Web3.js provides helpful utilities for working with certain well-known remote providers. Read more about these utilities in the [Web3.js External Providers](#web3js-external-providers) section.