Crumbs is a dApp that lets you leave and view permanent, on-chain comments on any website, enhancing communal web interaction.
Crumbs Extension
The crumbs is a dApp that allows users to create small comments on any website they wish to.
All comments commitment is permanently stored on chain and can be view by anyone.
[Crumbs website](https://crumbs.eurekonomicon.com/)
## How it works
Each website is represented by a unique hash that is generated by the website's URL.
```sh
cast keccak \"https://amazon.com\"
# returns 0x8f27e3e37487112bee4cf14def31d887af3a99e26bf5ec708e3e14860b4a8546
```
The user can then create a comment on the website by signing the hash of the website and the comment itself.
```sh
cast keccak \"common jeffrey you can do it\"
# returns 0x5483c75da019b9e9df6e65578e208793759ac3e3e1f4e0fbc9e5b92f85ffa293
```
The user can then submit the comment to the contract by calling the `storeComment(bytes32 _url, bytes32 _commentHash)` function with the hash of the website and the comment.
The comment is then stored on chain and can be viewed by anyone.
Technically, there is no reason why you shouldn't be able to send the commitment of entire Kalevala to the chain, but as of now, I won't be indexing offchain any comment that is larger than ~280 characters.
To view the comment content, we need a hash to value dictionary, which is stored offchain.
Source Manifest.json
"update_url": "https://clients2.google.com/service/update2/crx",
"manifest_version":3,
"name":"Crumbs",
"description":"Crumbs is a dApp that lets you leave and view permanent, on-chain comments on any website, enhancing communal web interaction.",
"version":"0.0.4",
"icons":{"16":"icon/16.png",
"32":"icon/32.png",
"48":"icon/48.png",
"96":"icon/96.png",
"128":"icon/128.png"},
"permissions":[],
"homepage_url":"https://crumbs.eurekonomicon.com",
"host_permissions":["*://*/*"],
"web_accessible_resources":[{"resources":["*"],
"matches":["*://*/*"]}],
"background":{"service_worker":"background.js"},
"action":{"default_title":"Crumbs",
"default_popup":"popup.html"},
"content_scripts":[{"matches":["*://*/*"],
"js":["content-scripts/content.js"],
"world":"ISOLATED"}]}
How to download and manually install Crumbs extension for Chrome
Looking for a way to install Crumbs extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.
However, you may need to install Crumbs extensions manually, this article outlines two simple methods to effortlessly install Crumbs extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.
Method 1: Download Crumbs extension and manually install through Drag &Drop
If you ever need to manually install a Crumbs extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.
Step 1: Download the Crumbs Extension by clicking the "Download CRX" button on the website.
Look for the Crumbs extension you wish to install. Go to the website and download the Crumbs extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for Crumbs extension that contains all the data.
Step 2: Extract &Arrange Files
Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.
Step 3: Go to the Chrome Extensions Page
Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.
Step 4: Drag and Drop the Extension
Now, go to the folder where you extracted the Crumbs extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.
Step 5: Complete the Installation
Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.
Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.
Method 2: Download Crumbs extension for Chrome and install in Developer Mode
This is another method to install Crumbs extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.
Step 1: Download the Crumbs extension file
Select and download the Crumbs extension by clicking the 'Download CRX' button on the website.
Step 2: Extract the downloaded contents
Convert the file to a ZIP file if it is in CRX format then extract the Crumbs extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your Crumbs extension running.
Step 3: Open Chrome Extension Setting Page
In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.
Step 4: Enable Developer Mode
After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.
Step 5: Load the Unpacked Extension
Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."
Step 6: Select the Extension Folder
Once the pop-up opens upon clicking Load unpacked, select the Crumbs extension directory and click on the "Select Folder "button.
Step 7: Confirm and Install
After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.
Conclusion
Here we've made a step-by-step guide on How to manually install Crumbs extension in 2 ways. We hope this guide proves helpful.
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