How to register an ISCN?

The 1st demo of an ISCN application
Users can go to and register an ISCN for their content and a unique image will be generated randomly. Even if there is a tiny little change to two pieces of similar content, the image for the ISCN will not be the same.
Registering ISCN to the LikeCoin chain will also upload the content to IPFS and Arweave and/or Numbers Protocol. Users only have to pay a small amount of LikeCoin for registering and hosting.
Users can also check an ISCN record and it's details in
Users can use to try out and register his/her ISCN.

Register an ISCN

Step 1: Login

Visit with the browser and click [Connect Wallet] on the top right corner to login by wallet.
Please register a Keplr wallet before registering an ISCN or using Liker Land app.
Keplr Browser Extension: Please log in to Keplr in your browser. On the first time you log in, you will be asked to "Approve" on Keplr.
Liker Land app: A QRCode will appear after clicking "Liker ID".
On the Liker Land app, click the QRCode icon to bring up the camera, and scan the QRCode.
Or click "WalletConnect" on settings, then click "New connection" and and scan the QRCode.
The ISCN App window will pop-up, click "Approve".
After that your wallet address will be displayed on the top right hand corner, click [Register] to publish your work.

Step 2: Upload Content

Click [Select a file] to select a photo or upload the photo by drag-and-drop.
After the upload is completed, click "View File Info" to check the metadata of your file, for example EXIF data including location and camera settings.
Click [Start Register] to proceed.

Step 3: Fill in the metadata

Fill in the information about this content.
  • Register your asset in Numbers Protocol - Click on it and the work will be registered with Numbers Protocol too
  • ISCN Title
  • Description
  • Author - Click to fill into more details. You may fill in more than one author as the work may be co-created.
    • Name
    • Liker ID
    • Description
    • URL
    • Wallet Address
  • Tags - help others to find your content
  • URL - of the content
  • License - may refer to Creative Commons for reference
Although most of the fields are optional, it is recommended to be as detailed as possible for content discovery and authenticity later. The system will estimate the cost of this registration. After filling all the information, click [Register].

Step 4: Getting the ISCN

Keplr: A Keplr windows will pop up for payment confirmation, choose the transaction speed you need: Low, Average or High, then click "Approve".
Liker Land app: A signature request shows up on your phone, click "Approve"
Publishing to blockchain normally takes a few seconds only.
ISCN with a unique content fingerprint is ready.
Back to homepage, click [My Publishing] to list all your publications.
Click on a particular piece to check out the metadata and the original file.

Register an ISCN on Matters

When writing an article on Matters, select "Register ISCN" in the "Article Management" in the lower right corner and you can register for ISCN when publishing the article.
Registered ISCN can be viewed in "My Publishing".

Publish Writing NFT

After registering an ISCN, users can publish it as Writing NFT.