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Coming soon!

Look forward to our new crypto stamp "Kölner Dom" in the series historical buildings in Germany. Starting June 2024.

You already have a booklet and would like to request your NFT or learn how to start collecting digitally?

Direct link to collecting!

Order your booklet today:

The booklet contains a physical stamp and the access data for your digital image as a non-fungible token (NFT).
The circulation is limited to 250,000 units.

How to access our order pages:

Delivery address for the booklet within Germany:
Domestic order

Delivery address for the booklet outside Germany:
International order


Enter the world of collecting!

  • Purchase our crypto stamp in the booklet
  • Install your MetaMask® wallet while you wait for your booklet to arrive


  • Set up your user account at and collect your digital stamps there
  • Link your wallet with your user account at and create your NFT free of charge

For more support in the world of collecting, go to Direct link to collecting

More information is available here.


The most important information at a glance

Roll the tape! Learn how you can enter the new world of digital stamp collecting:

  • Get information and enter the world of digital collecting
  • In the first minute, you'll learn how to acquire the booklet and install your MetaMask® wallet
  • In the second minute, you'll learn more about the "Collecting" steps at our partner site
  • In the third minute, you'll learn how to link your wallet and create your NFT at


A product description of the "Brandenburger Tor" crypto stamp is available here.


A crypto stamp is a combination of a physical stamp and its digital image, to which a non-fungible token (NFT) is clearly assigned in the blockchain.

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An NFT (non-fungible token) is a digital collectible that belongs exclusively to you and confirms that you are in possession of something special, such as the digital image of your stamp with a unique number, or a digital piece of art.

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In additional to the booklet, you can set up an account with our cooperation partner and thus enter the digital collecting world there as well. Once you have accessed your digital motif there using the booklet, only one last step is required for provision as an NFT: your own digital wallet. You can already create the MetaMask wallet needed for this. Click here to see our FAQs for the various topics.

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A wallet is a digital pocketbook that enables the owner to securely manage numerous digital data in the blockchain. Hardware-based wallets also exist in addition to the implementation as software or web services.

What they all have in common is that they employ secure cryptographic processes for storage and carrying out transactions. This includes the tracking of property (NFT) or the receipt/issue of cryptocurrency.

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The NFT for the "Brandenburger Tor" crypto stamp is created on Polygon. This is a public blockchain frequently used for NFTs that works with the "proof of stake" procedure and can thus carry out transactions with low energy input.

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Domestic crypto stamps also enjoy great popularity internationally. In additional to domestic delivery, we therefore in particular offer you international shipping together with our partner

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Shipping of the booklet containing the crypto stamp depends on the date of order, but will begin no sooner than November 2, 2023.

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Additional questions and answers can be found here.

Our cooperation partners:

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Orders can also be placed with our partner website Packaging and shipping of the crypto stamps is handled by the Weiden Shipping and Service Center of Deutsche Post., headquartered in Berlin, was founded in 2020 with the goal of marketing special stamps.

         was founded in 2022 by PROxID and Royal Joh. Enschedé together with blockchain technology partners like Concordium and Polygon. is a platform at which collectors can purchase, collect and trade valuable crypto stamps worldwide.