Gift crypto
The Swap Card is a crypto card you can hold: top it up and hand it over like cash – no app to install, no seed phrase.
Chip-secured
Key in the security chip
Support
We help in person
Verifiable worldwide
With any NFC smartphone
Secured
NFC Ready
Physical to Digital
We bring assets
into the digital world
The Tokentag. Turn physical objects into copy-protected RWAs by simply attaching it.
Digital to Physical
...and crypto
into real life
The Swap Card. Your hardware wallet you can hold in your hand. Swap Ethereum & coins physically like cash.
NFCTwo ways to make value tangible
Pick what fits you.
Protect art & valuables
The Tokentag is a stick-on NFC chip: it turns your work into a digital certificate of authenticity anyone can verify by phone.
Why Tokentagged?
No big words – verifiable facts.
Certified security chip
NXP JCOP 4 with Common Criteria certification EAL 6+ – the same chip class used in bank cards and ID documents.
Certificate NSCIB-CC-2300172 (Common Criteria Portal)Patent granted
The German Patent and Trade Mark Office has granted the patent for the Swap Card's handover process (DE 10 2025 133 131).
Key is created in the chip
The private key is generated inside the chip and never leaves it – we don't know it either.
Runs on Ethereum
Swap Cards and Tokentags work with Ethereum – the largest open network for tokens. Balances and certificates can be viewed with any common wallet and blockchain explorer.
Company based in Germany
Lueers Inventions GmbH, commercial register HRB 201787. Developed and shipped from Germany.
The team
The people behind Tokentagged.
Bernard LüersCEO & Founder- RF & RFID technology
- Hardware & embedded
- Blockchain & web development
Andreas RungeCMO- Marketing & content
- Marketplaces & Amazon
- Product communication
Louis PilleCCO- Sales & partnerships
- Consulting
- Finance
Ready to protect your work?
One Tokentag, one tap – and your work has a certificate of authenticity anyone can check.