Legal representative:

Moritz Stumpf (Managing Director)


Phone: +49 (0)40 999 941 54
E-Mail: moin[at]

Sales tax identification number:


Commercial register entry:

Registry court: Hamburg Local Court
Register number: HRB 150769

Online Dispute Resolution (OS) platform:

The European Commission provides a platform for online dispute resolution (OS).
The platform can be found at:
Our email address is:
We are neither obligated nor willing to participate in the dispute resolution process.

Responsible according to § 55 para. 2 RStV (V.i.S.d.P.):

Moritz Stumpf (Managing Director)
Blockchain Solutions GmbH
Stuvkamp 19
22081 Hamburg

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