Mining
Heating companies with bitcoin computers since 2021. Next to heating excess electricity is being effectively consumed. Business case, purchase, installation, maintenance and independent consultancy.
Secure storage
Your bitcoin is accessible by one or more keys. Who has access to these keys? If you generate your keys yourself and secure them physically you are protected against hacks and malware. Sovereign key hodlers are max secured.
Our services
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Select options This product has multiple variants. The options may be chosen on the product page Quick View
Coldcard Q
Price range: € 269,99 through € 309,99 -
Foundation Passport Core Stealth
€ 249,95 -
Select options This product has multiple variants. The options may be chosen on the product page Quick View
Coldcard MK4
Price range: € 164,99 through € 219,99 -
Select options This product has multiple variants. The options may be chosen on the product page Quick View
Tapsigner
€ 29,99



