Our background

We are EPFL engineers, security architects, gold and precious metals brokers and financial advisors. Our goal is to make holding cryptocurrencies less complex and more secure.

SMD Security Printing Sàrl. We are blockchain and security engineers. SMD is a Swiss entity registered in the Canton of Vaud / Switzerland under the number CH-462.499.780. We work since 2018 in security blockchain projects, securing Gold, Silver, Rhodium and other precious metals for financial institutions.

City Safe Sàrl. A Swiss Vault company based in Lausanne and registered in the Canton of Geneva / Switzerland under the number CHE-247.022.257. We secure gold, silver, diamonds, documents since 2016. Swiss Vaults and Secure safes.

Euporos SA. Is owner of City Safe Sàrl and shareholder of SMD Security Printing Sàrl. The company is a Swiss entity registered in the Canton of Geneva / Switzerland under the number CH-CHE-115.945.571. The company has a business unit for Gold, Silver, Platinum, Palladium, Rhodium, Ruthenium and Iridium brokerage. A recycling business unit for precious metals from the electronic and automobile industry. A set of 4 vaults in Geneva, Lausanne, Zurich and Sion for stocking precious metals for individuals, family offices and trusts.