Focus Online, one of Germany’s leading digital media platforms, have published a resoundingly positive review of the Smart Chip fingernail chip. 

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https://www.focus.de/digital/dld-conference/koennte-sich-durchsetzen-kreditkarte-auf-dem-fingernagel-reporterin-macht-den-test_7b9fe6c1-fcfd-4c47-afac-769728817ce4.html