The ING smartphone app can now also be used to approve payments (https://www.ing.nl/particulier/mobiel-en-internetbankieren/internetbankieren/mobiel-goedkeuren/

The ING smartphone app can now also be used to approve payments (https://www.ing.nl/particulier/mobiel-en-internetbankieren/internetbankieren/mobiel-goedkeuren/index.html https://www.ing.nl/particulier/mobiel-en-internetbankieren/i...), but that doesn't exactly remove the phone dependency.