I've even seen buskers in London with a machine set up so you can tap your card to tip. Edit: apparently this was a thing even back in 2018 https://www.theguar

I've even seen buskers in London with a machine set up so you can tap your card to tip. Edit: apparently this was a thing even back in 2018 https://www.theguardian.com/music/2018/may/27/busking-joins-cashless-society-as-musicians-start-using-card-readers https://www.theguardian.com/music/2018/may/27/busking-joins-...