There was a first wave of contactless in the US, which then died very quickly because major retailers sued Visa/MC about preferential terms for contactless card

There was a first wave of contactless in the US, which then died very quickly because major retailers sued Visa/MC about preferential terms for contactless cards, and won. The new wave seems mostly driven by Stripe and Square being adopted by small businesses everywhere and supporting it out of the box, forcing the major retailers to finally catch up.