A small microchip could be placed in a ring using a combination of bluetooth, NFC, and RFID technology to enable contactless verification. The device could provide silent notifications via haptics.
Haptic4D.com
HapticHand.com
GlowPalm.com
PalmBiometrics.com
eSIMwear.com
BankWearables.com
WearableSYS.com
LinkedBanking.com
WearableBit.com
BTCwearables.com
SwipeMi.com
ImmersiveHaptics.com
BionicHaptics.com
WearableHaptics.com
4DSuit.com
HAPTIFICATION.com
Haptified.com
4DRemote.com
4Dimmersion.com
4DGirl.com
ImmersiveGirl.com
ImmersiveImagination.com
WearableForce.com
TactileForce.com
Intelli5G.com
KineticAbility.com