At launch, Topper’s off-ramp will have a 1.75% transaction fee, he said, adding that the tool will offer a no-fee promo for off-ramp transactions until Dec. 22. The daily limit on withdrawal ...

Uphold, a global cryptocurrency broker, is expanding its capabilities for self-custodial wallets with the launch of a new crypto off-ramp solution through its payment platform, Topper. The ...