Svmuu News: Paolo Ardoino, CEO of Tether, announced on X that the number of self-custody wallets built using the WDK open-source technology has surpassed 100,000. This milestone demonstrates that open-source wallet development tools are being increasingly adopted in the construction of practical crypto infrastructure, with the user base and developer adoption rate of the self-custody ecosystem continuing to grow.WDK is an open-source wallet development kit supported by the Tether. It can be integrated into any device, ranging from embedded systems to mobile, desktop, or server operating systems.