Per Woofun AI, Tether CEO Paolo Ardoino disclosed that the count of self-custodial wallets built using the WDK open-source technology has exceeded 100,000. This milestone underscores the growing integration of open-source development tools into core crypto infrastructure.

WDK, a wallet development kit backed by Tether, supports integration across diverse environments, ranging from embedded systems to mobile, desktop, and server operating systems. The rising adoption rate reflects expanding developer engagement and user scale within the self-custody sector.