Tether released this last year but it didn't get much attention. Paulo Ardoino recently started posting about it on X.
Supposedly it is a developer kit for wallets that want to support bitcoin, LN, and Tether.
They are really pushing the "non-custodial" element of this, but it doesn't really make sense to me. How can Tether tokens ever be self-custodial?
WDK is a developer-first framework to create cross-chain wallets that are secure, extensible, and production-ready. It provides a single, stateless API to interact with Ethereum, Bitcoin, TON, and Spark (Lightning Network)—abstracting blockchain-specific complexity while keeping developers in full control of keys and data.
The landing page has this
Do androids dream of electric sheep and noncustodial wallets?
Makes you wonder if they are planning something involving payments and ai agents.