Tether Wallet 1.4 introduces Lightning Network support with BOLT11 invoices and LNURL
Tether just shipped the feature that turns its mobile wallet from a stablecoin parking garage into something closer to a full-service Bitcoin payment tool. Version 1.4 of Tether Wallet introduces Lightning Network support, complete with BOLT11 invoices and LNURL functionality, letting users send and receive Bitcoin at the speed and cost that the base layer simply can’t match.
What the update actually does
BOLT11 is the standard format for Lightning Network payment invoices. It tells the sender exactly how much Bitcoin to send and where to route it. LNURL is a layer on top of that, making the whole process more human-friendly with features like reusable payment links and simplified authentication.
Tether Wallet users can now generate specific payment requests with exact amounts, scan or share Lightning invoices, and benefit from improved fee estimation. That last bit matters more than it sounds. Bad fee estimation on Lightning can mean failed payments or overpaying for routing.
The wallet supports Bitcoin on both the base layer and Lightning, USDT, USAT, and XAUT, Tether’s gold-backed token. All of this sits inside a self-custodial framework, meaning Tether never holds your keys. The app is built on Tether’s open-source Wallet Development Kit, or WDK.
The backstory: from stablecoins to Bitcoin rails
On January 30, 2025, Tether announced a partnership with Lightning Labs to bring USDT directly to Bitcoin and the Lightning Network using the Taproot Assets protocol. Taproot Assets allows tokens other than Bitcoin to be issued and transferred on Bitcoin’s base layer and routed through the Lightning Network.
The Tether Wallet first launched in mid-April 2026. Version 1.4 is the moment where the Lightning piece actually goes live for end users.
What this means for investors and the broader market
No significant market reactions have been noted following the 1.4 rollout. The focus within the community remains on Tether’s overarching Bitcoin strategy, which includes making USDT widely available on the Lightning Network.
When the company eventually enables USDT transfers over Lightning, as the January 2025 roadmap outlined, the implications get larger. Sending dollar-pegged stablecoins over Lightning rails at near-zero cost and near-instant settlement would position the product as a direct competitor to remittance services and cross-border payment providers in emerging markets where Tether already has significant traction.
The competitive landscape includes wallets like Phoenix, Breez, and Zeus, which already serve the Lightning-native crowd, and Strike, which has built its business model around Lightning payments. What Tether brings is the stablecoin bridge — the ability to unify Bitcoin, USDT, USAT, and XAUT in one self-custodial application.
Disclaimer: The content of this article solely reflects the author's opinion and does not represent the platform in any capacity. This article is not intended to serve as a reference for making investment decisions.
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