BitBox has added a self-custody Lightning hot wallet to its mobile BitBoxApp, allowing hardware-wallet users to make faster Bitcoin payments through an existing BitBox backup without recording another recovery phrase. The Lightning balance remains separate from Bitcoin held through the hardware wallet, although both can be accessed and recovered through the same application and backup. Users can pay and receive Lightning invoices, obtain a dedicated Lightning address, and transfer funds between the Lightning balance and their on-chain BitBox wallet. The feature is designed for smaller amounts and routine spending, while larger holdings remain in the hardware-protected wallet. Breez SDK provides the payment functionality, and Spark, a Bitcoin payment system developed by Lightspark, removes the need to run a Lightning node, open channels, or manage liquidity. The wallet remains non-custodial but has the security profile of a hot wallet because it operates on an internet-connected mobile device. BitBox included the feature in its 09.2026 Meggen release. U.S. users should also account for federal tax rules, under which spending Bitcoin can create a reportable capital gain or loss.