RailsX Goes Live: Amboss Brings Self-Custodial Bitcoin and Stablecoin Trading to the Lightning Network

TLDR:

• RailsX enables peer-to-peer bitcoin and stablecoin trading natively on the Lightning Network with no intermediary..
• The platform launches with two stablecoin pairs, USDT-L and USDC-L, both issued by Speed Wallet on Lightning.
• All trades settle atomically through Lightning channels in seconds, removing the need for centralized exchanges.
• RailsX combines Amboss’s Magma liquidity marketplace with Taproot Assets to power decentralized BTC trading.

RailsX, a new peer-to-peer exchange built on the Lightning Network, is now live for early users. Amboss Technologies developed the platform to allow self-custodial trading between bitcoin and stablecoins.

The launch introduces two stablecoin-bitcoin pairs: USDT-L and USDC-L, both issued by Speed Wallet. Users retain full control of their private keys throughout all transactions, removing the need for centralized custody.

Trading Bitcoin Against Stablecoins Without Giving Up Custody

RailsX routes all trades through existing Lightning payment channels. This means settlement happens in seconds, with minimal fees and no third-party intermediary holding assets.

There is no centralized order book managing trades on the platform. Instead, transactions execute atomically, giving users a fully decentralized trading experience.

The platform is accessible through open-source node manager Thunderhub, with no additional setup required. Amboss is also coordinating liquidity formation across BTC/stablecoin pairs to support growing trading volume.

RailsX combines Amboss’s liquidity marketplace, Magma, with Taproot Assets to enable this decentralized structure. The company says this approach aligns with its reading of U.S. draft Clarity Act legislation.

Speed Wallet handles the issuance and underlying custody for both USDT-L and USDC-L. All assets remain fully backed and transparent under Speed Wallet’s framework.

Before RailsX launched, Speed Wallet had already been operating wrapped stablecoins for its own users. Now, that infrastructure is available to the entire Lightning Network through RailsX.

Amboss CEO and co-founder Jesse Shrader addressed what the platform means for everyday users. “RailsX lets users trade, hold, and move value on Lightning without ever giving up control of their money,” Shrader said.

He added that the platform is designed to unlock Bitcoin’s potential as a medium of exchange. According to Shrader, RailsX serves global stablecoin demand without exposing users to cross-chain decentralized finance risks.

Stablecoins Return to Bitcoin via Taproot Assets

RailsX builds on Amboss’s existing Rails product, which lets users supply liquidity to Lightning channels and earn yield. The new platform extends that foundation into fully self-custodial stablecoin trading.

Industry leaders have recently discussed bringing stablecoins back to Bitcoin using Taproot Assets. These include Tether CEO Paolo Ardoino and Lightning Labs CEO Elizabeth Stark.

Speed Wallet CEO Raj Patel spoke directly about the platform’s role in expanding access. “Speed Wallet built this technology with one goal: to make stablecoins on Lightning accessible to everyone,” Patel said.

He described RailsX as the kind of distribution platform Speed Wallet had always envisioned. Patel also noted that the launch takes self-custody stablecoin trading into the mainstream for the broader Lightning Network.

The Lightning Network saw a sharp drop in capacity earlier this year amid bear market conditions. However, capacity has largely stabilized over the past two months.

According to The Block’s data dashboard, total U.S. dollar capacity on the network stands at roughly $380 million. Bitcoin capacity hovers at approximately 4,870 BTC. RailsX was first unveiled in January and is now entering its early-user phase. 

The platform represents a growing push to make Bitcoin a practical medium of exchange at scale. As stablecoin demand rises globally, Lightning-native solutions like RailsX are drawing increasing attention from users seeking alternatives to centralized exchanges.

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