Boltz Exchange Launches Atomic USDT Swaps for Lightning Network Users

Boltz Exchange introduced atomic, non-custodial USDT Swaps on March 18, 2026, enabling users to swap Lightning Network sats directly with USDT on Arbitrum-based networks using USDT0, an omnichain token standard from LayerZero. This integration concentrates liquidity on Arbitrum, simplifying cross-chain swaps for Bitcoiners by abstracting away bridge complexities and offering a trustless path to DeFi without counterparty risk. The process involves a trustless atomic swap from Lightning to tBTC, followed by a DEX swap to USDT0, all managed by an Arbitrum Router contract that abstracts gas fees, meaning users do not need ETH. This functionality allows for secure business applications like topping up crypto debit cards or receiving USDT payments while settling in Lightning sats, all while maintaining self-custody. Boltz plans to expand these swaps across all supported Bitcoin layers and eventually integrate chains like Tron and Solana via USDT0's Legacy Mesh.

(Source：Bitcoin Magazine)