---The transaction involved the tUSDT asset, an RGB20 representation of the USDT stablecoin transferred into the RGB ecosystem via the UTEXO.com bridge.

The transaction numbers show: swap of approximately 12,000 satoshis for 13 tUSDT; channel with capacity of 100,000 satoshis and 90 tUSDT; instant settlement without mempool traces; both nodes operating on Raspberry Pi 4 with 4GB RAM. The execution was instant, private, and required only a few satoshis in fees.

---RGB technology extends Lightning Network functionality by enabling the transfer of assets other than BTC. RGB-enabled Lightning channels make atomic swaps possible with the same trustless guarantees as bitcoin payments. Atomicity is guaranteed through Hash Time-Locked Contracts (HTLC): either the swap completes entirely, or no transaction is executed. The advantages over traditional solutions are multiple: on-chain fees only required for opening and closing channels, instant settlement without double spending risk, impossibility for other operators to see and frontrun transactions, and superior privacy.

---A technical detail concerns the hardware used: both RGB Lightning nodes involved in the swap operated on Raspberry Pi 4 with only 4GB of RAM, simultaneously running a Bitcoin full-node and an Electrum server