Written by Pablo Gómez
Founder & CEO at Metlabs · Reviewed on October 11, 2026
A small payment requires costs that do not consume an excessive share of its value. Aggregation and payment channels can reduce unit costs.
Lightning Network uses channels for Bitcoin payments outside the base chain. Other systems use stablecoins or internal balances. Each model has availability, liquidity and conversion requirements.
Relevant cost includes funding, withdrawal, infrastructure and operations as well as transfer. A low on-chain fee alone does not establish viability of the whole payment flow.
Also known as
- Micropayments





