Remote channel capacity available to receive Lightning payments; owning outbound bitcoin alone does not create it.
Inbound liquidity is best understood as part of a system rather than as an isolated definition. Its related coordinates show the mechanisms, incentives and historical records that give the term practical meaning.
Inbound liquidity sits between protocol rules, economic incentives and software operated by independent participants. In Bitcoin, no component is authoritative by itself: miners propose history, fully validating nodes enforce validity, and users decide which rules and software they accept.
Understanding Inbound liquidity helps distinguish a verifiable Bitcoin mechanism or historical record from slogans, products and market narratives.
For the clearest picture, read this entry together with Lightning Network, Submarine swap. The reverse links also lead from Lightning liquidity, Submarine swap, Olaoluwa Osuntokun.
Linked to related atlas coordinates
Grounded in a source record
Explains function and trade-offs
Part of the open Bitcoin knowledge graph