A relatively narrow money aggregate centered on transaction-ready currency and deposits, with jurisdiction-specific components.
M1 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.
M1 is an analytical lens, not a slogan or automatic proof that every claim about Bitcoin is correct. Use it to trace scarcity, incentives, prices, time and human choice, then compare the reasoning with the protocol’s verifiable rules.
Understanding M1 helps distinguish a verifiable Bitcoin mechanism or historical record from slogans, products and market narratives.
For the clearest picture, read this entry together with M0, M2, Broad money, Medium of exchange. The reverse links also lead from Broad money, M0, M2.
Linked to related atlas coordinates
Grounded in a source record
Explains function and trade-offs
Part of the open Bitcoin knowledge graph