In this post we look at how operators can organize supply of bitcoin ATMs with liquidity. For simplicity purpose only buy bitcoin transactions (sell bitcoins to customers) are considered.
When running a bitcoin machine every operator needs to provide it with liquidity. Usually this is done via using own capital (fiat and BTC) in order to fund hot wallet (from where bitcoins are sent to customers) or additionally holding some liquidity on bitcoin exchange (fiat currency liquidity), which is converted to BTC when transaction happens to lock exchange rate and later to replenish hot wallet for future transactions. You can read more details about it in Running bitcoin ATM from own hot wallet or Operating bitcoin ATM via exchange.