The document discusses peer-to-peer lending and payments, which allow individuals to send money to one another directly through digital networks. It describes how peer-to-peer lending works, with one individual lending money to another to be paid back later. It also explains remittances, where people in one country send money to others in different countries through local agents. The document then discusses how distributed ledger technology and cryptocurrencies represent new digital money systems built on peer-to-peer networks.