In particular embodiments, a method of transferring money by use of a payment proxy includes receiving a notification of an intent to initiate a monetary transaction in a message entered by a user of a communication platform, identified based on a determination of a particular context associated with content of the message. The method includes parsing the message to identify a unique payment proxy associated with a financial account having a syntax that includes a currency indicator and a string of characters. The method includes identifying a recipient financial account associated with the unique payment proxy. The method includes identifying a sender financial account based on the particular context associated with the content of the user message. The method includes initiating a transfer of a payment amount between the sender financial account and the recipient financial account associated with the unique payment proxy in accordance with the monetary transaction.