This article discusses implementing CouchDB style conflict resolution with Postgres (central backend database) and PouchDB (frontend app user database). Conflict resolution is an aspect of taking multiple simultaneous changes, which may be conflicting, and merging them into one change. The author explains how to use RxDB on the frontend and pair it with Hasura to build powerful apps with great user-experience. They also provide a detailed guide on implementing custom conflict resolution strategies using Hasura.