What were the first crypto trading pairs?

In delving into the early history of cryptocurrency trading, one of the inevitable queries that arise is: "What were the first crypto trading pairs?" The dawn of decentralized digital currencies brought with it a new era of financial transactions, and with that, the emergence of various trading pair combinations. As cryptocurrencies began to gain traction and popularity, the first trading pairs likely emerged as a means to facilitate the exchange of these new digital assets. Understanding the initial pairings is crucial to grasping the evolution of crypto markets and the evolving nature of digital asset trading.