Interestingly, the emergence of cryptocurrencies and digital assets have provided a viable alternative to traditional foreign exchange services like remittances. Digital assets are also expected to become more ingratiated with the conventional financial system, and the expansion of trading pairs of many digital assets serves as a stark indicator of their inclusion within the financial portfolio and investment services of brokers.

The need to exchange currencies is the primary reason why the forex market is the largest, most liquid financial market in the world. It dwarfs other markets in size, even the stock market, with an average traded value of around U.S. $2,000 billion per day. (The total volume changes all the time, but as of August 2012, the Bank for International Settlements (BIS) reported that the forex market traded in excess of U.S. $4.9 trillion per day.)
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