Agriculture was the primary economic activity of the Byzantine Empire, with wheat, barley, and olives being the main crops.

Silk was the main export of the Byzantine Empire, followed by spices, gold, and wine.

Grain was the main import of the Byzantine Empire, followed by metals, textiles, and slaves.

The state played a limited role in the Byzantine economy, regulating trade and taxation, but not controlling all economic activity.

The solidus was the currency of the Byzantine Empire from the 4th to the 11th century, followed by the hyperpyron, the nomisma, and the miliaresion.

The Byzantine Empire controlled many of the major trade routes of the time, including the Silk Road, the Spice Route, the Mediterranean Sea, and the Black Sea.

The Byzantine Empire stimulated the economy of Europe by providing a market for European goods and by introducing new technologies and products.

The Byzantine Empire stimulated the economy of Asia by providing a market for Asian goods and by introducing new technologies and products.

The Byzantine Empire stimulated the economy of Africa by providing a market for African goods and by introducing new technologies and products.

The economic decline of the Byzantine Empire was caused by a combination of factors, including the rise of Islam, the Crusades, the Mongol invasions, and the Black Death.

The Byzantine Empire left a lasting legacy of economic and trade practices, including the use of gold as a currency, the development of trade routes, and the introduction of new technologies and products.

Constantine I introduced the gold solidus as the standard currency of the Byzantine Empire in 312 AD.

The Black Sea Route was the Byzantine trade route that connected the Mediterranean Sea with the Black Sea.

Justinian I established the first state-owned silk factory in Constantinople in the 6th century AD.

The kommerkion was the Byzantine tax that was levied on all goods entering or leaving the empire.