What did the europeans pay to the Chinese in the 1800s?

In the 1800s, Europeans primarily paid the Chinese for goods such as silk, tea, and porcelain using silver, particularly Spanish dollars, which were widely accepted. The opium trade also became a significant factor, as British merchants exchanged opium for Chinese goods, leading to social and economic issues in China. This trade imbalance prompted tensions, contributing to events like the Opium Wars. Thus, the payment methods reflected both direct monetary transactions and the complexities of trade relationships.