Svmuu News South Korea accounts for 30 percent of global cryptocurrency trading volume, with torrents accounting for 85 percent of that volume, bitcoin just 9 percent and ethereum 6 percent, according to Kaiko data. On the other hand, yen-denominated trading has stabilized at $2 billion to $3 billion per month spread across four exchanges, well below South Korea's average weekly volume of $26 billion, but its bitcoin market is three to five times deeper.