Which country charges highest GST?

Good day, I'm curious to inquire about a specific aspect of taxation in the realm of cryptocurrency and finance. I've been hearing differing opinions on which country imposes the highest Goods and Services Tax (GST) on cryptocurrency transactions. Could you please provide a concise yet informative overview on which country currently holds the record for the highest GST levied on cryptocurrency activities? This information would be invaluable in my research and understanding of the global tax landscape for digital assets. Thank you in advance for your insights.