Abstract: Emergence of crypto currencies has developed technological revolution in global financial markets. What factors determine crypto valuation have an important effect on business and investment. The paper outlines the ongoing research on the interactions between social media and bitcoin value in Thai crypto market. The research model is constructed to examine the dynamic interactions between social media and bitcoin value. The data mining technique using in this research is vector error correction models. The expected results will show how bullish forum posts affect future bitcoin values, who has more effects on bitcoin – silent majority or vocal minority. Research findings will reveal whether social media sentiment is important in determining bitcoin’s value. This research provides new insights into Thai digital currency market as well as the economic impact of social media.