Why are my coins blue?
I've noticed that some of my coins have turned blue. I'm wondering why this has happened. Could it be due to some chemical reaction or environmental factors? Is this a common occurrence, and should I be concerned about the value or authenticity of my coins?
Why is blue used in finance?
Could you please elaborate on the significance of using the color blue in the field of finance? Is there a historical context or a specific reason why blue is often associated with financial institutions and documents? I'm curious to understand the psychology behind this choice and how it might influence people's perception of finance and money. Is blue perhaps chosen for its calming effect or does it hold a deeper meaning in the financial world?