What crypto is backed by gold?
Could you please elaborate on the concept of cryptocurrencies backed by gold? I'm curious to know how the value of these digital assets is tied to the precious metal. What are the key mechanisms and principles behind this type of crypto-gold linkage? Also, which specific cryptocurrencies currently operate on this model, and how do they ensure the integrity and transparency of their gold backing? Finally, what are the potential advantages and risks associated with investing in gold-backed cryptocurrencies?