As I was shuffling papers in some old files, I came across a slip of paper on which I had written down the price I had paid for a Mexican $50 gold peso coin: $717 Mexican pesos.

Bitso Business, an arm of the Mexican crypto exchange Bitso, will launch a Mexican peso-pegged stablecoin on the Ethereum layer-2 network Arbitrum. The stablecoin, MXNB, will be issued and managed ...