Even if this is ever perfected and it works as a conductor in electric circuitry, that only represents a small portion of silver’s overall uses and demand. Unless this somehow can do solar panels and everything else silver is used for I would not worry. Matter of fact even if this and other new developements could replace all of silver’s industrial uses over time, monetary demand is going to become so great, that it won’t matter one iota. https://www.zerohedge.com/markets/mxene-related-stocks-soar-after-korean-scientists-claim-breakthrough-new-mass-production