Four XRP spot ETFs now trade in the US, with combined assets of $941.7 million as of Dec. 18. Grayscale's GXRP holds $148.1 million, Canary Capital's XRPC $373.6 million, Franklin Templeton's XRPZ $189 million, and Bitwise's XRP ETF $215.6 million. That stack grew from roughly $336 million at launch in November to current levels in [...]The post XRP ETFs are booming, but a quiet $15 billion payment layer matters more than the price appeared first on CryptoSlate.