Grayscale: XRP’s Near-6% Bitcoin Valuation Sets a Benchmark for Zcash

XRP is valued at nearly 6% of bitcoin's market capitalization, a level Grayscale cites as context for how far rival digital currencies can grow. Zcash rose from under 0.1% to about 1.5% of bitcoin's value in a year, and the firm says it has not hit a valuation ceiling.