Leading cryptocurrencies have struggled for momentum over the past week, but frog-themed meme token Pepe (CRYPTO: PEPE) has emerged as a notable outperformer. PEPE Outclasses Biggies PEPE has jumped 13% over the past week, bucking the declines in market heavyweights such as Bitcoin (CRYPTO: BTC), Ethereum (CRYPTO: ETH) and Dogecoin (CRYPTO: DOGE).