The WallETH wallet this is a wallet practically for the use of Ether cryptocurrencies, it has a mobile phone application where it has a very good interface where the user can monitor their balance and the value of the currency whenever they want, it also has access to be able to show the value of Ethereum in fiat currency EUR, NZD, USD among others, so that the user remains more comfortable. This service uses the CryptoCompare API. This is one of the best options if you want to store your Ethereum or their respective ERC-20 token chains.