the blockchain wallet is the most used and the most popular platform.The wallet is extremely well designed and very easy for using .It is a multiservices platform with the trading features which has been added to trade or buy Bitcoin.This digital wallet is accessible for both web or devices.Blockchain makes it sure and easy for anyone to surely use Bitcoin with clear interfaces .This platform even has application to use efficiently the wallet.The very problem we though have with blockchain is the impossibility of using bank card