BitGo

BitGo is an enterprise-grade wallet focused on providing services for business entities. It makes possible for companies to accept Bitcoin and a list of other selected cryptocurrencies by maintaining high security standards and offering possibility to perform instant transactions. BitGo is a big player in crypto market, processing a volume of monthly transactions equal to $10 billion and even more. This platform supports multi-signature technology, allows its users to create private blockchains and provides zero confirm transaction services. Users can choose where to keep their private keys: on BitGo server or offline. There are also mobile apps available for doing business on the go. BitGo is not an open source wallet and there will be a commission of %0.25 or more per outgoing transaction.