This wallet is very interesting and exclusive, it is considered one of the safest virtual wallets in the digital market but its use is exclusive for bitcoin users and the latest update suggests improvements for business management. It is compatible with different systems such as android mobile devices and IOS system in addition to google chrome, it represents a useful tool for those who keep in touch with technology. People whose use it highlight its security as a favorable and counterproductive agent, however it is classified as one of the ten safest purses.
Some specialized web pages refers to the problem with this wallet is its own level of maximum security. The funds are protected by both the user's private key and the GreenAddress key, which implies that to carry out any type of operation it is necessary to have approval from a third party. This operation provides greater security, but it is contrary to the sense of decentralization of cryptocurrencies.
Its improvements are striking, after it was absorbed by Blockstream in 2016 as part of a business plan, it was recently updated and renamed Blockstream Green, maintaining its initial guarantees, such as multi-signature security (multisig) and two-factor authentication. and incorporating other features such as transaction cost control with SegWit support and some improvements for android users.