Blockstream Green is a highly reliable, non-custodial, open-source bitcoin wallet. It provides hardware integration support for Ledger, Trezor and Blockstream Jade. Once connected, you are provided with Blockstream Green’s wallet management suite, which includes multi-signature security, single sig support, fee control, privacy optimization and various other features.
Blockstream provides a Lightning Network node called Greenlight. Greenlight is designed to provide low fees while users retain full control over their funds. The well-guided set up for Greenlight is ideal for developers wanting to build an all-accommodating Lightning app without the complicated tasks of having to research hosting providers or operating systems.
For further ease of use, Blockstream uses a sidechain-based settlement network called The Liquid Network. The Liquid Network is a Bitcoin layer-2 solution allowing for larger and faster movement of funds and Blockstream Green ensures to provide a Liquid wallet to accommodate the network.

Blockstream Green has very good security aspects and is recommended to the more experienced Bitcoin traders due to its advanced features. In terms of usability, users seem to have an overall positive experience and enjoy the user interface and its functionalities. In respects to privacy, no personal information is obtained and there is no KYC request when sending or receiving funds. Users also appreciate that Blockstream Green is an open-source software with a strong focus on both transparency and security.