Spark is a web-based GUI wallet with built-in Electrum software designed for speed, safety and simplicity that utilizes Blockstream’s Lightning implementation c-lightning as its backend. The platform allows for easy spending and receiving of bitcoins over the Lightning Network, which is renowned for its payment speeds. Users can also run their own Bitcoin-based nodes, c-lightning nodes and Spark GUIs in a completely trustless environment.
Independent developer Nadav Ivgi is the developer behind the project. Also an ambassador at the Tel Aviv Bitcoin Embassy and the founder of Bitrated, a company that seeks to bring stronger consumer protection to blockchain applications, Ivgi developed Spark through a sponsorship from blockchain development company Blockstream.