Galaxy Research warns of sustainability issues for Bitcoin layer-2 rollups A Galaxy Research report has suggested that most Bitcoin layer-2 scaling networks, particularly “rollups,” may not be sustainable in the long term despite their popularity as a promising method to keep Bitcoin payments cheap, fast and decentralized. https://image.nostr.build/bf2302cfc7af7dd974d5564079ba7fa0deea164204bcee0170af87da9c913b47.jpg