Proto is a division of Block that builds tools aimed at making bitcoin mining accessible and sustainable for anyone, regardless of size or location. As highlighted on the website, Proto frames its work as part of Block’s financial ecosystem and describes its mission as decentralizing bitcoin mining to strengthen the network. Block also supports Spiral, formerly Square Crypto, an initiative focused on funding and building open-source bitcoin projects. On August 15, 2025 it was reported that Proto introduced two new offerings – Proto Rig and Proto Fleet – as part of this effort. Visit the #BlockchainThursday link in our bio to learn more. #Bitcoin #Blockchain #Mining