BTCS Inc., a blockchain technology company, provides blockchain infrastructure services in the United States. The company operates a network of cloud-based validator nodes that perform validation and consensus-related activities. It also offers Builder+, an Ethereum block-building operation that constructs and submits optimized transaction blocks to validators; and Imperium, through which the company deploys digital assets, including ETH and stablecoins, into contract-based protocols. The company was formerly known as Bitcoin Shop, Inc. and changed its name to BTCS Inc. in July 2015. BTCS Inc. was founded in 2013 and is based in Silver Wayne, Pennsylvania.