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