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 essential for proof-of-stake and delegated proof-of-stake blockchain ecosystems, including Ethereum, Cosmos, Kava, Akash, and Avalanche. The company offers Builder+, an Ethereum block-building operation that uses algorithms to assemble high-value blocks by prioritizing transactions with the highest gas fees while minimizing validator payments. NodeOps provides staking-as-a-service, enabling third-party delegations to BTCS nodes for transaction validation and block proposals, generating native token rewards. Additionally, BTCS delivers ChainQ, an AI-powered blockchain data and analytics platform, along with custody and key storage products. These services support scalable revenue through crypto asset staking and network participation, positioning BTCS as a key player in advancing blockchain infrastructure. Founded in 2013 and headquartered in Silver Spring, Maryland, BTCS Inc. focuses on Ethereum accumulation and innovative operations in the blockchain sector.