Tendermint is a company founded in 2014 by computer scientist Jae Kwon. Tendermint is the creator of the Proof-of-Stake (PoS) Tendermint Core Byzantine Fault Tolerant (BFT) consensus mechanism that was initially built for the Cosmos Hub blockchain protocol. Tendermint functions as the gateway to the Cosmos blockchain ecosystem. The company created the Application Blockchain Interface (ABCI), which is designed to enable the replication of dApps written in a wide variety of programming languages. They also built the Inter-Blockchain Communication (IBC) protocol, an interoperability protocol designed to enhance the security of data transfers and value exchanges between different blockchain networks.