Solana is a public, open-source blockchain that aims to deliver scalability and support smart contracts without sacrificing decentralization and security. It accomplishes this through a novel timestamp mechanism called Proof-of-History (PoH). Using PoH, the network can order and batch transactions before they’re processed through a Proof-of-Stake (PoS) mechanism. Additional design goals include sub-second settlement times, low transaction costs, and support for all LLVM-compatible smart contract languages, including Rust, C, C++, and eventually Move.