Solana is an emerging high-performance, permissionless blockchain that offers fast, cheap, and scalable transactions and supports smart contracts being built with the Rust, C++, and C programming languages. One of the primary differentiators of the Solana network is its Proof of History (PoH) verification mechanism. Without getting overly technical, the most notable improvement offered by this is parallel processing of transactions. This is part of the explanation why the number of transactions per second (TPS) looks like this (source):