The primary objective of Solana software is to allow scaling the transaction throughput proportionally to the network bandwidth. The idea is to match all the three requirements of a blockchain: scalability, security, and decentralization. 

You've probably heard this statistic already. Nine in ten startups fail. But did you know that one in five products never meet customer needs and end up failing too? 

Solidity is an object-oriented, high-level programming language designed to target the Ethereum Virtual Machine (EVM). It manages the behavior of accounts within the Ethereum state. This makes Solidity a good technology choice for implementing smart contracts. It’s basically a contract-oriented language.