Ruby (programming language) Meaning
Ruby is a high-level, interpreted programming language known for its simplicity and productivity. While not a Native blockchain language like Solidity or Rust, Ruby is widely used in the fintech industry for building the backend Rails of exchanges, wallets, and payment gateways.
Its philosophy, Matz is nice and so we are nice (MINASWAN), emphasizes human-readable code and developer happiness.The Ruby on Rails framework became the gold standard for rapid startup development. Many of the first Bitcoin exchanges and block explorers were built using Ruby because of its powerful Gems (libraries) that allowed developers to easily integrate with Bitcoin Core via RPC calls.
Ruby is excellent for Glue Code-the systems that connect a user's web browser to the secure, low-level cryptographic operations happening on a server.However, Ruby is rarely used for writing smart contracts or high-frequency trading engines because it is slower and more resource-intensive than Compiled languages like C++ or Go.
In modern fintech stacks, Ruby is often used for the Management Layer-handling user authentication, database management, and UI logic-while the performance-critical Matching Engine or Blockchain Node is written in a more performant language, creating a balanced, hybrid architecture.