The Mental Model Reset: Understanding Solana Transactions as Cryptographic Authorizations

Solana transactions fundamentally differ from Web2 API calls—they are cryptographically signed authorization statements processed by a decentralized network rather than requests to a trusted server. This distinction is crucial for developers transitioning from traditional backend development, as it affects how transactions are constructed, verified through multiple consensus stages, and confirmed by validators. Understanding this paradigm shift is essential for building secure and efficient blockchain applications.