Reading a Solana base fee on any explorer | Core Flow Point Guides
A step-by-step method for locating the base fee line item in a confirmed transaction, without guessing from the balance change alone.
Guides
Field notes from the learning library
Practical articles for people who send SOL and want to understand what they see in an explorer.
When a priority fee makes sense for a simple transfer | Core Flow Point Guides
Not every SOL payment needs a priority fee. Here is a plain-language decision guide based on timing, amount, and recent slot congestion.
Why "insufficient funds for fee" appears on a funded wallet | Core Flow Point Guides
The error message refers to available lamports for fees and rent, not your headline SOL balance. Common causes and how to read the log.
Confirmation levels explained for everyday SOL payments | Core Flow Point Guides
Processed, confirmed, and finalised mean different things on Solana. Here is when each level is appropriate for personal and small-business use.