What I Finally Understand About Solana Transactions (After 20 Days of Learning)

When I started #100DaysOfSolana, I didn’t even know what a keypair was. On Day 1 I ran a script, got a random address, and thought “this is my wallet?” It felt too bare. No password, no email, just a string. Then I learned that sending SOL means creating a transaction, and that’s where things got real. A Solana transaction isn’t like a normal API call. In Web2 you hit an endpoint, the server does stuff, and maybe you get a 200 OK. Here, a transaction is a signed bundle of instructions that ch...