Glossary
On-chain
Also written or said as: onchain, on chain, off-chain
Recorded on the blockchain, where anyone can check it.
Every buy, sell, transfer and wallet balance on Solana is on-chain and public for good. That is how you can see what a dev did or whether a KOL really bought. What people say on X or Telegram is off-chain, and on-chain data is how you check it.
Related words
This guide is for learning. It is not financial advice. Most memecoins go to zero and most people who trade them lose money. Only ever trade what you can afford to lose.