Network fees and transactions are part of every on-chain action, so understanding them helps you avoid surprises when using prediction markets built on a blockchain.
What a Transaction Is
Every transfer or approval is a transaction recorded on the blockchain. Once confirmed, it usually cannot be reversed.
Why Fees Exist
Networks charge fees to process transactions. The amount varies by network and by how busy it is, so check the estimate your wallet shows.
Approvals
Some apps ask you to approve spending of a token. Only approve apps you trust and review what you are allowing.
Worked Example
Before moving 20 stablecoin units, a trader's wallet shows an estimated network fee. They confirm the destination address character by character, send a small test amount first, and only then send the rest.
Key Takeaways
- On-chain transactions are usually final.
- Fees vary by network and demand.
- Review approvals before signing.
- Send a small test when unsure.

