Wallets hold access, not coins
A crypto wallet stores the keys that authorize actions for your addresses. The assets and activity actually live on blockchain networks, while the wallet helps you view balances and sign transactions. This is why backing up your recovery phrase matters more than backing up the app itself: the phrase is what proves ownership of your funds.
Addresses and networks matter
An asset can exist on one network while a similar-looking address or token name appears on another. Ethereum, Solana, and Bitcoin each use different address formats and cannot receive each other's native assets directly. Always check the chain, asset, recipient, fee, and approval screen before sending or signing anything.
Gas fees and confirmations
Most networks charge a small fee, often called gas, to process a transaction. Fees rise when a network is busy and fall when it is quiet. After you submit a transaction it enters a pending state until validators confirm it. Once confirmed, the action is usually permanent.
Transactions are public and final
Most blockchain transactions can be viewed on public explorers using the transaction hash, and they usually cannot be undone after confirmation. Keep transaction hashes for support and never rush an approval because someone is pressuring you to act quickly.