A blockchain explorer explained in a few sentences:
Records on the blockchain are public. Anyone who knows an address can use a blockchain explorer to view its balance and transaction history.
Screenshots and chat logs can be faked, but data on a blockchain explorer comes directly from the blockchain. To verify whether a transfer actually took place, trust the on-chain record.
If a deposit is taking a long time to arrive, you can first check its status and confirmation count using the transaction hash, then decide whether to contact customer support.
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