User FAQs

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User FAQs

What does the "in" or "out" label mean on a transaction?

This label appears next to a transaction to signify whether a transaction was sent or received by a particular address.

• In: A transaction was sent to the address

• Out: A transaction was initiated from the address

What is CSV export error 504?

If you request too much data at the same time you may receive a timeout. Decreasing the period of time for an export (1 week timeframe is recommended for addresses with lots of transactions) can reduce these errors.

How can I access and read/write contract methods?

Yes! The contract should be verified (or the bytecode matches an existing contract) to enable reading and writing to contracts and proxy contracts. More info here.

How do I verify a smart contract?

There are multiple methods including options from the Quaiscan UI as well as an integration directly with Hardhat.

Quaiscan UI:

• Via flattened source code (Solidity)

• Via standard JSON input

Hardhat:

• Hardhat Verification Plugin