How to represent unconfirmed state?

1. What is an unconfirmed transaction?
2. How do I confirm an unconfirmed transaction on blockchain?
3. What happens if blockchain is unconfirmed?
4. Where are unconfirmed transactions stored?

What is an unconfirmed transaction?

An unconfirmed transaction status means that the network of miners or validators hasn't completely examined the transaction in full, to determine that there aren't any pending transactions involving the same cryptocurrency being used.

How do I confirm an unconfirmed transaction on blockchain?

Reversing Your Unconfirmed Bitcoin Transactions

As a public blockchain, it's very easy to track your bitcoin transaction. Simply enter your transaction ID and track it through the block explorer. Remember that transactions need a minimum of three confirmations before they are fully confirmed.

What happens if blockchain is unconfirmed?

Yes, unconfirmed BTC transactions can be canceled if the blockchain does not approve a Bitcoin transaction within 24 hours. It is considered unconfirmed until at least three miners do not confirm every transaction via the mining process. If you don't get a confirmation within this time, you can cancel your transaction.

Where are unconfirmed transactions stored?

Unconfirmed transactions are stored by nodes in memory pools. A transaction is confirmed when miners include it in a block.