# Dealing with blockchain transactions

TEOS Platform uses Ethereum blockchain technology. Blockchain requires a transaction to be created and signed to write data to its network. Check out how [transaction ](https://teos-docs.coreledger.net/resources/using-the-teos-api/concepts/transaction)is defined in TEOS API.

To create and submit transactions you should check following pages:

* [how to get Ether necessary for paying gas costs to sign transactions](https://teos-docs.coreledger.net/resources/dealing-with-blockchain-transactions/how-to-get-ether-for-signing-transactions)
* [how to create and submit first signed transactions for newly registered address](https://teos-docs.coreledger.net/resources/dealing-with-blockchain-transactions/transaction-creation-and-submission/first-transaction-creation-and-submission-for-a-new-address-on-the-private-blockchain)
* [general flow for transaction creation and submission](https://teos-docs.coreledger.net/resources/dealing-with-blockchain-transactions/transaction-creation-and-submission)