# Transactions

## Ethereum gas fees: Understanding the cost of ETH transactions
by [Team Casa](https://blog.casa.io/author/teamcasa/) 3 years ago  
[Ethereum](https://blog.casa.io/tag/ethereum/)

## How bitcoin transactions work: Addresses, UTXOs, and more
by [John Tinkelenberg](https://blog.casa.io/author/john-tinkelenberg/) 3 years ago  
[Bitcoin](https://blog.casa.io/tag/bitcoin/)