- Display the block numbers of the latest blocks
- Identify who built a block (including locally built blocks)
- Display gas price of most recent blocks
- Display gas limit of most recent blocks
- Store block headers to a local SQLite database on disk
- Store block headers to a local SQLite database in memory
- Operate headlessly
- Plot gas usage of most recent blocks as a barchart
- Connect to an Ethereum EL node via Websockets
- Connect to an Ethereum EL node via IPC (i.e., Unix sockets)
- Open a block on Etherscan in the default system web browser
- Open a transaction on Etherscan in the default system web browser
- Display details of a particular block
- Display details of a particular transaction
- Write information about the state of the index to standard output