Both `block_log` files updated periodically, as of March 2021 uncompressed `block_log` file size ~350 GB. (Docker container on `stable` branch of Hive source code has option to use `USE_PUBLIC_BLOCKLOG=1` to download latest block log and start Hive node with replay.)
If either of the values for the user or author does not exist the proper error result will be displayed on the UI. The result is also displayed in the console in order for the user to confirm that a block transaction has taken place. The status of the operation can be verified on the [demo account](http://127.0.0.1:8080/@cdemo/followed).
If either of the values for the user or author does not exist the proper error result will be displayed on the UI. The result is also displayed in the console in order for the user to confirm that a block transaction has taken place. The status of the operation can be verified as follows (assuming local testnet):