Iron Fish Network Upgrade: Transitioning to FishHash

Hero Miners
2 min readMar 26, 2024

Iron Fish will perform a hard fork at block height 503,338 on April 2, 2024 and switch to FishHash algorithm. From this date on, it will use the FishHash algorithm and miners must be used FishHash algorithm.

Preparing Rigel Miner for FishHash

The only miner that is ready for automatic switching is currently Rigel. You can download the latest rigel 1.15.0+ miner from here.

ironfish -> fishhash auto-switch, see this guide on how to set it up

Enable the auto-switch

If you want to be ready for automatic switching before the hard fork date, simply add this flag --enable-fork to your miner and restart.

rigel.exe -a ironfish -o stratum+tcp://de.ironfish.herominers.com:1145 -u YOUR_IRONFISH_WALLET_ADDRESS -w YOUR_WORKER_NAME --enable-fork

If you will be mining Ironfish as of the hard fork date, you can use these settings.

rigel.exe -a fishhash -o stratum+tcp://de.ironfish.herominers.com:1145 -u YOUR_IRONFISH_WALLET_ADDRESS -w YOUR_WORKER_NAME 

Preparing lolminer for FishHash

lolMiner does not support automatic switching to a new algorithm. You can download the latest lolMiner 1.85+ miner from here.

After the hard fork occurs, you need to change the algorithm as follows and restart your miner.

IRONFISH -> FISHHASH

Open mine_ironfish.bat file and copy / paste example below.

lolMiner.exe --algo FISHHASH --pool de.ironfish.herominers.com:1145 --user YOUR_IRONFISH_WALLET_ADDRESS.YOUR_WORKER_NAME

Preparing SRBMiner for FishHash

SRBMiner does not support automatic switching to a new algorithm. You can download the latest SRBMiner-MULTI v2.5.0+ miner from here.

After the hard fork occurs, you need to change the algorithm as follows and restart your miner.

IRONFISH -> FISHHASH

Open start-mining-ironfish.bat file and copy / paste example below.

SRBMiner-MULTI.exe --disable-cpu --algorithm FISHHASH --pool de.ironfish.herominers.com:1145 --wallet YOUR_IRONFISH_WALLET_ADDRESS.YOUR_WORKER_NAME

We will update the list as new miners support automatic switching or add FishHash support

Happy Mining.

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