What is Ninja Optimized Fee?

To do any transaction like minting/creating a stamp, buying, sending, airdropping, etc.. You need to pay some miner fee.

As you can see, NinjaWallet is transparent concerning the used fee during a transaction. By default, selected fee are Ninja Optimized Fee.

Ninja Optimized Fee is a formula using minimum between [mempool hourFee + 0.5] and [mempool fastest fee] per vB giving 10-30mn mint most of the time.

TIPS: You can verify the current fee on https://mempool.space or directly in the Fee sat/vB dropdown list in the wallet.

Try to mint when fee are low, you'll save a lot of money.