Bitcoin Development - What's the Difference Between Reg Test and Signet?

Josie: My favorite is mempool.space. You can use this to target your fee based on how impatient or how patient you are in getting your transactions confirmed into Bitcoin's blockchain. Test nets kind of one step more complicated than that, where you can join a network that you're interacting with other nodes. Signet and signet actually has like a regular mining function. So you can have blocks get mined. There's also this concept of a good first issue and an issue tracker. And then there's just the general open source expertise known as "Bitcoin knowledge"