raspiblitz VS bitcoinbook

All you need to do is to flash the image onto your SD card after you’ve verified its keys and migrate your data from Umbrel after you’ve made a backup.

Learn about the Lightning network and look into setting up a node. https://github.com/rootzoll/raspiblitz

I’m checking out Specter Desktop in my Raspiblitz Lightning node for BTC. The node runs Core as well, but the UI is much nicer in Specter, which is for Multi Sig transactions using any hardware wallet. Doesn’t help with any other coin, though. First Pi project ever, and it’s for science… BTC isn’t my favorite crypto, but it deserves respect. I need to see for myself the scaling possibilities of Lightning first hand. You earn small fees for routing so it should at least break even on power. https://github.com/rootzoll/raspiblitz

"Mastering Bitcoin" by Andreas M. Antonopoulos: The printed version is not free, the complete text is available on GitHub. It's an excellent resource for understanding Bitcoin from a technical perspective.

The target is stored in the block header. You can see it in any block explorer labeled BITS or nBits. It is stored in a compressed format, as described in Mastering Bitcoin https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch10.asciidoc Scroll down to "Target Representation"

Mastering Bitcoin is a free book - https://github.com/bitcoinbook/bitcoinbook

I also highly recommend that you Read this book "Mastering bitcoin", its free and open source: https://github.com/bitcoinbook/bitcoinbook

You should read this chapter - it kinda explains why the chip need to be able to manipulate and access the private key. It works exactly the same way for every hardware wallet.