blixt is apparently a full node on android
No. Blixt is a LN node on your mobile. Full Bitcoin node is something else. When you say "full node" means you download all blockchain locally and use those blocks directly.
You can have also pruned node, Neutrino or Electrum SPV.
Blixt is connecting to a Bitcoin node (your own node or random) through Neutrino, to sync the blocks and from that node. Then yes, you have a full LND node on your mobile, managing private LN channels.
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I have blixit on my iphone. It works but your channels will be zombies when its not open, so i would only open 1 or 2 channels. Also, for the OP, you dont need a 1 TB card. The node will be on your phone, so its not gonna be private unless you are running like GrapheneOS. You might as well just use a public node for the btc node, and blockchain so you dont have to download the chain.
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Also, blixit would connect to your personal node or a public node. It technically cant be a full node, its just running LND.
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Yes, you wouldn't be able to receive a payment when it's offline/powered down.
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But that's only a lightning node. I meant a full fat bitcoin node :).
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