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Presently I’ve my very own full bitcoind node operating on a VPS and an LND occasion connecting to it and dealing positive.
Nonetheless I’m pondering, what if I share entry to my bitcoind node to another customers keen to attach their very own LND cases to it? So, ultimately there will likely be impartial LND cases serving for his or her customers however operating on high of a single bitcoind occasion.
Do I’ve a danger of exposing information/balances/transactions between these customers? Do customers have dangers of me taking the management over their wallets?
A Lightning node wants a full Bitcoin node to be safe. If the Bitcoin node is operated by another person, there are some moderately trivial assaults that can be utilized to steal cash from you. For instance, the Bitcoin node operator would possibly open a channel with you and later shut it with an outdated state. Since they management which transactions your Lightning node is aware of about, it’ll by no means be taught of the channel shut and will not broadcast a penalty transaction (until you utilize an exterior watchtower).
Sharing a bitcoind occasion (which presumably does not run a pockets) does not include as massive of a danger, however Bitcoin Core’s RPC interface will not be meant to be uncovered to the web because it does not scale nicely for a number of customers and could be simply overloaded.
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