Questions tagged [spv]

My understanding is that an SPV wallet downloads "headers only". These headers are not enough to get a UTXO set, so it has to rely on another data source when it comes time to move bitcoin. If thats the case, then why does it even need the headers?

I am wondering how SPV handles the following scenario: A transaction has been confirmed by some block X, and funds address y. At some later block, the transaction's output are spent again SPV node queries the balances of y, the full node peer…

Apart from Client Side filtering, are there any other solutions regarding how to scale light clients? Maybe having centralised services hold the UTXO list, the problem would then be how to anonymise your requests to that the centralised server…