Hey Andreas. Are you saying that instead of downloading the SPV client
every time a user enters a new wallet you can just ask an online block
explorer? Would that be faster, and is there any examples on how to
implement this (I don't think one exists in the documentation, sadly)
On Friday,
After importing a previously unknown key, you need to rescan the whole
blockchain for any UTXOs that might be relevant. Only after that is
finished you can prepare and sign a spending transaction. That's the
decentralized way to do it.
Alternatively, you could query an external service like a
