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Is it possible to create a wallet service, which doesn't have all the blockchain downloaded?

Yes, simply because the network is designed that you can broadcast transactions to it by signing it with your private key on your machine. You only need to find the API service that exposes endpoints ...
CryptoDude's user avatar
1 vote

Which index in Bitcoin Core is useful for self-custody wallets?

None of the indexes are necessary for wallet operations.
Antoine Poinsot's user avatar
1 vote

RPC Batch call abruptly stopped working

Ok, so after some very painful debugging, I've figured out the problem. I don't quite understand why but I've resolved it for now. There's an upper limit to the number of rpc batch requests you can ...
user2880722's user avatar
0 votes

How to update Bitcoin Core if compiled from source?

edit: I misread question but here are instructions to upgrade Bitcoin Core using the binaries on bitcoincore.org. You'll need to shut down bitcoind first. New Bitcoin Core versions are announced on ...
Michael Folkson's user avatar

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