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https://en.bitcoin.it/wiki/Transferring_coins_from_Bitcoin-Qt_to_Electrum https://en.bitcoin.it/wiki/Transferring_coins_from_Bitcoin-Q...

• yebyen 9y ago
  Yep. > Before reading this page, users should note that directly manipulating ECDSA private keys is dangerous and can result in losing bitcoins[1][2]. Hmm. > Use the dumpprivkey command to get the private key. Repeat for as many bitcoin addresses as have money in them. OK, so how many bitcoin addresses do I have with money in them? examining 3.5 year old wallet.dat, checking Oh, THAT Many? And are you sure that is all of them? (It was quite a lot of addresses, and not sure how I would know if the listing was complete.) So, is there some way to safely automate this? Try it... the command outputs are all in JSON (configurable?), so you most likely won't be solving this with just pipes, awk, and grep. I tried exporting a few private keys this way and they are not exaggerating when they say: > This guide is [not] for the impatient or time-stressed, it is recommended that users of Bitcoin Core simply wait out the blockchain synchronization. There are many benefits to running a Full node including trustlessness, security and privacy which lightweight wallets cannot match. I have to use Bitcoin-Qt to get the keys out, and it does not appear to be fool-proof at all. Might as well just sync the whole blockchain then.