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I have some old wallets from multibit era (~2013). There is no way I can now download the full blockchain, so I need to import these keys into somewhere. Worse still, I also need to import the same keys for BCC and BTG.
Try as I might, I can't seem to find clients that allow me to import old base58 keys. I have a few files called something.key which came from multibit and are human readable with the private key in. Everything seems to be "mobile" and "QR codes", "passphrases" and whatnot.
It's not a lot of money, and fragmented over multiple wallets, so with transaction costs stupidly high now, sweeping is infeasible.
How can I spend these old coins? Is the only way to free up 150GB and wait?
Edit: Ultimately I just want to create a transaction from all these wallets, to send the coins to an exchange. So sweeping to a new wallet just doubles all my transaction costs for no reason. Also I need a way to repeat the process for Bitcoin Cash and Gold...
Is there no simple tool to just "create" a transaction?
Possible duplicate of Can I sell my BTC and still claim my BCH?
– 4276 – 2017-12-29T16:33:31.637Your ultimate desire I don't think exists. I did this exact thing a month ago. The fees sucked a lot, but it is what it is. – 4276 – 2017-12-29T16:35:15.950
@fredsbend well at the very least i know a can do an import if i run a full node of each coin, so I'd rather do that for btc than pay the fee! – Corone – 2017-12-29T16:39:32.807
How big a transaction are we talking here? BTG and BCH are negligible. BTC is really only bad if it's a small amount with tons of inputs. Then, how much time will it take you to set up a full node for each? All to save $50? My fees were about $170, but it was still worth it to me. – 4276 – 2017-12-29T17:13:12.653
1@fredsbend yeah i would only do it fot btc. Its only about 0.05 Btc but over a handful of different addresses so it will soon add up. And it's the principle dammit! :) – Corone – 2017-12-29T17:15:39.717