There's 0.0027
BTC in that address (I assume Virwox took 0.0005
BTC in fee).
- dumpprivkey 3J2tCijTKQLd6jtf3nk8QTtLa73xkVhgfk (didn't encrypt the wallet so I could type that command straight)
- got the private key
- tried to sweep it into electrum
- got error "No inputs found. Note that inputs need to be confirmed".
You're using a SegWit address. The private key is still the same, but you'll need another approach.
The easiest is to follow this
[GUIDE] Importing Electrum Segwit Private Key Into Bitcoin Core (And Vice Versa):
How To Import Segwit WIF from Bitcoin Core to Electrum This one is simple to do.
NB: For this to work you need to be on Electrum version 3.1.1 and aboveFor P2SH-P2WPKH addresses (Addresses starting with "3")Just add
p2wpkh-p2sh: directly in front of your private key.
For example
p2wpkh-p2sh:5BitcoinPrivateKey
This should generate the corresponding p2wpkh-p2sh bitcoin address.