Bitcoin Forum

Today i sent for somone to purchase some bitcoins from a Bitcoin ATM in London, These are the first bitcoins ive purchased, I have the paper printout (Public & private key) and ive created a blockchain account on my Iphone, How do i transfer the bitcoins from the paper wallet to my IOS one?

(on the blockchain ios app, i went to recieve payment, and scanned the code however it says invalid address :/)






(Please excuse any ignorance, im just starting out with the bitcoin lol)

The QR code you are attempting to scan, are you sure it is the Private Key QR and not the address?

Do you know the name of the ATM that you used?

ok in the blockchain app. look for something like "import key" or "paperwallet" then scan your "PRIVATE KEY" not the public key. and it should sweep the funds over to your blockchain account.
btw public address are something you use to receive payments ( if you gave me your public key, i can then send you money). and private keys are used to spend the balance ( if you gave me your private key, i now own all your bitcoin on that wallet). so never send anyone your private key, or give it to a shady third party company. in this case you are giving it to blockchain and they are fairly reputable so you are fine.

yeah i think so, i scanned the bottom half of the print out i got from the atm which says "Load" under the QR and the top half i tried to scan says "Spend" which is what i tried to scan on my blockchain app.

im just worried ive made a mistake or something  :'(

i think the name of the ATM was SatoshiPoint, i have a receipt with the paper wallet which says SATOSHI in bold letter at the top of it.


i looked through the app (on iphone) i cant find where it says anything like paperwallet or import key, is it a thing where i can scan it anytime? for instance if i cant do it now on my blockchain app i can transfer it elsewhere? for example to my coinbase account? (which i havent actually finished setting up, theyre asking for my passport, but its out of date so ive requested for a new one so while i wait for that hopefully i can just have the paper wallet in a secure place?)

Thanks for the info on the public & private keys too, (im never sending anyone to get coins for me again lol now i feel like i was really careless in letting somone else handle the paper wallet with both keys on it, even though its not a vast amount of btc on there and its someone i trust)

Yes, if you scan the "spend" QR code, that should be your private key.
I do not know the SatoshiPoint ATM, so I can not tell you exactly what to do.

Does your receipt have the private key written out under or near the "spend" QR code?
If so, you could potentially type in your private key on blockchain.info, if the QR Code is messed up.

Do you have access to your blockchain.info wallet on a computer?

Do not scan and import your bitcoins into Coinbase or any exchange yet, or until you have them all set up.

It is possible to also import the paper wallet into another wallet program, such as mycelium or etc.
I have not used them, but have heard good things.
Also check out this site to determine the best wallet for you: https://bitcoin.org/en/choose-your-wallet (https://bitcoin.org/en/choose-your-wallet)

It would be preferable to use Mycelium instead of a wallet where you don't truly control your private keys (Blockchain).
@OP How did you generate your paper wallet?

I actually cant remember my Blockchain.info password (and they dont store them so cannot send a reminder or reset) so ive just been using the blockchain app as i still have full access via my passkey etc..
I haven't been stressing over the forgotten password because i only have a few satoshi (maybe about 1000.00 bits) from some faucets in there.

I think maybe ill make a new blockchain account.

Yeah the private key is written underneath the spend QR code, so maybe:

New Blockchain account.

And manually enter the private key? (i was a little worried about it in on the computer too to be honest)

Just a quick question also, what is the smallest amount of bitcoin you can send/receive?



The paper wallet was generated from a Bitcoin ATM machine, im fearing my coins will be lost in cyberspace now, probably at my own ignorance -.- but such is my luck tbh lol

Yes, if you use blockchain.info, make a new account, save the wallet identifier and password,
and any other secondary password or etc prior to transferring your paper wallet to the blockchain.info address.

Unholycactus is correct in that you should use a wallet that is "safer" than blockchain.info wallet.
But if for some reason the QR Code is bad or corrupted, you can attempt to manually enter it in blockchain.info wallet.

(1.) Sign into your blockchain.info wallet.
(2.) Go to Import/Export tab, click "I understand".
(3.) In the "Import Private Key" Section, enter the private key exactly as shown, private keys are case sensitive.
(4.) Click add private key, it will ask whether to import or sweep.
(5.) Choose sweep. Select the blockchain.info address provided, and sweep.
(6.) Your bitcoins on the paper wallet, should now be in your blockchain.info wallet.
(7.) Since you swept, it may take some time to get a confirmation since blockchain.info standard miner fee is 0.0001 satos.
(8.) When you have a confirmation, you should then send these funds to your Mycelium or other reputable wallet of your choice.

As to your question about the lowest amount of bitcoin you can send, it all depends on the wallet program you are using.
With Bitcoin Core, i think the lowest used to be around 550 satoshi, but I think now in version 0.11.1, devs raised it to 2750 satoshi.
But with other wallet programs, everyone is different, I believe blockchain.info has a limit of 0.0001 during spam attacks.

Hi, i followed your instructions but i got stopped after i entered the private key and pressed "sweep", i got a red message saying error getting balance.

Now im really shitting the proverbial bricks  ???

EDIT: Panic over!! lol, i got it, thank you.

The reason i asked about the minimum ammount you can send is because for some reason i cant transfer the satoshi from my old wallet.
But im happy to call that lot a loss since it only account to about 30p lol

It gives me an error message which reads "Error, Non-Canonical Signiture, High S"

I'm glad you were able to get your bitcoins "off the paper wallet".
Now very importantly, you should think about transferring off of blockchain.info, into a more reliable wallet, if you haven't already.

Yes, you should be able to move 30p around easily. After I looked it up online, the "Error, Non-Canonical Signiture, High S",
seems to be related to blockchain.info's upgrading their wallet to prevent transaction malleability attacks.
Even though 30p isn't really alot, if I were you, I would contact them and ask how to transfer the 30p to your new address.

To get around the High S Error, if you remembered you password and identifier for your mobile wallet, and signed in on the computer,
you could get your privatekey out of blockchain.info and attempt to load that into another wallet program,
to see if you could get your 30p out. That might work, but it is just a guess right now.

I tried for about 45mins last night to remember the password to my original blockchain wallet with no luck, and i have noticed i get the same "Error, Non-Canonical Signiture, High S" message even when i try to transfer within the wallet itself to another public key generated by the blockchain app.

I haven't yet transferred them from my new blockchain wallet to another one but im going to do a quick google on the two that you've mentioned.

Im considering buying a trezor wallet in the future, but im growing increasingly worried about the blockchain.info so shall heed your warning.

please don't use blockchain wallet, go with http://breadwallet.com/ for IOS instead..for reasons, check this forum deeply.

QR Code should do the job! :) Just investigate how this works a little deeper. A goole search would clerify all.