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Questions tagged [mycelium-wallet]

Mycelium Bitcoin Wallet for Android is a simple open source client. It gives you full control over your money, but relies on centralized validation.

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16 views

My app doesn't work after an update [closed]

My app doesn't work, it seems all white and doesn't show anything. It doesn't let me do anything and I'm so worry because I have a few bitcoins in my wallet. What should I do to solve my situation?. I ...
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1answer
124 views

Can you retrieve funds send to a legacy address created with a Segwit extended private key imported in Mycelium from a Ledger Nano S?

I imported a segwit xpub6-key in Mycelium as a watch only address. It only shows address starting with 1 instead of 3, which makes sense. I retrieved a small amount on the legacy address and it shows ...
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2answers
647 views

How to generate public and private key pairs from the 12 seed words in python

I basically followed the instructions here How to generate mycelium addresses from the 12 words in python So my code is similar: from bip32utils import BIP32Key from bip32utils import BIP32_HARDEN ...
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0answers
27 views

Moving wallet without the funds

I've been trying to recover an old ninki wallet to mycelium by using the 12 words. The new walled is being created successfully but I see no funds. I tried to run the ninki-recover script with no ...
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1answer
366 views

Retrieve private key for watch only address

When sending bitcoin for an ico the mycelium wallet automatically generated a watch only address and sent the btc from there. I need the private key for this watch only address to access my tokens. Is ...
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1answer
81 views

mnemonic pass phrase generation in wallets / hardware wallets - security flaw?

Wouldn't it be saver to generate a mnemonic passphrase manually by just taking random words from a lookup table? My thoughts: a wallet creator can can accidentally or on purpose use deterministic ...
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1answer
108 views

Is the Mycelium HD wallet private key stored encrypted on the device?

haven't found details on that in the net. My concern is that I'm using a corporate (bring you own device) phone. We have to install a "security" app running with administrator rights. IMHO this app ...
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1answer
256 views

Can legacy wallets with 1xxx addresses send to segwit 3xxx and bc1xxx addresses like mycellium that only does 1xxx addresses?

I have mycellium for android and currently they dont support any segwit addresses that has 3xxx or bc1xxx. Can I send out from my mycellium 1xxx address to my segwit 3xxx or bc1xxx address that I ...
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0answers
56 views

How and where does Android mycellium stores private and public keys

I was looking through source code of mycellium android wallet and I couldn't find where it creates and stores the private & public keys. Could someone pinpoint me where it is done in the code or ...
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2answers
198 views

Removed transaction

I have this transaction I made some days ago (8) and it wasn't processed by the miners and it was unconfirmed (for very low fee). Today I made a quick check and it looks like REMOVED / EXPIRED. What ...
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1answer
271 views

Where to get a `BIP32 test pubkey`

I would like to create a gateway on MyCelium.com. This is for my testing, so I want to test it out first. But I struggle in getting a BIP32 test pubkey. There is no documentation on MyCelium.com, ...
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0answers
13 views

Bitcoin Cash in a link with no Bitcoin [duplicate]

I sent all of my Bitcoins from one of my Mycelium account to a Trezor address. I can see that the Bitcoin Cash is still in that address, but how do I get it? I have 2 accounts in the Mycelium wallet. ...
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2answers
625 views

Wallet passphrase uniqueness (noob question)

The Mycelium Wallet has created a Bitcoin wallet for me, then I've written down a 12-word passphrase for the wallet backup. However it looks like a set of words (in the Mycelium) to generate these ...
2
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1answer
389 views

After receiving bitcoin, they were sent to an unknown address 16 minutes later

I received BTC payment from my friend by qr code scaning on date 31st July (1 day before 1st August HF). https://www.blocktrail.com/BTC/tx/...
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1answer
87 views

how does bitcoind functions in bitcoin exchange model?

i mean exchange allows every users a unique BTC deposit address different users sends btc to different addresses but BTC endsup in same wallet can i create multiple receiving address by bitcoind (...
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1answer
819 views

Why is this 12-word mnemonic deemed invalid by multiple wallets?

I have a 12-word mnemonic from a Blockchain.info wallet created in May 2013. But now the Blockchain recovery page[1] tells me this is an invalid seed. I'm sure this is not user error, since the ...
7
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1answer
494 views

If a single private key of the HD bitcoin account is compromised, is the whole HD account compromised?

The subject pretty much asks it all. I asked the same question on the Mycelium web site but did not get an answer. An HD account can have multiple private keys. Suppose one of the previous private ...
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1answer
330 views

Verify Mycelium still has private key for spent address

I just realized that when I sent BTC from Mycelium, it split the value from a source address into two target addresses, but the BCH of course stayed at the original address. I'm concerned that I can't ...
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2answers
315 views

What is the cheapest way to acquire bitcoins? [closed]

What is the cheapest and easiest way to acquire bitcoin for a beginner? I bought bitcoin from an ATM and had to pay 10% premium. I downloaded a mycelium wallet on my iPhone and I noticed that the ...
2
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1answer
1k views

How to generate mycelium addresses from the 12 words in python

I am trying to re-generate the receiving addresses (and change addresses, for that matter) my mycelium wallet has generated. So far I've used trezor's implementation of BIP39 to generate the entropy ...
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1answer
696 views

bech32 addresses for segwit support in mycellium and coinomi?

Does mycellium and coinomi for android support bech32 addresses for segwit? If they don't would it throw an error if you tried to send it there?
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1answer
135 views

What can I do if I suspect that my Mycelium word list backup has been compromised?

When creating a backup with the Mycelium app, it gives me a list of 12 words which are used as some form of seed which I am supposed to write down and store in a safe place. Anyone with access to this ...
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1answer
4k views

BTC on Mycelium to Bitcoin Gold?

I have some BTC on my Mycelium (Android) wallet and I was wondering if it's possible to now access (hopefully) my Bitcoin Gold. It seems I can't get the normal private keys off of Mycelium, but I have ...
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2answers
1k views

How do I move my bitcoin from mycelium to another wallet?

I'd like to do this in a fee-less way. This is the first step in claiming my BCH. I've tried using this link https://steemit.com/btc/@libert/step-by-step-guide-on-claiming-bitcoincash-from-...
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2answers
171 views

Which wallets support spending partial amounts of btc from a cold storage address?

Which wallets let you spend partial amounts from your btc address from a cold storage address without the need to import / sweeping it? I know mycellium has the feature, but I'd like to know if there ...
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0answers
188 views

Can't see my BitcoinCash

I had a few BTC in Mycelium pre-August 1st. And yesterday I thought of claiming my bch off of that wallet. I went through the electron-cash method, importing my keys and claiming them. However, It ...
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0answers
111 views

How return transaction hash from wallet to android app after payment?

Scenario: I have my android app where customers can pay by bitcoins. For this I created intent with uri like: bitcoin:[address]?amount=.. and using startActivityForResult it opens wallet with ...
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1answer
227 views

Mycelium Backup Restore

Is there a way I can restore my mycelium Bitcoin wallet if I have forgotten the 12-word list? I have searched everywhere and no one describes a situation like this.
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4answers
11k views

How do i get my Bitcoin Cash from Mycelium wallet?

I kept my BTC in a mycelium wallet and am looking for a way to get BCH out of it. I need instructions on how it's possible, please.
7
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2answers
8k views

How to sweep private extended key from mycellium for bitcoin cash coins?

I have my coins stored in mycellium, but when I try to export my private key I get a private extended key. How can I import this into coinomi android wallet? I see there is a sweep option in conomi, ...
0
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1answer
1k views

Tools for converting recovery phrase?

I have a wallet on Breadwallet which I wish to move to Mycelium. Both apps support recovery phrases, however Breadwallet uses BIP39 phrases, while Mycelium uses BIP44 phrases. Is it possible to ...
6
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1answer
1k views

How can I unstuck a transaction sent from Mycelium?

My transaction has been unconfirmed for more than a week. I had a normal transaction fee (not low). The amount of the transaction was not small >0.5btc. The inputs were not unconfirmed outputs. The ...
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1answer
1k views

Mycelium: Restore backup from Android to iOS

I used Mycelium wallet on Android quite a while ago. I created a printed backup which consists of a 15-character password and two QR codes: The bitcoin address and the encrypted private key. ...
2
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1answer
99 views

Are there wallets that provide access to different HD wallets from the same masterseed using different passphrases?

I have a well-protected masterseed that I have not memorized, and memorizing it won't help since it could already be compromised. My solution is to use a clever passphrase on top of that masterseed. ...
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2answers
867 views

Setting up a multi-signature Bitcoin address with Mycelium

I currently have a shared account with my dad with just a cloned copy of the private key and I would like to setup a multi-signature account with him. I'm trying to do this with Mycelium, but I can't ...
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3answers
2k views

Is it important to have an unencrypted backup of the private key?

Am I correct that in not having our private keys written in paper or otherwise backed up we are implicitly trusting the wallet developers to keep publishing wallet versions that are capable of reading ...
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2answers
4k views

Where is the Mycelium wallet file stored?

I have a fairly straightforward question that's still unanswered after googling for days for a definite answer, I hope you guys can help me out with this one here. Background: I have Mycelium Bitcoin ...