Lumi

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FAQ

Before submitting a support request please carefully read these existing answers on frequently asked questions.

Features

  • • Send and receive Bitcoins and Ethereum
  • • Recover your wallet by importing a 12-word backup phrase
  • • Show the value of your current funds in both USD and BTC/ETH
  • • Show details of all of your ingoing/outgoing transactions
  • • Show BTC and ETH market price graph
  • • Use your device's camera to scan addresses in QR code
  • • Protect your funds with PIN or Touch/Face ID
Currently Lumi wallet is available only on iOS and Android mobile devices. Web version is coming soon.

If you tap to one of the transactions you can see:

  • • The amount sent or received both in BTC and USD
  • • Fees associated with the transaction
  • • Date and time of the transaction
  • • Confirmation status
  • • Send and receive address
  • • Transaction hash
  • • Link to your transaction on Blockchain.info or Etherscan.io
No, Lumi is not open source yet because it takes time. At the moment, all our forces are aimed at pumping up the wallet features but later we will release a part of the source code.

Yes, Lumi is an HD (or "hierarchical deterministic") wallet. That means a new, unique address will be generated every time you send or receive funds, which makes your transactions harder to track, keeping your financial business yours. There’s no need to back up each address separately, all of them can always be restored using your wallet’s 12-word mnemonic phrase. All addresses generated from the same wallet can be used to receive funds, and all funds sent to any of these addresses will show up in your balance. The balance you see on your main wallet screens represent the total sum between those addresses.

The previous version Lumi Lite is not HD. While that's simpler, address reuse undermines your privacy. We recommend you to use Lumi HD.

Getting started

In order to receive coins from any other address you should provide your public address to the sender. To do so, you need to tap the “receive” button.

There you will see a QR code which you can show to the sender if they have a QR scanner. Otherwise you can copy the address by tapping on it. You also can tap “share” to send your public address via other applications such as “Mail”, “WhatsApp”, and others.

You also can specify the exact amount that you want to receive by clicking “Add Amount” but it works only with a QR scanner.

To send BTC or ETH you can either directly open the QR code scanner or tap “Send” and paste an address where you would like to send your bitcoins. Pay a lot of attention to the correctness of the receiving address and never type it manually due to the high risk of making a mistake! Always double-check the address you are going to send bitcoins to because in case you send coins to the wrong address you will not be able to cancel the transaction or request a refund.

Then you click “Next”. You will arrive at the screen where you can specify the amount you would like to send. You can type the amount either in BTC/ETH or in USD (it will calculate the amount in BTC/ETH based on the current exchange rate).

The transaction fee is calculated automatically or you can customize it manually. We suggest that you select the recommended fee amount, as it is balanced by speed and cost.

At the first launch of the Lumi application you will be obliged to set a PIN code. We do so in order to protect your funds. We do not require any other registration, and the PIN code is the only way to protect your wallet from any unwelcome quests.

If you would like to change your PIN code you need to go to the sidebar and select “Change PIN”. Then you enter your current PIN and after the new PIN twice.

Yes, you can. You should switch on Touch/Face ID in sidebar.

Yes, you can. You should switch on Touch/Face ID in sidebar.

Security and Backup

Go to the sidebar Backup wallet. You will see 12 words one by one. Write a copy of each of these words carefully. Then you will be required to retype all 12 words in order to check the correctness of your backup. Store your copy of these 12 words (mnemonic) in a very safe and secure place and never give it to anyone you don’t want to have access to your funds.

Never switch your wallet without having a Backup. The only way to get access to your funds is with your 12-word Backup Phrase.

If you did not import your Lumi wallet on any other device and you did not save a copy of your Backup Phrase, you have lost access to your wallet. This is why we prompt you to back up your wallet.
If you know your Backup Phrase, you can delete Lumi application and download it again. Than in newly downloaded app you import your mnemonic and create new PIN code. If you haven’t written down your 12-word mnemonic, unfortunately, you lose an access to your funds.

We ask that you write down your 12-word Backup Phrase in the exact sequence before you exit your wallet as your funds and private key are tied to your unique Backup Phrase. Your 12-word Backup Phrase allows you to restore your wallet and regain access to your funds at any time on any device that supports Lumi wallet. After switching the wallet, you will not have any other way to access your funds except the 12-word backup phrase.

In the unlikely event that Lumi, as a company, is no longer around, you may also use your 12-word phrase to transfer your existing funds in Lumi to a similar wallet service that utilizes the mnemonic system and has the same derivation path.

Right now, we do not show private keys in the application. But you can always use your mnemonic phrase that can be used to recover your wallet.

General questions

Lumi Lite is a previous version of our wallet. It is not HD. We could not release Lumi as a next version of Lumi Lite due to different wallet structure. In order not to make trouble to those who already used Lumi Lite we launched a separate application. We recommend Lumi Lite users to use our new Lumi application as it is even more private and secure because it generates new addresses each time you receive or send funds, it is harder to track your transactions, keeping your financial business yours.
Lumi Lite version doesn’t support BIP-32 and BIP-44, that is why you cannot import your Lumi Lite mnemonic to Lumi. We advise you simply download new Lumi HD version and transfer your funds to newly created HD wallet.
There is no need for any personal information such as names, emails, and phone numbers due to the fact that we do not keep any users’ information, including their private keys. The only thing you must know is you 12 words Backup Phrase. We never know them because they are created locally on your device and never sent outside of it. The Backup Phrase allows you to restore your wallet on any other device at any time. Even if Lumi, as a company, doesn’t exist you will be able to restore your wallet in any other wallet based on the same technology.

It is a wallet for ERC-721 tokens such as Cryptokitties, CryptoAlpaca, Cryptocelebrities and thousands more. This wallet is going to solve the problem of collectibles storage. Now most collectibles are held in Metamask. It has only a web interface. Lumi is going to present smoothly designed digital app for such collectibles. For now you can leave your email and stay tuned the news.

It is an app created by Lumi Technologies. It is an opportunity to store and send different collectibles inside a digital wallet. You can store all the collectibles presented on our website.

Fees and transactions

Every time you send transaction in Bitcoin or Ethereum network you need to pay the network fee. This fee goes to bitcoin miners who confirm your transaction.

The size of the fee depends on the transaction difficulty and network load. If there are a lot of transactions at a particular moment in time, miners take first more expensive transactions and cheaper ones goes to the further blocks.

Therefore, higher fees guarantee faster confirmation.

Lumi wallet provides you 4 options to choose from:

  • 1) Regular – takes about 2-24 hours, the amount depends on network current loading. It may vary from 40 satoshi to 250 satoshi per byte approximately.
  • 2) Fast - it might be expensive but you will get confirmations within an hour, costs depend on real-time network load.
  • 3) Cheap but takes time - 20 satoshi per byte, that is close to minimum but we do not advise you to use it because it may take days or weeks to be confirmed or it may be even rejected by the network.
  • 4) Custom amount - you can input the whole amount of fee in satoshi. We do not recommend you to do it if you are beginner but for advanced users it might be very useful.

Lumi is a client-side wallet and if your transaction was sent to blockchain and you see it on block explorers it means that it is waiting for a confirmation and cannot be cancelled. How long a transaction can be pending?

Different transactions require different amounts of time. It depends on a fee. The higher fee the higher speed of transaction confirmation.

If there is a token you would like to see supported in Lumi please do vote in comments on twitter or mediumfor token you would like to see in Lumi. We are happy to hear your feedback and wishes.

Questions on WEB Interface

A Wallet ID is a string of letters and numbers. Wallet ID is the one way to enter your wallet. We send you your wallet ID when you sign up new wallet. We recommend you keep it secure.
You can have two or even more wallets inside Lumi. However, you should register all of them on one email address.
You can import your existing wallet if it meets the BIP 44 derivation standard. For example you can import your Jaxx or Blockchain.info wallet. Tap “Import a wallet” and enter your mnemonic phrase to enter your existing wallet in Lumi.
You should use your password that you created when you signed up
In case you forgot your password you can login with your mnemonic phrase. Tap the link “login with your mnemonic phrase” and fill the gaps in right order.
There are several reason of such problem. 1. You have already registered with this email address. In this case try to enter your existing account with your wallet ID was sent at your email. 2. The password you create is easy. Remember it should contain symbols, numbers and capital letters.
There are several reasons of such problem. 1. You forgot your password and try to enter the wrong one. Recover your account with your mnemonic phrase. And then change the password. 2. You try to log in with your email address instead of Wallet ID. Enter your correct Wallet ID you receive when registering.
Please, check whether you write down all words in right order. Mind the numbers in each line.
Just tap “Receive” and you will get your QR-code to receive coins. Or copy your address to send it to a sender.
Tap “Send” and enter receiver wallet address. Then choose the amount you want to send in BTC or USD. Next step is adding a fee. Choose between recommended amounts. Then check all the details and press “Confirm”. Pay attention! Cryptocurrency transactions cannot be canceled or taken back. Double check for accuracy before confirming!
You can see all your transactions and details about them in tab “Activity”.
  • 1) You can log in your account only with your Wallet ID sent at your email.
  • 2) You get notification at your email each time you log in.
  • 3) You can set up a 2-step verification.
  • 3) Backup helps you to enter an account if you forget your wallet ID.

If you want to change your email or password you can go to settings and choose option “Change email” or “Change password”. Then enter a new one and press “Confirm”.

In order to delete your account you need to write your request to our support. The we will consider it.

The reason is the discrepancy of derivation standard. Beware that your imported mnemonic will open your wallet correctly if it meets the BIP 44 derivation standard.

Questions on Exchange

You can exchange all the tokens and coins supported both by Lumi and Changelly.

You can do it in just three steps. Choose the coin or token you want to exchange from. Then choose the coin or token you want to exchange to. Enter the necessary amount and check all the details and tap “Confirm”. Then wait when outgoing transaction will have 3 or more confirmation. After these confirmations you will get you exchanged funds.

Lumi charges only 1% to exchange your funds.