Blink FAQ
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  • What is Blink?
  • Creating a Blink Account
    • Where can I download and Install Blink?
    • How to install the APK from GitHub
    • Which countries are unable to download and activate Blink?
    • How do I create an account with Blink?
    • How can I recover my account if I lost my phone number?
    • Where can I find my Lightning address?
    • What information do I need to provide to register to Blink?
    • What should I do if I don't receive an SMS?
    • How do I contact Blink Support team?
    • Is it possible to change the phone number associated with a username after creating a Blink account?
    • Can I change my username after creating my Blink account?
    • Why can't I complete the puzzle to receive SMS?
    • Do I need to complete KYC to create a Blink account?
    • How can I delete my Blink account?
  • Using Blink
    • What will I find on the main screen of my Blink account?
    • Why do I see a balance of 0 when I log in to my account?
    • How do I receive a transaction with Blink?
    • How do I send a transaction with Blink?
    • Which methods can I use to send and receive transactions using Blink
    • How can I add balance to my Blink account?
    • What are Blink's account limits?
    • Upgrading to a level 2 account
    • Upgrading from a Trial account to level 1
    • How do I withdraw my Blink funds?
    • How does the Blink wallet work?
    • Can I pay with a credit or debit card?
    • What options there are if the Blink app is not compatible with my phone?
    • How to obtain a Proof of Payment from Blink?
    • How to convert between BTC and USD (Stablesats)?
    • When do lightning invoices expire?
    • Problems with SMS Login
  • Blink Payment Methods
    • Intraledger
      • What is an intraledger transaction?
      • Are there any fees for transaction between blink users?
      • What information is needed to send or receive Bitcoin between Blink wallets?
    • On-chain
      • What is an on-chain transaction?
      • How can I receive an on-chain transaction with Blink?
      • How can I send an on-chain transaction with Blink?
      • Where can I verify the status of an on-chain transaction?
      • What are the different types of Bitcoin on-chain addresses?
      • Can capitalization affect the validity of a Bitcoin address?
      • What are some common reasons for an on-chain transaction to take a long time to confirm?
    • Lightning
      • What is the Lightning Network?
      • Why does Blink use Lightning as default?
      • How to recognize a Lightning invoice?
      • How do I send bitcoin payments using the Lightning Network with Blink?
      • How do I receive bitcoin payments using the Lightning Network with Blink?
      • What should I do if my Lightning transaction fails while trying to pay someone?
      • What should I do if my Lightning transaction status is pending?
    • Lightning Address and Paycode
      • Can someone steal my money if I give them my Lightning Address?
      • What is a Lightning Address, and what does it look like?
      • Do all wallets support Lightning Addresses?
      • How can I create Lightning Address with Blink?
      • How can I use Lightning Address to send and receive money with Blink?
      • What is the Point of Sale (PoS or Cash Register) in Blink
      • How can I use Blink's Point of Sale feature?
      • What is a Paycode and how can I use it?
  • Stablesats
    • What is Stablesats?
    • How does Stablesats work?
    • How does Stablesats compare to stablecoins and fiat banking integration?
    • Is Stablesats compatible with the traditional banking system?
    • ​​Are there any regulatory requirements for Stablesats?
    • What are the risks associated with Stablesats?
    • What makes Stablesats stand out from stablecoins like Tether and USDC?
    • Is it possible to use physical USD from a bank account to send and receive payments over Lightning?
  • Transaction Fees
    • What are the transaction fees for using Blink wallet?
    • What are mining fees?
    • What determines mining fees?
    • Are there any fees for transactions between two Blink wallets?
    • What are the fees for sending Bitcoin from my Blink wallet to another wallet?
    • Why does Blink have a Lightning - onchain imbalance threshold?
    • What are the fees for receiving Bitcoin in my Blink wallet?
    • What are the fees for converting Bitcoin to or from Stablesats?
  • Buy and Sell Bitcoin
    • Which accounts can buy and sell bitcoin with Blink?
    • How to buy bitcoin with Blink?
    • How to sell bitcoin with Blink?
    • What are the details of Blink's bank account?
    • How to pay Blink from Banco Agricola?
    • How to pay Blink from Banco Cuscatlan?
    • How to use a website to buy and sell bitcoin with Blink?
  • Earn Section
    • How does the earn section work?
    • Why is Earn wallet depleted?
    • What does the 'Unsupported phone carrier for quiz' error mean?
  • Blink Merchant Map
    • What is Blink's map feature?
    • How can I add my business to Blink's Merchant Map?
    • How can I remove my business from Blink's merchant map?
  • Blink & Other Wallets
    • Chivo wallet and ATM
    • How to prove that a lightning invoice was paid?
  • Blink Circles
    • What is Blink Circles?
    • What is Blink "Inner Circles?
    • Will my circles data or username be published for others to see?
    • Do I get paid for sharing my invite link or adding people to my circles?
  • Security Settings
    • 2FA
    • On-Device Security
  • Custody & Security
    • How is my money stored in Blink?
    • What is a Multisignature Wallet?
    • Can I move my Blink funds to my own custody?
  • Blink Voucher
  • Integrations
    • Connect to the Alby Browser extension on Android
    • Connect to BTCPay Server
    • Set your Blink account as an LNbits funding source
  • Demo videos
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On this page
  1. Security Settings

2FA

Add 2FA on your Blink Wallet to improve your wallet security

🔒 Add an additional layer of security to your Blink Wallet:

  1. Open Settings ⚙️

  2. Go to Security and Privacy 🔐

  3. Select Two-Factor Authentication 🔑

PreviousSecurity SettingsNextOn-Device Security

Last updated 7 months ago