Relai
Lightning
Wallet

Send and receive Bitcoin at lightning speed! Get your Bitcoin Lightning Network Wallet from Relai, the regulated Bitcoin app from Switzerland. Simple, fast, and secure.

How to use the
Relai Lightning
Wallet

01

Set up the Relai app

Install the Relai app on your Android smartphone or iPhone. Create your wallet and make sure to keep your personal 12-word recovery phrase safe.

02

Swap some Sats

Swap some BTC from your regular Bitcoin wallet to your Lightning wallet.

Secure your Relai wallet
01

Set up the Relai app

Install the Relai app on your Android smartphone or iPhone. Create your wallet and make sure to keep your personal 12-word recovery phrase safe.

Swap some Sats
02

Swap some Sats

Swap some BTC from your regular Bitcoin wallet to your Lightning wallet.

Define Sats amount
03

Define Sats amount

Set how many Bitcoin (BTC) you want to send or create a Lightning invoice to receive Lightning Network transactions.

Complete Lightning Transaction
04

Complete the transaction

Complete the transaction and continue to use Relai to buy, sell, send, or receive Bitcoin.

03

Define Sats amount

Set how many Bitcoin (BTC) you want to send or create a Lightning invoice to receive Lightning Network transactions.

04

Complete the transaction

Complete the transaction and continue to use Relai to buy, sell, send, or receive Bitcoin.

Lightning
vs
Bitcoin wallet

What is the difference between a Lightning Network wallet
and a regular Bitcoin wallet?

Transaction Speed

Lightning Network wallets allow for near-instantaneous transactions, while transactions on Bitcoin’s main blockchain can take longer depending on network usage and fees.

Fee Structure

Transactions on the Lightning Network tend to have much lower fees than on-chain transactions on the Bitcoin blockchain. Sometimes Lightning transactions are even free.

Payment Channels

Only Lightning Network wallets can open, manage, and close payment channels. These channels enable off-chain transactions between users.

Advantages of the Relai Lightning Wallet

Lightning-fast and (almost) free transactions
  • Send and receive Bitcoin (BTC) at the speed of light. Use your Lightning Network Wallet to pay small amounts, thanks to extremely low fees.
Open payment network of the future
  • Experience the Lightning Network in your everyday life and get a first glimpse of how billions of people will soon use Bitcoin.
Buy, sell, send, receive BTC—all in one app
  • The Relai app for iOS and Android is an unbeatable all-in-one package. Swap between your Bitcoin and Lightning wallet, buy and sell Bitcoin, while controlling your keys.
Swiss Quality—regulated, safe and secure
  • Relai is a Swiss company based in Zurich. The company is a financial services provider licensed in Switzerland and complies with all Swiss Money Laundering Act requirements.

Lightning Network FAQ

What is the Lightning Network?

The Lightning Network is a “second layer” solution for the Bitcoin blockchain that aims to address Bitcoin’s scalability issues. It allows users to perform near-instantaneous transactions with very low fees. This is achieved by conducting transactions outside the main blockchain in private “payment channels,” bypassing the need to record each transaction on the blockchain.

How does the Lightning Network work?

The Lightning Network is an innovative system that is revolutionizing the way transactions are conducted in the Bitcoin world. It provides a solution to Bitcoin’s scalability issues and enables fas and, low-cost transactions. The main goal of the Lightning Network is to reduce the number of transactions that need to be processed on the main blockchain by handling smaller and more frequent transactions in separate channels.

Why do I need a dedicated wallet for the Lightning Network?

A dedicated Lightning Network wallet is necessary because the Lightning Network works differently than Bitcoin’s main blockchain. While traditional Bitcoin wallets are designed to send and receive transactions on the main blockchain, Lightning Network wallets are optimized to process off-chain transactions in payment channels. They offer features such as opening, managing and closing payment channels and routing payments through the network.

Is the Lightning Network secure?

The Lightning Network was designed with security as the main priority. Because it is built on the Bitcoin blockchain, it inherits many of Bitcoin’s cryptographic security features. However, as with any new technology, there are potential risks, and improvements and updates are always being made to minimize these risks. Always use the latest version of your Lightning Network wallet and stay informed about security best practices.

How are disputes resolved on the Lightning Network?

In the event of disagreements or attempted fraudulent activity on the Lightning Network, mechanisms are in place to address such situations. For example, if one party attempts to withdraw an unagreed amount from a payment channel, the other party can provide evidence of the last signed transaction. The network will then punish the fraudulent party, often confiscating their funds in the channel. This system of “smart contracts” and built-in incentives helps encourage honest behavior on the network.

What happens if my Lightning Network node goes offline?

If your Lightning Network node goes offline, your payment channels and funds are not immediately at risk. However, you could miss payments or be able to send payments once your node comes back online. There is a risk, however, if your node remains offline for an extended period. Other parties may use an outdated channel status to claim funds unjustifiably. That’s why it’s essential to use regular monitoring services or “watchtowers” that work in the background to ensure that no one tries to make fraudulent transactions while your node is offline.

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