# Welcome to uBridge

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2FOz13qOVn792BQTS3XduZ%2F%E6%A8%AA%E6%8E%92960%20(1).png?alt=media&amp;token=01b53bb3-0234-443a-bfd3-6b0acd33d52e" alt=""><figcaption></figcaption></figure>

## What is uBridge？

We are proud to present [uBridge](https://bridge.udex.one), a revolutionary platform that enables the creation, issuance, and trading of crypto. uBridge is a decentralized exchange specializing in BRC-20 token trading and cross-chain bridging. At its core lies the principle of fairness and trustlessness, ensuring the establishment of truly open markets that operate independently of any central authority. What sets uBridge apart is its extensibility. The protocols are open to anyone, allowing for seamless integration with other smart contracts without the need for special permissions.

## Why uBridge?

In the rapidly evolving world of cryptocurrency, the need for secure, user-friendly, and efficient trading platforms is paramount. uBridge emerges as a groundbreaking solution, reinventing the landscape of decentralized trading. It's worth noting that the uBridge Bridge facilitates high-speed cross-network transfers, seamlessly connecting the Bitcoin BRC-20 ecosystem with the EVM ecosystem. Our platform is engineered to cater to both novice and seasoned traders in the crypto community, offering a seamless experience in spot and leveraged trading.

### **Providing liquidity among Bitcoin networks and EVM networks**

uBridge offers a secure and efficient bridging mechanism to allow for seamless transfers of tokens between BTC networks and EVM networks. Bridging ERC20 tokens with BRC20 tokens, uBridge enhances the liquidity of BRC20 tokens and promotes the growth and development of the Bitcoin ecosystem. This transformation enables the trading of BRC-20 inscriptions and other tokens, offering users a robust and versatile trading experience.

### **Revolutionizing Decentralized Trading**

At uBridge, we recognize the complexities and challenges presented by conventional decentralized exchanges (DEXs). These platforms, while secure and autonomous, often pose a steep learning curve for newcomers to the blockchain world. Our innovative approach leverages the latest in smart contract wallet technology, transforming the traditional DEX experience into a remarkably user-friendly interface. This advancement enables even those with zero blockchain knowledge to onboard and start trading within an astonishingly brief time frame of five seconds.

### **Leveraged Trading via Smart Contracts**

The second pillar of uBridge's novelty lies in our unique scheme of “leveraged trading via smart contracts.” This feature allows traders to engage in leveraged crypto trading, capitalizing on the liquidity of existing spot-trading protocols on the blockchain, such as [Uniswap](https://app.uniswap.org). By integrating this mechanism, uBridge ensures that leveraged trading has ample counterparty liquidity from day one, maintaining the ethos of decentralized trading.

## Quick links

{% content-ref url="/pages/bkhG0oMGQJSOE5pB5vGD" %}
[Bridge](/feature-description/bridge)
{% endcontent-ref %}

{% content-ref url="/pages/tsRLI2Wls7X131mPjJuz" %}
[Swap](/feature-description/swap)
{% endcontent-ref %}


# Getting Started

## User Experience Overview

Here is an overview of the user experience with [uBridge](https://bridge.udex.one/), showcasing our seamless BRC20 cross-chain capabilities. Our team is continuously developing new features, so stay tuned for our latest product releases.

## Registration/Login

When users choose to cross-chain from the BTC network to the EVM network, they can log in to uBridge using either the OKX or Unisat wallet after connecting their wallets.&#x20;

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2F1GjOMmrS1yF6VR8B6JV5%2Fimage.png?alt=media&amp;token=f37f616d-f0e7-495b-91ed-deb338704e60" alt=""><figcaption></figcaption></figure>

When users choose to cross-chain from the EVM network back to the BTC network, they can log in to uBridge using [Avatar Wallet](https://www.avatarwallet.io/), Metamask Wallet, or by using WalletConnect.

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2FYzz5UvyaAxTBYKXetMnE%2Fimage.png?alt=media&amp;token=4941c534-2af1-4144-95b5-5054eebaf67c" alt=""><figcaption></figcaption></figure>

## **Cross-Chain from BRC20 to EVM with OKX**

1.[uBridge](https://bridge.udex.one/) currently supports default cross-chain functionality from the BTC chain to the BSC chain. After connecting your wallet, users can select the desired asset from the dropdown menu in the Assets section.

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2FcKpS69LdSa4xVGytaqEu%2Fimage.png?alt=media&amp;token=b812471e-2360-4121-973e-ae0014c5b742" alt=""><figcaption></figcaption></figure>

2.After selecting the asset and clicking "Confirm," enter the BSC receiving address and click "New Inscription."

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2Fi9z2nQCmt5ENSXGrLFLn%2Fimage.png?alt=media&amp;token=d519af87-2a69-4e20-83ec-d6cc584e7c11" alt=""><figcaption></figcaption></figure>

3.In your wallet, enter the desired amount to be inscribed and click "Next" and then "Confirm" to complete the inscription.

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2FKGmPe2upKVaIaX4H6Bun%2Fimage.png?alt=media&amp;token=a3cb8279-5e87-4316-bf35-fea9a4c452f4" alt=""><figcaption></figcaption></figure>

4.Once the inscription is completed on OKX, return to the transfer page and wait for the inscription to be finalized.

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2FqbFfpxf1svT8Q54KkMVE%2Fimage.png?alt=media&amp;token=d1c43254-af4c-493c-aa3a-0762e990e845" alt=""><figcaption></figcaption></figure>

5.After the inscription is completed, select the inscription from the "Select Inscription" section and click "Confirm" to initiate the inscription transfer.

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2FK3iRkHjC5JVOF9rAKZi7%2Fimage.png?alt=media&amp;token=84152167-2718-4532-b346-35db5a639d8a" alt=""><figcaption></figcaption></figure>

6.Wait for successful blockchain confirmation (progress can be viewed by clicking on "History Record"), and you will receive the tokens on the BSC chain.

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2FW5c88B78YRMUnp6NcunS%2Fimage.png?alt=media&amp;token=aeb36a3a-acae-462e-9d86-7369426c2de0" alt=""><figcaption></figcaption></figure>

## **Unisat: Cross-Chain from BRC20 to EVM**

1.[uBridge](https://bridge.udex.one/) currently supports default cross-chain functionality from the BTC chain to the BSC chain. After connecting your wallet, users can select the desired asset for cross-chain in the dropdown menu under Assets.

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2FykNA6H9nFHBRGQIvYgzk%2Fimage.png?alt=media&amp;token=9d741779-e52a-4757-b81c-a3a6f5afc525" alt=""><figcaption></figcaption></figure>

2.After selecting the asset and clicking "Confirm," enter the quantity and the BSC receiving address, then click "Confirm."

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2FJHWyHuwL8KAct6ieeXFi%2Fimage.png?alt=media&amp;token=93b443b4-d3a3-438e-b026-e99069da1809" alt=""><figcaption></figcaption></figure>

3.In your wallet, click "Sign" to complete the signature, then click "Next" and "Sign\&Pay" to finalize the transfer.

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2FG3rdDBlCky0SIglVDDAP%2Fimage.png?alt=media&amp;token=989832a2-f346-4ef2-8ae6-ba70921c6f32" alt=""><figcaption></figcaption></figure>

4.Wait for successful blockchain confirmation (progress can be viewed by clicking on "History Record"), and you will receive the tokens on the BSC chain.

> Note: Wallets usually do not directly display the successfully cross-chained assets. Users need to manually enter the token contract address, which can be found in the "Token Information" section on the uBridge homepage.

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2F6o70vMhaGWaOMgmtzZI0%2Fimage.png?alt=media&amp;token=d4be407e-bfaf-437d-badc-4ef0af52846c" alt=""><figcaption></figcaption></figure>

## **Cross-Chain from EVM to BRC20**

1.Select the desired asset for cross-chain and confirm. Enter the transfer quantity and the BTC receiving address.

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2FxYvqFiNOcxkhdLIHSFq4%2Fimage.png?alt=media&amp;token=3ba1a70f-93f4-4c5f-bc9c-4bcfe28a063c" alt=""><figcaption></figcaption></figure>

2.Click "Confirm" and sign the transaction in your wallet.

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2FZaIxPZKUswDOoSs3vzu2%2Fimage.png?alt=media&amp;token=8d0fd291-e07e-44bd-ad69-a9f19443652c" alt=""><figcaption></figcaption></figure>

3.Wait for successful blockchain confirmation (progress can be viewed by clicking on "History Record"), and you will receive the tokens on the BTC chain.

![](https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2FiG39eZxIk6nc7jlC1QqJ%2Fimage.png?alt=media\&token=7adadee6-2534-4245-aca5-5ab493144536)<br>


# Bridge

The [uDEX](https://app.udex.one/) protocol introduces an innovative inscription cross-chain bridge - [uBridge](https://bridge.udex.one/). It streamlines the transfer of Bitcoin BRC-20 inscriptions onto the BSC chain. This feature adeptly resolves the issue of limited liquidity for BRC-20 inscriptions in secondary markets, significantly enhancing the trading experience and reducing transaction costs. By utilizing this feature, users can effortlessly bridge their BRC-20 inscriptions, thereby gaining access to a broader trading ecosystem and fostering more dynamic market interactions.

uDEX platform ensures secure and efficient mapping of BRC-20 inscriptions. When users activate this feature, their Bitcoin chain inscriptions are securely locked within uDEX's smart contract, and corresponding v-BRC20 tokens are created on the BSC chain, maintaining a robust 1:1 relationship. This allows for the creation of liquidity pools on PancakeSwap, enabling the free exchange of v-BRC20 tokens with other tokens. When these tokens are remapped back to the Bitcoin chain, the BSC chain's v-BRC20 tokens are destroyed, ensuring a seamless and secure transaction back to the user's original Bitcoin address.

<figure><img src="https://content.gitbook.com/content/dKdmCpm7gBj9OgfCdGSQ/blobs/LSgP1El0Jzg0V3tXflsX/20231227-155510.jpeg" alt=""><figcaption></figcaption></figure>

{% content-ref url="/spaces/qSLoj8cT4wzl2Xfvt2XT/pages/BvavqinQEsGIYPR2yPhk" %}
[How to Trade After Cross-Chain?](https://docs.udex.one/tutorial/how-to-trade-after-cross-chain)
{% endcontent-ref %}

##


# Swap

Swap trading is one of the key features of [uDEX](https://app.udex.one/), transforming decentralized trading by integrating with external DEXs like [Uniswap](https://app.uniswap.org/), [PancakeSwap](https://pancakeswap.finance/), and [1inch](https://app.1inch.io/) through a smart contract for asset exchange. This integration allows uDEX to optimize trades by seeking the best prices and minimizing slippage, significantly reducing trading costs for users. Integrated with the 1inch DEX aggregator, uDEX enables trades to be routed through multiple DEXs for optimal pricing, resulting in a substantial reduction in trading costs. Users benefit from insights on optimal trade costs, exchange rates, price impact, and gas consumption, thus enhancing the trading experience.

In its operation, uDEX connects to major decentralized exchanges, comparing rates across them to find the best trading conditions. The platform's routing algorithm strategically searches for the most favorable rates, often splitting orders across several exchanges, especially effective for large transactions. For example, in certain trades, the algorithm may choose a multi-step conversion process to ensure the best rate, illustrating uDEX's commitment to offering efficient, cost-effective trading solutions for its users.

<figure><img src="https://content.gitbook.com/content/dKdmCpm7gBj9OgfCdGSQ/blobs/kTMRt858hoQjcuR5yf9r/swap%20trading%20implementation.jpg" alt=""><figcaption></figcaption></figure>


# Tutorial


# How to Trade After Cross-Chain?

### Manually Add a Token in uDEX

1. Navigate to the "Trade" page on [uDEX](https://app.udex.one/).
2. In the Select Token search box, input the contract address of the token you intend to add and click on "Add Token."
3. Choose the trading pair you require, ensuring it already has liquidity on the DEX, and confirm your selection.
4. Once the token is successfully added, it becomes available for trading in the Swap section.

<figure><img src="https://411806991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdKdmCpm7gBj9OgfCdGSQ%2Fuploads%2F8t86MT9n7EkHWZKRYqi4%2FFrame%201261152758%20(2).png?alt=media&amp;token=e0790b35-9b06-476e-a25e-1ee63b999a6b" alt=""><figcaption></figcaption></figure>


# FAQ

## **How does token bridging work on uBridge?**

Token bridging on [uBridge](https://bridge.udex.one/) entails the transfer of BRC20 tokens to the EVM network. To initiate the process, users connect their wallets, select the desired tokens, and commence the bridging procedure. Through the implementation of  uBridge, the token migration is carried out securely and efficiently, thereby expanding the liquidity and opportunities accessible to users.

## **What should I do if I can't find the tokens I want to bridge?**

If you are unable to locate the specific tokens you wish to bridge, please complete the [application form](https://docs.google.com/forms/d/e/1FAIpQLSe7WnssO-y_-rhGCSvgHNGjxZYEC3wX0IwKbKcO7f-bZynr7Q/viewform). uBridge will meticulously review the project eligibility and select high-quality projects to support cross-chain functionality.

## **After cross-chain bridging BRC20 tokens to the EVM network, how can I engage in trading?**

To engage in trading with the bridged tokens, simply click on the "Trade" button to access the [uDEX website](https://app.udex.one/). From there, you can select the desired currency or directly input the contract address to trade the tokens that have undergone cross-chain bridging on the decentralized exchange.


# Roadmap

## &#x20; **Expansion and integration - Q4, 2023**

* **BSC integration**: enhance trading by aggregating market and limit orders on the BSC network, offering users more flexibility and efficiency in their trading strategies.
* **BRC-20 Bridge:** facilitate the seamless bridging of Bitcoin BRC20 inscriptions onto the BSC chain.
* **Multi-chain support**: extend support for market and limit orders on both Binance Smart Chain (BSC) and Arbitrum, aiming to provide a multi-chain trading experience.
* [**uDEX Telegram bot**](https://t.me/u_dex_bot/udex): simplify trading for both beginners and experienced crypto enthusiasts.

## &#x20; **Mainnet operations and advanced trading - Q1, 2024**

* **Ethereum mainnet aggregation**: aggregate market and limit orders on the Ethereum mainnet, allowing for a more seamless and integrated trading experience on the primary network for Ethereum.
* **Margin trading introduction**: enable margin trading, thereby offering leveraged positions to traders, enhancing the potential for higher profits while also introducing higher risks.
* **Token Issuance**: officially issue [uDEX](https://app.udex.one/) tokens, facilitating the full deployment of the platform's native cryptocurrency for use within the ecosystem.

## &#x20; **Trading innovation - Q2, 2024**

* **Token launch sniper**: introduce a token launch sniper feature, which will empower traders to capitalize on new token listings, potentially gaining an advantage by entering early on launches.

## &#x20; M**argin trading extension - Q3, 2024**

* **Extended Margin Trading**: enable margin trading across Ethereum Mainnet, BSC, and Arbitrum, providing a comprehensive and robust margin trading environment on multiple networks.

## &#x20; **Ecosystem development - Q4, 2024**

* **Staking Feature**: introduce a staking feature to the platform, allowing token holders to earn rewards by staking their uDEX tokens, contributing to the security and stability of the network, and participating in the platform's governance.


# Contact Us

We highly value the [uBridge](https://bridge.udex.one/) community and warmly welcome everyone to participate in our community activities. Whether you're a uBridge user or not, anyone can reach out to us at any time. Join the conversation or get support by joining the following channels:

* X: [@uBridgeOfficial](https://twitter.com/uBridgeOfficial)
* Telegram: <https://t.me/uBridge_Official>

If you have any questions or concerns, feel free to email us at 「<contact@innoguild.com>」. We're always here to help and engage with our community members.