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Rosen Bridge has officially launched Bitcoin Runes support on mainnet, opening a direct, decentralized path between Bitcoin assets and the broader UTXO DeFi world. With Runes now live, tokens issued on Bitcoin can move across Ergo and onward to connected networks like Cardano through a single, trust-minimized bridge.

Rosen Bridge + Bitcoin Runes Is Live

With the protocol nearing deployment, the **Community Liquidity Bootstrapping (CLB) event is set to begin on November 25th**, allowing users to contribute liquidity and earn CLB tokens ahead of the full launch.

At a high level, USE focuses on:
- Simple everyday use on Ergo.
- Clear, predictable rules in smart contracts.
- Good pairing with other assets, including bridged stablecoins such as USDT.

USE is built on the same Dexy framework that powers DexyGold, which already runs on Ergo mainnet and tracks the gold price through oracles and smart contracts.

## How the Design Works

USE uses a simple structure that many DeFi users will recognise.

1. **The Bank contract**
- The Bank holds ERG reserves and uses an ERG/USD oracle.
- Users can send ERG to the Bank and mint USE at the oracle price, plus a small fee.
- The Bank can use its ERG reserves to buy USE when the price is weak, or sell USE when the price is high.
- The Bank controls when new USE is created and how reserves move.

2. **The Liquidity Pool (LP)**
- The LP is a trading pool on Ergo DEXs that holds ERG and USE.
- Traders swap ERG and USE, similar to a Uniswap v2 style pool.
- The pool price moves with supply and demand.
- Safety rules can limit some actions if the pool price drifts far from the oracle price, which protects reserves in obvious stress events.

3. **Arbitrage keeps the price close to 1 USD**

Arbitrage traders compare the oracle price, the LP price, and the Bank minting price.
- If USE trades above 1 USD, they can mint at the Bank and sell into the LP.
- If USE trades below 1 USD, they can buy from the LP and benefit when conditions normalise.

This profit loop keeps the price close to the target without a central controller that can freeze balances.

## Key Parameters and Safety (Planned Launch Setup)

The team treats the following as the planned initial configuration for launch. Parameters can still change based on testing and simulations.

- **Token and fees:** USE uses 6 decimals (like USDT/USDC). Fees aim to be low, targeting 0.1% for bridge routes and ~0.05% for core stable-swap markets.
- **Governance:** A 3-of-5 multisig committee will initially adjust parameters, with a plan to burn keys or transition to a DAO structure after roughly 6 months.
- **Free Minting**: Allowed when the peg is healthy and reserves are comfortable. Capped at 1% of LP size every 360 blocks (~12 hours).
- **Arbitrage Minting:** Activates if USE trades above ~$1.01 for ~1 hour.
- Interventions: The Bank can buy/sell USE in the LP (max 2% slippage) to support the peg, with a minimum delay between actions.
- **Payouts**: If reserves become very high (well above 100% collateral), the protocol can pay out a maximum of 0.5% of reserves per week, prioritizing long-term solvency.

“Extract-to-the-Future” (Under Review)

The team is reviewing a last-resort feature where, during extreme stress, the system could pull USE from the LP to lift prices. Users would be able to return that extracted USE once conditions improve. This may or may not be active at launch depending on final testing.

## Launch Details: The CLB Event

The launch quality of USE depends on starting liquidity. To achieve this, the project is hosting a **Community Liquidity Bootstrapping (CLB) event**.

### Event Timeline
- **Phase 1 (Contribution)**: Nov 25 (19:00 UTC) – Nov 28 (19:00 UTC)
- **Phase 2 (Minting)**: Nov 28 – Dec 1
- **Phase 3 (Airdrop**): Starts Dec 1 (19:00 UTC)

## How it Works

Instead of a traditional sale, users contribute liquidity to bootstrap the protocol.

1. **Contribution**: Users can contribute **ERG** (on Ergo) or **rsERG** (bridged ERG on Cardano).
2. **Liquidity Lock**: All contributed funds are paired to create the initial USE/ERG liquidity pool. The LP tokens for this pool are **locked for 2 years** in a smart contract.
3. **The CLB Token**: Contributors receive **CLB tokens**. These are liquid, tradeable tokens that represent your share of the locked liquidity pool plus the accumulated trading fees (0.3% fee tier) generated over the 2-year period.
4. **Incentives**: In addition to the CLB tokens, participants will share a bonus airdrop pool of **200,000 DORT** (Oracle reward token) and **125,000 MEW** (Mew Finance token).

**Important Note**: Do not send funds from an exchange. You must use a non-custodial wallet (like Nautilus or Ergo Wallet App) to receive your CLB and airdrops.

For full participation details, step-by-step guides, and disclaimer, please read the official launch article by Richi TP:

👉 USE — [Launch Event Details](https://medium.com/@manastaking/use-launch-event-details-4957d1db1dac?postPublishedType=repub)

## Community & Resources

**X Spaces Recording**: [Vision, design, and launch event](https://x.com/i/spaces/1djGXWAOaXdKZ)
**Telegram:** [t.me/USE_stablecoin](https://t.me/USE_stablecoin)
**Dexy Protocol Reference**: [Dexy stablecoin framework on Ergo Forum](https://www.google.com/search?q=https://www.ergoforum.org/t/dexy-gold-design/3835)
**Dexy**:[ A Seigniorage-Based Stablecoin](https://docs.ergoplatform.com/eco/dexy/)

_This article is an overview. Final launch docs and on-chain contracts will determine the exact rules of the system._


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USE (Universal Stablecoin for Ergo) is a planned USD-linked stablecoin on Ergo. It aims to give the ecosystem a simple dollar unit for trading, saving, and cross-chain activity, while keeping the rules transparent on-chain and the base protocol safe.

Ecosystem Spotlight: USE, a Universal Stablecoin for Ergo

Rosen Bridge has entered the final phase for its [Bitcoin Runes integration](https://ergoplatform.org/en/blog/Bitcoin-Runes-Rosen-Bridge-A-Practical-Path-for-Multi-Chain-Fungible-Assets/). You can now set up your Bitcoin-Runes watcher. The collateral requirement for the Bitcoin-Runes network has changed. You need to lock 50K RSN and 10 ERG as collateral to run a Bitcoin-Runes watcher. You can find the latest configuration documentation [here](https://github.com/rosen-bridge/operation/blob/dev/docs/watcher/deploy-docker.md#bitcoin-runes-config-just-for-bitcoin-runes-watchers). 

This update matters for anyone trading or building on Ergo. Runes are Bitcoin’s native fungible asset standard. Integrating them into Rosen means that tokens minted on Bitcoin can move across chains through Ergo, Cardano, and others already linked through the bridge. That makes Rosen one of the first working paths between Bitcoin Runes and UTXO-based DeFi.

## Current Status

The Rosen team has successfully moved beyond the testing phase and executed the on-chain creation of the necessary assets. **Rune balance**s destined for the bridge are now minted and live on Bitcoin.

The team has established the ```•ROSEN•TECH```  namespace, creating Runes that represent a wide variety of external assets. This includes major liquidity tokens like **ETH, BNB, ADA**, and **DOGE**, as well as ecosystem-specific assets like **RSN, Paideia**, and the **SigmaUSD** stablecoin (```•SIGMA•ROSEN•TECH```). These newly created balances act as the foundational liquidity layer on Bitcoin, signaling that the infrastructure is now primed to facilitate the actual bridging and swapping of these tokens across networks.

As of November 22nd, the Runes+ bridge is ready to launch and watchers are invited to get set-up.

⚠️ _Please Note:  This release is not limited to Bitcoin-Runes operators – all watcher operators must update their images as soon as possible!_

## Technical Progress
- Several core systems were upgraded for this milestone.
- The legacy P2P layer has been replaced with Rosenet, improving message routing and reducing load.
- A new Ergo Multisig package now handles key coordination and validation logic on the code level.
- All major services moved to Node v22.18 to align with current runtime standards.
- And the obvious step, the Bitcoin Runes chain is now part of the network list.

Alongside these, Rosen is introducing an **On-Chain Token Map**. Until now, supported assets were defined in a JSON file shared among watchers and guards. Every token update required manual synchronisation. The new model stores supported token data directly on-chain, so bridge participants can fetch verified configs straight from Ergo boxes. This change removes manual delays and adds transparency to how assets become bridge-eligible.

The migration is happening in two stages. The first updated TokenMap structures to recognise configs stored on-chain. The second, now in motion, shifts live services to read from blockchain data rather than local files. UI applications are the first to adopt the change, followed by guard and watcher services.

## Meaning in Practice

The Runes integration turns Ergo into a route for Bitcoin-denominated tokens. Instead of waiting for centralised exchanges to list them, you’ll be able to mint, transfer, and trade Runes assets across supported networks. Rosen’s on-chain token mapping simplifies deployment and removes the need to patch configs manually. Also, it opens opportunities to build liquidity scripts and automated swaps directly around Bitcoin-native tokens once liquidity pools form on [ErgoDEX](https://www.ergodex.io/ergo/swap).

When Bitcoin Runes go live through [Rosen](https://rosen.tech/), cross-chain fungible assets will become a day-to-day tool.

Deployment to mainnet and asset minting are now in progress. The team expects the full bridge release before the end of the month.



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Bringing Multi-Chain Assets Closer to Ergo Users

Rosen Bridge Nears Bitcoin Runes Launch

Banxa now provides US dollar on-ramp access for ERG. Users in most states can buy and sell ERG directly through Banxa’s gateway.

The rollout completes the [Onramper x Banxa integration](https://ergoplatform.org/en/blog/Ergo-Onramper-Banxa/) funded by the community raffle earlier this year. [That campaign raised 20,000 USD](https://ergoraffle.com/raffle/show/ccf1fb1949cfbba4a00e9134b8325eaa1f52afb7bc8e6255c62b46da90d8445f) to cover setup fees and technical work. The Ergo Foundation paid the remaining costs and managed coordination with Banxa to bring ERG support online.

Banxa’s coverage includes nearly all US regions. Hawaii, Louisiana, and New York remain restricted under local rules. The service connects to regulated payment networks and converts fiat to ERG and back in a single step. 

This integration removes a long bottleneck for US users. Before today, entering the Ergo ecosystem required routing funds through exchanges or swapping multiple assets. Now ERG can be purchased and sold directly from Banxa’s interface, and in future directly from within the [Nautilus wallet](https://www.nautiluswallet.com/) as they integrate Banxa fully, enabling in-wallet ERG transactions and introducing BRL (Brazilian Real) on-and off-ramp support to further broaden accessibility. And it’s not only U.S. Ergonauts celebrating: Banxa's global coverage across more than [100 other countries](https://support.banxa.com/en/support/solutions/articles/44002216505-what-countries-are-supported-by-banxa-) makes it easier than ever for anyone, anywhere, to grab some ERG.

Community effort made this possible. The raffle, the foundation’s funding, and the technical integration together built a bridge between traditional finance and Ergo’s native currency.

Users can access the service at [banxa.com](http://banxa.com)


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Banxa Fiat-Ramp Support Is Live

## The big idea

Bitcoin finally has a clean way to represent fungible tokens. Runes turn ordinary Bitcoin transactions into token movements that sit inside the UTXO model. Rosen Bridge brings a cross-chain control plane that coordinates deposits, mints, burns, and releases through two independent roles: Watchers and Guards. Put those together and you get wrapped assets that live on Bitcoin as Runes and travel to other chains through a predictable, auditable flow.

## Why this matters

Most people want simple outcomes: move value where the apps live, keep supply honest, avoid weird wallet hoops. Runes help because they work with normal Bitcoin transactions. Rosen helps because it gives every hop a rulebook and a referee. The result feels less like a science project and more like a network feature you can rely on.

## What you can do

- **Wrap assets onto Bitcoin.** A token on Chain-A can gain a Rune representation on Bitcoin. Traders can park value in the deepest liquidity venue in crypto and still interact with UTXO DeFi that speaks Runes.
- **Bridge assets through Bitcoin.** A token on Chain-A can move to Chain-B with a Rune step in the middle. That route lets you bridge even when chains don’t connect directly.
- **Build “Bitcoin-native” utilities.** Loyalty points, game currencies, and stable assets can live as Runes and still redeem back to origin chains through the same guardrails.
- **Automate treasury actions.** DAOs can hold cross-chain treasuries and express some of that balance on Bitcoin for settlement or visibility while keeping redemption live at all times.

## How the flow works

1. You lock the origin asset in a Rosen vault on its home chain.
2. Watchers see the lock and publish a proof.
3. Guards check the proof and mint the Rune on Bitcoin with metadata that ties the Rune amount to your lock event.
4. You move the Rune on Bitcoin like any other Rune.
5. You burn the Rune or send it to a redemption output.
6. Watchers see that event and publish a proof.
7. Guards release on the destination chain or send it back to the origin vault, depending on your choice.

Every step points at a piece of verifiable data. The metadata link and the Guard threshold both act as brakes on inflation or replay.

## What changed inside Rosen to support Runes

The team wired Runes into existing Bitcoin modules and then set a few strict rules to keep everything clean:

- **One Rune type per transfer.** Each bridge transaction moves a single asset class.
- **Minimal UTXO values.** Rune UTXOs sit at the native minimum; fee UTXOs stay separate.
- **Strict output order.** Universal change (if present), Rune change, OP_RETURN, user output, BTC change.
- **Universal change box.** Odd or messy inputs return to a safe address rather than breaking parsing.

These rules keep transactions small, predictable, and easy to scan. They also dodge shaky API shortcuts by splitting data reads into clear paths: one for Bitcoin UTXOs, one for Rune balances.

## Where Ergo fits

Rosen runs an Ergo-anchored control plane. Watchers and Guards coordinate through permits, fees, and collateral on Ergo. That design gives the bridge a single place to enforce slashing, track roles, and settle incentives. The asset can bounce between Bitcoin and other chains while the rulebook and penalties stay consistent.

## First public demo: ADA

The first end-to-end run used ADA because Cardano Catalyst funded the research path. The demo locked ADA on Cardano, minted a Rune on Bitcoin with Rosen metadata, and redeemed through the bridge. That test proved the full loop and set the stage for more assets.

## What this unlocks for builders

- **Wallet UX.** Any wallet that lists Runes can show wrapped balances. A “Bridge” button can drive lock → mint and burn → release without custom parsers.
- **Explorers and analytics.** Indexers can read runestones and display supply that maps back to origin locks. Dashboards can show circulating Rune supply beside vault balances.
- **DeFi integrations.** Liquidity pools on Bitcoin can list Rune pairs and settle at UTXO speed. Apps on other chains can accept a bridged supply that redeems through a known path.
- **Programmable policies.** Projects can layer rules such as cool-downs, spend limits, or allowlists around the Watcher/Guard agreement without changing Bitcoin itself.

## Security model in plain terms

- **Supply stays honest.** Circulating Rune supply equals what sits locked elsewhere. Guards mint and release only after proofs clear.
- **Events stay unique.** Metadata inside OP_RETURN ties every mint or redemption to an origin event, so a replay attempt fails checks.
- **Operators face real stakes.** Guards post collateral that can be slashed for faults. The system pays fees through a native incentive token, so the economics line up with good behavior.
- **Transactions stay boring.** Deterministic structure and single-asset transfers cut edge cases and keep audits short.

## Developer notes

- You work with a standard scanner that already knows Bitcoin.
- You plug in Rune extractors that pull transfer details and enforce the transaction shape.
- You sign through Rosen’s threshold scheme and broadcast through ordinary nodes.
- You test in Pandora, then promote the same flow to mainnet when the checks pass.

## What’s next

- A public spec for bridge metadata inside Runes so every wallet and explorer can show the same truth.
- Wider vault coverage so more chains can mint a Rune representation.
- Extra UI polish so the “Bridge” button looks and feels the same across ecosystems.
- Formal audits of the Rune paths inside Watcher and Guard.

## The takeaway

Runes give Bitcoin a tidy, UTXO-native language for fungible tokens. Rosen gives cross-chain movement a rulebook and a scoreboard. Together they turn “wrapped on Bitcoin” into a dependable capability rather than a one-off experiment. If you build apps that touch multiple chains, you now have a route that keeps the UX smooth and the accounting tight.



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Bitcoin Runes + Rosen Bridge: A Practical Path for Multi-Chain Fungible Assets

**El Propósito de Esta Rifa:**
[Esta rifa](https://ergoraffle.com/raffle/show/ccf1fb1949cfbba4a00e9134b8325eaa1f52afb7bc8e6255c62b46da90d8445f) es financiar la integración de **Onramper y Banxa** en el ecosistema de Ergo. Lo más importante es que esto permitirá rampas de acceso fiat en dólares estadounidenses (USD) **(para comprar ERG) y rampas de salida (para convertir ERG de nuevo a fiat)**, aumentando significativamente la accesibilidad y utilidad de Ergo.

**La Oportunidad para Ergo:**
Las rampas de acceso y salida fiat directas son una pieza crítica de infraestructura. Al integrarnos con Onramper (un agregador líder de gateways fiat) y Banxa (un importante proveedor global de soluciones de pago), podemos reducir drásticamente la barrera de entrada y simplificar la experiencia para todos los que deseen **comprar, vender y usar ERG**.

Esta integración tiene como objetivo proporcionar una amplia cobertura global, dando acceso a la mayoría de los lugares. Las excepciones clave donde los servicios pueden estar restringidos incluyen Hawái, Luisiana y Nueva York dentro de EE. UU., China continental y aproximadamente 30 otros países más pequeños debido a paisajes regulatorios específicos. Si bien el Reino Unido será compatible a través de Banxa, no estará disponible a través de Onramper debido a las reglas de la FCA. Sin embargo, para la mayoría de los usuarios en todo el mundo, esto aún permitirá una experiencia más fluida al interactuar con el ecosistema de Ergo utilizando monedas tradicionales.

- [Qué países son soportados por Banxa](https://support.banxa.com/en/support/solutions/articles/44002216505-what-countries-are-supported-by-banxa-)
- [Cobertura de Onramper](https://www.onramper.com/coverage)

Además, el widget de Onramper se puede integrar directamente en herramientas del ecosistema como Nautilus para permitir una incorporación sin esfuerzo para nuevos usuarios. 

**Enfoque de los Fondos Comunitarios y Compromiso de la Fundación Ergo:**

Los $20,000 USD recaudados de esta rifa comunitaria se destinarán directamente a cubrir costos esenciales para la integración de Onramper y Banxa, incluyendo pero no limitado a:

* Tarifas de integración inicial de la plataforma y cargos de configuración para ambas funcionalidades de rampa de acceso y rampa de salida en Banxa.
* Tarifas de integración con Onramper.
* Desarrollo técnico y cualquier otro trabajo requerido para un soporte fluido de ERG.


La **Fundación Ergo está cofinanciando sustancialmente toda esta iniciativa**. Se comprometen a cubrir todos los costos adicionales más allá de la contribución de $20,000 de la comunidad, asegurando que se realice el alcance completo del proyecto (incluyendo rampas de acceso y salida robustas) y que estos cruciales gateways fiat estén integrados y apoyados de manera sostenible a largo plazo. ¡Tu contribución es una parte clave de este esfuerzo colaborativo más grande para elevar Ergo!

**¡Llevemos acceso fiat sin problemas y rutas de salida a Ergo y desbloqueemos su potencial global!**

[Contribuir en ergoraffle.com](https://ergoraffle.com/raffle/show/ccf1fb1949cfbba4a00e9134b8325eaa1f52afb7bc8e6255c62b46da90d8445f)

*Descargo de responsabilidad: Esta rifa es necesaria antes de que el acuerdo pueda proceder, pero aún no se ha firmado. Nos han asegurado que no debería haber problemas, pero si no se concreta, los fondos irán a un DAO formado enviando tokens de gobernanza a todos los participantes de la rifa, permitiéndoles dirigir futuras rifas.*

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**The Purpose of This Raffle:**
[This raffle](https://ergoraffle.com/raffle/show/ccf1fb1949cfbba4a00e9134b8325eaa1f52afb7bc8e6255c62b46da90d8445f) is to crowdfund the integration of **Onramper and Banxa** into the Ergo ecosystem. Most importantly, this will enable easy US dollar (USD) fiat **on-ramps (to purchase ERG) and off-ramps (to convert ERG back to fiat)**, significantly boosting Ergo's accessibility and utility.

**The Opportunity for Ergo:**
Direct fiat on and off-ramps are a critical piece of infrastructure. By integrating with Onramper (a leading fiat gateway aggregator) and Banxa (a major global payment solutions provider), we can drastically lower the barrier to entry and simplify the experience for everyone wanting to **buy, sell, and use ERG**.

This integration aims to provide extensive global coverage, giving access to most places. Key exceptions where services may be restricted include Hawaii, Louisiana, and New York within the US, mainland China, and approximately 30 other smaller countries due to specific regulatory landscapes. While the UK will be supported via Banxa, it won't be available through Onramper because of FCA rules. However, for most users around the world, this will still enable a more seamless experience when interacting with the Ergo ecosystem using traditional currencies.

- [What countries are supported by Banxa](https://support.banxa.com/en/support/solutions/articles/44002216505-what-countries-are-supported-by-banxa-)
- [Onramper Coverage](https://www.onramper.com/coverage)

Additionally, the Onramper widget can be integrated directly into ecosystem tooling like Nautilus to enable effortless onboarding for new users. 

**Focus of Community Funds & Ergo Foundation Commitment:**

The $20,000 USD raised from this community raffle will be directly allocated to cover essential costs for the Onramper and Banxa integration, including but not limited to:

* Initial platform integration fees and setup charges for both on-ramp and off-ramp functionalities at Banxa.
* Integration fees with Onramper.
* Technical development and any other work required for seamless ERG support.


The **Ergo Foundation is substantially co-funding this entire initiative**. They are committed to covering all additional costs beyond the community's $20,000 contribution, ensuring the full scope of the project (including robust on-ramping and off-ramping) is realized and that these crucial fiat gateways are sustainably integrated and supported for the long term. Your contribution is a key part of this larger, collaborative effort to elevate Ergo!

**Let's bring seamless fiat access and exit routes to Ergo and unlock its global potential!**

[Contribute on ergoraffle.com](https://ergoraffle.com/raffle/show/ccf1fb1949cfbba4a00e9134b8325eaa1f52afb7bc8e6255c62b46da90d8445f)

*Disclaimer: This raffle is required before the deal can proceed, but it has not yet been signed. We've been assured there should be no issues, but if it falls through, funds will go to a DAO formed by sending governance tokens to all raffle participants, allowing them to direct future raffles.*

Ergo Onramper & Banxa Integration: Fiat Access & Off-Ramps

Integración de Ergo Onramper y Banxa: Acceso Fiat y Rutas de Salida

Es innegable que la Plataforma Ergo sigue superando a la mayoría de la industria blockchain en actividad de desarrolladores. Desde su inicio, el Rosen Bridge de Ergo ha logrado conectar activos entre Ergo, Cardano, Bitcoin y Ethereum a través de su sistema seguro de guardianes y observadores descentralizados. A partir de hoy, Rosen Bridge ahora admite la conexión de activos a Binance Smart Chain (BSC).

La adición de Binance Smart Chain abre la puerta para el flujo inmediato de activos de Ergo y Cardano hacia BSC y su gran mercado de DEXs. En otras palabras, ahora es posible listar un activo como rsERG en los DEXs de BSC. De hecho, los activos compatibles de todas las blockchains que están conectadas en Rosen Bridge pueden ser utilizados de manera cruzada para formar nuevos pools de liquidez en las respectivas blockchains.

No sorprenderá que gran parte de la comunidad de Ergo haya sentido que los principales intercambios centralizados de la industria han sido reticentes en su disposición a listar $ERG en sus plataformas. Muchos han citado que Ergo es una blockchain única de Capa 1, y como tal, requeriría recursos significativos de desarrolladores para integrarla en un CEX. El equipo de desarrolladores de Ergo ha ofrecido repetidamente ayudar con tales integraciones de forma gratuita, pero aún no han aceptado esa oferta.

Rosen Bridge fue construido para permitir una mayor interoperabilidad entre blockchains y el flujo libre de dinero para todos los activos conectados. Con Rosen Bridge, no hay necesidad de CEXs ya que Ergo puede existir en cualquiera de las cadenas conectadas y cualquier emparejamiento de liquidez puede ser creado para el comercio inmediato de rsERG en estas blockchains. Ergo ya no está a merced de tener que intentar negociar tarifas de listado o pedir a un CEX que considere listar la moneda $ERG. Cualquiera que use cripto ahora puede acceder fácilmente a cualquiera de los tokens en estas blockchains sin necesidad de un intermediario. Posteriormente, cualquiera que no haya tenido acceso a $ERG y sus activos nativos debido a los CEXs ahora puede adquirir estos tokens e interactuar con los increíbles productos que se están diseñando en Ergo.

Ergo siempre ha tratado sobre la descentralización y la limitación del control por entidades singular/centralizadas. Se trata de empoderar a las personas para que tomen control de su dinero y tengan acceso justo a servicios DeFi, como protocolos de préstamo y endeudamiento descentralizados. Rosen Bridge acaba de reescribir el guion sobre la seguridad de los puentes, y ha remodelado significativamente la forma en que las personas pueden interactuar con todas las blockchains conectadas. La pregunta es, ¿quién aprovechará esta oportunidad y ayudará a iniciar una verdadera revolución del dinero descentralizado?

Si eres alguien que tiene una cantidad significativa de $ERG y te gustaría explorar ganar tarifas por proporcionar liquidez, entonces Rosen Bridge puede ser de particular interés para ti. Muchos Ergonautas están familiarizados con la experiencia y la interfaz de usuario de Rosen Bridge, pero si eres nuevo en este producto, proporcionaremos una breve guía sobre cómo usar el puente.

## Interactuando con Rosen Bridge

1. Visita el [Sitio Web de Rosen Bridge](https://app.rosen.tech/)

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2. Luego necesitarás seleccionar tus blockchains de **Origen** y **Destino**. Para seleccionar tu blockchain de Origen (la cadena de la que deseas mover activos), simplemente haz clic en el menú desplegable y elige entre Ergo, Cardano, Bitcoin, Ethereum o Binance Smart Chain. De manera similar, puedes seleccionar tu blockchain de Destino (la cadena a la que deseas mover tus activos) a través del menú desplegable.

3. Una vez que hayas seleccionado las blockchains de Origen y Destino, necesitarás conectar tu billetera.

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_Ten en cuenta que necesitarás haber creado billeteras en ambas blockchains, la de Origen y la de Destino, antes de intentar tu transacción._

En el ejemplo anterior, estamos usando Cardano como nuestra blockchain de Origen, y después de conectar nuestra billetera al Rosen Bridge, la dApp podrá leer qué activos están disponibles para ser conectados.

4. Para mover los activos deseados a Binance Smart Chain, necesitarás tener tu dirección de billetera BSC lista para ingresar en el cuadro de **Dirección de Destino** en el sitio web.

5. Selecciona el **Token**, o activo, que deseas mover a BSC en el campo correspondiente en el sitio web de la dApp.

6. Elige la cantidad de tokens que deseas enviar.

Una vez que hayas completado estos pasos, puedes conectar los activos deseados a tu billetera de Binance Smart Chain. Es importante tener en cuenta que la transacción no es inmediata. Rosen Bridge está diseñado específicamente para la máxima seguridad. Es una elección de diseño intencionada tener las transacciones de puente cuidadosamente verificadas y validadas a través del sistema de guardianes y observadores. Las transacciones de puente instantáneas serían agradables, pero como la historia ha demostrado, los puentes débiles han sido propensos a ataques y fondos perdidos. Rosen Bridge está construido para ser seguro y reduce significativamente los vectores de ataque a través de su diseño descentralizado, asegurando que los fondos estén seguros y lleguen a su destino final.

Si deseas aprender más sobre Rosen Bridge y su diseño revolucionario, visita el [sitio web de Rosen Bridge](https://rosen.tech/). El equipo continúa construyendo infraestructura para más blockchains mientras simultáneamente agrega soporte para un número creciente de tokens nativos de las respectivas blockchains. El éxito de este puente está bien documentado, y con el tiempo, está claro que tiene el potencial de convertirse en el centro principal para la interoperabilidad entre cadenas en toda la industria.

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It is undeniable that the Ergo Platform continues to outpace most of the blockchain industry in developer activity. Since its inception, Ergo’s Rosen Bridge has successfully bridged assets between Ergo, Cardano, Bitcoin, and Ethereum via its secure system of decentralized guards and watchers. As of today, Rosen Bridge now supports the bridging of assets to Binance Smart Chain (BSC).

The addition of Binance Smart Chain opens the door for the immediate flow of Ergo and Cardano assets into BSC and its large market of DEXs. In other words, it is now possible to list an asset such as rsERG on BSC DEXs. In fact, compatible assets from all of the blockchains that are bridged on Rosen Bridge can be used cross-chain to form new liquidity pools on the respective blockchains.

It will come as no surprise that much of the Ergo community has felt that the industry’s major centralized exchanges have been reticent in their willingness to list $ERG on their platforms. Many have cited that Ergo is a unique Layer 1 blockchain, and as such, it would require significant developer resources to integrate it into a CEX. The Ergo developer team has repeatedly offered to assist with such integrations for free, but they have yet to be taken up on that offer.

Rosen Bridge was built to allow for greater interoperability between blockchains and the free flow of money for all bridged assets. With Rosen Bridge, there is no need for CEXs as Ergo can exist on any of the bridged chains and any liquidity pairing can be created for the immediate trading of rsERG on these blockchains. Ergo is no longer at the mercy of having to try and negotiate listing fees or ask for a CEX to consider listing the $ERG coin. Anyone who uses crypto can now easily access any of the tokens on these blockchains without the need for an intermediary. Subsequently, anyone who has not had access to $ERG and its native assets because of CEXs can now acquire these tokens and interact with the incredible products that are being designed on Ergo.

Ergo has always been about decentralization and limiting control by singular/centralized entities. It is about empowering people to take control of their money and having fair access to DeFi services, such as decentralized lending and borrowing protocols. Rosen Bridge has just rewritten the script on bridge security, and it has significantly reshaped the way people can interact with all of the bridged blockchains. The question is, who will take advantage of this opportunity and help jump start a true decentralized money revolution?

If you are someone who has a significant $ERG holding and would like to explore earning fees for providing liquidity, then Rosen Bridge may be of particular interest to you. Many Ergonauts are familiar with the Rosen Bridge user experience and interface, but if you are new to this product, we will provide a short guide on how to use the bridge.

## Interacting with Rosen Bridge

1. Visit the [Rosen Bridge Website](https://app.rosen.tech/)

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2. You will then need to select your **Source** and **Target** blockchains. To select your Source blockchain (the chain you wish to move assets off of), just click on the drop menu and choose from Ergo, Cardano, Bitcoin, Ethereum, or Binance Smart Chain. Similarly, you can select your Target blockchain (the chain you want to move your assets to) via the drop menu. 

3. Once you have selected the Source and Target blockchains, you will need to connect your wallet.

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_Please note that you will need to have created wallets on both the Source and Target blockchains before you attempt your transaction._

In the example above, we are using Cardano as our Source blockchain, and after connecting our wallet to the Rosen Bridge, the dApp will be able to read which assets are available for bridging.

4. In order to move the desired assets to Binance Smart Chain, you will need to have your BSC wallet address ready for input in the **Target Address** box on the website. 

5. Select the **Token**, or asset, that you wish to move to BSC in the corresponding field on the dApp’s website.

6. Choose the number of tokens you want to send. 

Once you have completed these steps, you can bridge the desired assets to your Binance Smart Chain wallet. It is important to note that the transaction is not immediate. Rosen Bridge is specifically designed for utmost security. It is an intentional design choice to have bridge transactions carefully vetted and verified via the system of guards and watchers. Instant bridge transactions would be nice, but as history has shown, weak bridges have been prone to attacks and lost funds. Rosen Bridge is built to be secure and it significantly reduces attack vectors through its decentralized design - ensuring that funds are safe and arrive at their target destination. 

If you would like to learn more about Rosen Bridge and its revolutionary design, please visit the [Rosen Bridge website](https://rosen.tech/). The team continues to build infrastructure for more blockchains while simultaneously adding support for an increasing number of native tokens from the respective blockchains. The success of this bridge is well documented, and with time, it is clear that it has the potential to become the main hub for cross-chain interoperability throughout the industry. 

Rosen Bridge: Binance Smart Chain Integration Goes Live

Rosen Bridge: La integración de Binance Smart Chain ya está en vivo

_The Ergo Foundation and MEXC exchange are pleased to announce that $ERG trading is now [live on MEXC exchange](https://www.mexc.com/exchange/ERG_USDT) as of April 29, 2024 at 10:30 UTC._

A growing company in the crypto exchange industry, MEXC currently ranks 11th on Coin Market Cap's top exchanges. It offers fiat support for 15 different currencies, and it lists more coins than the top 10 exchanges on the list. Servicing over 10 million customers, MEXC is available to users in over 170 countries. It holds over $4 billion in assets and has achieved over $1.24 billion in spot trading volume in the last 24 hours.

## The Power of Community

This exchange listing was made possible through the initiative and efforts of the Ergo Community. Spearheaded by the Sigmanauts, a community [Ergo Raffle](https://ergoplatform.org/en/news/Ergo-is-now-available-on-MEXC-Global/) was held to raise over 28k ERG. Through the generous contributions of the Ergo community, the raffle successfully raised the required funds, and the Ergo Foundation contributed the necessary market-making fund for the listing.

Ergonauts and MEXC customers can now trade $ERG coins on the MEXC exchange. If you are new to MEXC exchange, please visit their [website](https://www.mexc.com/) for more info on their products as well as how to create an account. If you are an existing MEXC customer and would like to learn more about the Ergo Platform, please visit the [Ergo website](https://ergoplatform.org/en/).


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Ergo is now available on MEXC Global

## Why is this significant?

[Xeggex](https://xeggex.com/) is a popular cryptocurrency exchange amongst the Proof-of-Work mining community, making the listing of ERG tokens on the exchange a perfect fit. As a Proof-of-Work model, Ergo’s vision, community, and ideals are fully aligned with Xeggex, and we expect Ergo’s reception on Xeggex to be very well-received.

To achieve this, our community was able to raise 2,229 ERG tokens equalling a total of $3,500 USD at the time of this announcement! The amount raised will be directly used to help provide liquidity to the ERG/USDT and ERG/BTC pairs [which are now available](https://xeggex.com/markets) on the exchange!

This is a welcome addition to Ergo’s already [wide list of exchanges](https://ergoplatform.org/en/get-erg/#Exchanges), which include the likes of KuCoin, Gate.io, and BitPanda. We hope this listing will hit close to home for many of you who have been part of Ergo’s community for a long time, and we’re extremely excited to be able to give our community with even more liquidity-provision opportunities.


Are you interested in learning more about Ergo and its community? [Join our growing Discord community with over 10,000 members here!](https://discord.gg/ergo-platform-668903786361651200)


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The latest Ergo Raffle has concluded, and we are happy to announce that Xeggex (pronounced Zeg-Ex) have secured enough ERG tokens from 59 of our community members to have ERG listed on their exchange! 

Popular PoW miner exchange, Xeggex, secures Ergo listing

As the industry has grown, the need for secure interoperable blockchain infrastructure has become increasingly important. In order for the DeFi sector to truly flourish, decentralization and open source tooling must be the priority. With the launch of Rosen Bridge, we establish a new standard in bridge security with clear open assumptions - _one that has the potential to revolutionize the industry and establish Ergo as a hub for the intersection of multiple blockchains._

Crypto bridges enable cross-chain swaps for the native assets of differing blockchains. Imagine Cardano and/or Ethereum assets on the Ergo Platform. Similarly, one could move Ergo assets from the Ergo blockchain to those networks. This kind of cross-chain interoperability opens the door for multiple blockchains to function in tandem, rather than operate as insulated ecosystems. Additionally, it presents an opportunity for dApp developers to exploit the strengths of multiple blockchain networks to maximize the potential of their product.

Over the last several years, there have been various bridges that offered users the chance to swap differing blockchain assets, but in many of these instances there were serious flaws that led to hacks and stolen funds. So, what makes Rosen Bridge different from previous bridges? 

Built on the time tested and robust security of Ergo’s proof of work protocol, Rosen Bridge’s Ergo-centric logic reduces the attack vector of the bridge because none of the security features are performed on other blockchains. This model offers a new level of security assumption not yet seen in the industry. Previous bridge technology on other blockchains has required that the interacting blockchains execute smart contracts on their respective networks - a scenario that can create multiple attack vectors.

Rosen Bridge is a 2nd layer authentication bridge, meaning that there are two layers of security: watchers and guards. The bridge operates with a two-layer system for added security and efficiency. The first layer consists of Watchers who monitor blockchain networks and report events. Once they reach consensus on an event, they inform the second layer. Here, Guards verify the reported event and execute the necessary transactions for Ergo or ChainX. While Watchers are active in monitoring and consensus building, Guards focus solely on verification and transaction signing. This structure allows scalability without overburdening the Guards. The members of both Watchers and Guards can change over time, enhancing the bridge's security and functionality.

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Image taken from [Rosen Bridge website](https://rosen.tech/). 

Rosen Bridge’s first bridge with Cardano is now live at [rosen.tech](https://rosen.tech/). Bridges for Ethereum, Binance Smart Chain, Bitcoin, and Dogecoin are all planned for the near future, with a design that will permit cross-chain swaps between all of these parties. In other words, Rosen Bridge will allow bridging directly between Ethereum and Cardano, Binance Smart Chain and Dogecoin, Cardano and Bitcoin, etc.

If you are interested in running a Watcher for Rosen Bridge, you can now set up that infrastructure. For a guide on how to do this, please visit the [Rosen Bridge Watcher Tutorial on Youtube](https://youtube.com/playlist?list=PLyQeADPK2PWgztdc9lCvAyqjknPaN9woQ&si=SNYxoZMv2iID610o). If you require any assistance, it is recommended that you submit your queries in the Rosen Bridge Telegram Channel. 

For a technical breakdown of Rosen Bridge, interested parties are encouraged to explore the [Rosen Bridge Github](https://github.com/rosen-bridge) as well as the [Ergo Platform Blog](https://ergoplatform.org/en/blog/Ergo%E2%80%99s-Rosen-Bridge-A-New-and-Better-Way-to-Interact-Cross-Chain/). 


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Interested parties can access the bridge now via the Rosen Bridge website. 

It is officially a new era for transacting between blockchains.

Rosen Bridge Officially Launches on Ergo Mainnet

Valued at $1.6m at the time of writing, this generous gift constitutes 3% of the total SPF supply. Additionally, a similar percentage of Rosen Bridge (RSN)’s total token supply is also expected to be allocated to the EF. This fresh injection of funding will further bolster the Foundation's capacity to promote continued innovation and growth within the Ergo ecosystem.
With an understanding of the delicate balance required to maintain market stability, the Ergo Foundation has committed to a methodical and paced strategic deployment of these assets. 

The Foundation is committed to decentralisation and its goal of passing responsibility to the community. In keeping with this, the EF will allocate a portion of the donated tokens to the Sigmanauts Treasury. The Sigmanauts is an Ergo community group that advocates for the adoption of the Ergo blockchain while promoting Ergo’s values in the larger cryptocurrency space. Members volunteer their time, skills, and resources to deliver on the goals of the group and the larger Ergonaut community. 

This donation marks a significant milestone in the Ergo Foundation's journey. With these additional resources, the Foundation is now in an even stronger position to drive innovation, support projects, and contribute to the evolving landscape of blockchain technology.

The new Ergo Foundation MultiSig wallet can be viewed [at this link](https://ergexplorer.com/addresses#2BggBDgr9n9geTKjCJBCEWMReb2i7wcocw7fjVd3QyM7qFMtmVHyoFr78kChAxGekJxUTZru2aMjyZKcVoPfHX5d12RqNrnEAgzGqUCoJ2zkCiiUURror6NJ6HYyPxxUf5qj5FdQXqJ2zFv1a8U9Lieib59S8mxpE2oLAPt7P5cyngAa5sVEHHKeJrKkpp2yfQH3kshujjPCCc6qv2StJkmbzDTqAcxTpjcB9voMhi1tCybU4ikxSJEoAKmr5mppSfVAB5zSpREYstCVU). If you are interested in contributing to the goals of the EF, we continue to graciously accept any and all donations at that wallet address. 
 


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In a gesture recognizing the spirit of collaboration in the Ergo ecosystem, the Ergo Foundation (EF) has received a significant donation of 30,000,000 Spectrum Finance tokens (SPF).

The Ergo Foundation's Path to a Robust Digital Ecosystem

Greetings, Ergonauts! The Ergo team is excited to announce an incredible opportunity to bring ERG tokens to a broader market with a possible listing on MEXC Exchange - a popular cryptocurrency exchange ranked in the top 10 for volume. To make this a reality, there is an initiative to fundraise $50,000 and we are turning to our dedicated community to help us get there!

## Why MEXC Exchange?

Listing ERG on MEXC would be a significant milestone for Ergo for several reasons:

1. Exposure: MEXC Exchange is one of the leading platforms in the cryptocurrency world with a high trading volume and user base.
2. Credibility: Being listed on a reputable exchange like MEXC adds a layer of trust and credibility to Ergo.
3. Accessibility: It will make ERG more accessible to a broader audience, driving adoption and usage.
4. Liquidity: More trading volume and liquidity for ERG.
5. Advanced Trading Options: MEXC provides futures, options, and other advanced financial instruments that our community has been asking for.

## The Fundraising Goal

- Cost Breakdown: The total cost for the listing is $70,000, of which $50,000 is being raised through this community initiative.
- ERG Valuation: With ERG currently priced at $1.06, approximately 47,170 ERG is needed to reach the goal.
- Deadline: This fundraiser will aim to achieve the goal within the next 60 days.

## How to Contribute
[Please donate by buying tickets at this raffle.](https://ergoraffle.com/raffle/show/4614fcc228a5dc1002323a55850a5bb2089bbfd7d64f471d8f4e864c054d7dc0)

## Let's Do This Together!
This is an exciting time for Ergo and its community. We believe that the strength of a community lies in its ability to be self-reliant. With your help, we can take ERG to new heights. 


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This raffle seeks to fundraise ERG tokens for the Ergo listing on MEXC Exchange, a popular cryptocurrency exchange ranked in the top 10 for volume.

Crowdfunder Announcement: Help Ergo Get Listed on MEXC Exchange