> For the complete documentation index, see [llms.txt](https://docs.pancakeswap.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.pancakeswap.finance/italian/scambia/crosschain-swaps/copy-of-swap-scenarios.md).

# Copia degli Scenari di Swap

Esistono 4 scenari per le transazioni Cross-chain.

#### 1️⃣ Solo Bridge

* Esempio: **Bridge ETH su Base verso ETH su Arbitrum**
* Solo i token supportati (USDC, USDT, WETH, ecc.) possono essere trasferiti direttamente tramite Bridge. Questi token variano a seconda della chain di origine e destinazione.

**Token supportati per il Bridging tramite Across**

| Chain       | USDC | USDT | WETH | ETH | CAKE | DAI | BAL | POOL | WBTC |
| ----------- | :--: | :--: | :--: | :-: | :--: | :-: | :-: | :--: | :--: |
| ARB <> BNB  |   ✅  |   ❌  |   ✅  |  ✅  |   ❌  |  ❌  |  ❌  |   ❌  |   ❌  |
| BASE <> BNB |   ✅  |   ✅  |   ✅  |  ✅  |   ❌  |  ❌  |  ❌  |   ❌  |   ❌  |
| ARB <> BASE |   ✅  |   ❌  |   ✅  |  ✅  |   ❌  |  ✅  |  ✅  |   ✅  |   ❌  |
| ETH <> BNB  |   ✅  |   ✅  |   ✅  |  ✅  |   ✅  |  ❌  |  ❌  |   ❌  |   ❌  |
| ETH <> BASE |   ✅  |   ✅  |   ✅  |  ✅  |   ❌  |  ✅  |  ✅  |   ✅  |   ❌  |
| ETH <> ARB  |   ✅  |   ❌  |   ✅  |  ✅  |   ❌  |  ✅  |  ✅  |   ✅  |   ✅  |

#### 2️⃣ Swap → Bridge

* Esempio: **Swap BNB su BNB Chain verso USDC su Arbitrum**
* Swap BNB verso un token Bridge supportato (es. USDC) utilizzando i pool PancakeSwap su BNB Chain
* Bridge USDC tramite Across verso Arbitrum

#### 3️⃣ Bridge → Swap

* Esempio: **Swap USDC su BNB Chain verso ARB su Arbitrum**
* Bridge USDC tramite Across
* Swap USDC → ARB utilizzando i pool PancakeSwap su Arbitrum

#### 4️⃣ Swap → Bridge → Swap

* Esempio: **Swap BNB su BNB Chain verso ARB su Arbitrum**
* Swap BNB verso un token Bridge (massimizzando l'output per l'utente)
* Bridge tramite Across
* Swap del token con Bridge verso ARB su Arbitrum utilizzando i pool PancakeSwap

***

### ⚠️ Casi di Fallimento

| Scenario                                        | Risultato                                                                                                                                                                                            |
| ----------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Fallimento Swap/Tx sulla Chain di Origine**   | L'utente riceve immediatamente il token originale sulla chain di origine                                                                                                                             |
| **Fallimento Transazione Bridge**               | Across elabora un rimborso entro 90 minuti - 2 ore, e l'utente riceve l'asset con Bridge sulla chain di origine. Relay invece elabora il rimborso in circa un minuto in tali scenari tra SOL <> EVM. |
| **Fallimento Swap sulla Chain di Destinazione** | L'utente riceve l'asset con Bridge sulla chain di destinazione                                                                                                                                       |


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