# Guides

- [Quick Start](https://docs.o3.app/guides/quick-start.md)
- [How to Download O3 Cross-Chain Wallet](https://docs.o3.app/guides/quick-start/how-to-download-o3-cross-chain-wallet.md)
- [How to Create an O3 Cross-Chain Wallet](https://docs.o3.app/guides/quick-start/how-to-create-an-o3-cross-chain-wallet.md)
- [Private Key / Secret Recovery Phrase / Keystore](https://docs.o3.app/guides/quick-start/private-key-secret-recovery-phrase-keystore.md)
- [How to Backup Your Wallet Safely\Properly](https://docs.o3.app/guides/quick-start/how-to-backup-your-wallet-safely-properly.md)
- [How to Import Different Wallets](https://docs.o3.app/guides/quick-start/how-to-import-different-wallets.md)
- [How to Switch Between EVM-Chains](https://docs.o3.app/guides/quick-start/how-to-switch-between-evm-chains.md)
- [How to Add Custom Networks](https://docs.o3.app/guides/quick-start/how-to-add-custom-networks.md)
- [How to Switch Wallet Network to BNB and OKC Chain](https://docs.o3.app/guides/quick-start/how-to-switch-wallet-network-to-bnb-and-okc-chain.md)
- [How to Import Assets from Other Wallets to O3 Cross-Chain Wallet](https://docs.o3.app/guides/quick-start/how-to-import-assets-from-other-wallets-to-o3-cross-chain-wallet.md)
- [Manage Your Crypto Assets](https://docs.o3.app/guides/manage-your-crypto-assets.md)
- [What is My Wallet Address?](https://docs.o3.app/guides/manage-your-crypto-assets/what-is-my-wallet-address.md)
- [How to Add/Manage Assets](https://docs.o3.app/guides/manage-your-crypto-assets/how-to-add-manage-assets.md)
- [How to Send/Receive?](https://docs.o3.app/guides/manage-your-crypto-assets/how-to-send-receive.md)
- [How to Set Up Fingerprint Recognition/Face ID?](https://docs.o3.app/guides/manage-your-crypto-assets/how-to-set-up-fingerprint-recognition-face-id.md)
- [What is Gas?](https://docs.o3.app/guides/manage-your-crypto-assets/what-is-gas.md)
- [What is EIP-1559?](https://docs.o3.app/guides/manage-your-crypto-assets/what-is-eip1559.md)
- [What is Data？](https://docs.o3.app/guides/manage-your-crypto-assets/what-is-data.md)
- [How to collect dApps？](https://docs.o3.app/guides/manage-your-crypto-assets/how-to-collect-dapps.md)
- [Swap](https://docs.o3.app/guides/swap.md): Handheld Cross-Chain DEX Aggregator. Asset Management, Swap, Bridge, Gas Station... All in O3 cross-chain wallet!
- [How do I cross chain in O3 cross-chain wallet?](https://docs.o3.app/guides/swap/how-do-i-cross-chain-in-o3-cross-chain-wallet.md)
- [How to check real-time cross-chain progress and historical transactions?](https://docs.o3.app/guides/swap/how-to-check-real-time-cross-chain-progress-and-historical-transactions.md)
- [How to set the slippage and transaction time limit?](https://docs.o3.app/guides/swap/how-to-set-the-slippage-and-transaction-time-limit.md)
- [Wallet Q\&A](https://docs.o3.app/guides/wallet-q-and-a.md)


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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.