> For the complete documentation index, see [llms.txt](https://moss-6.gitbook.io/moss/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://moss-6.gitbook.io/moss/offerings/cross-chain-message.md).
# Cross-chain Message
**Moss Platform** leverages cutting-edge technologies such as end-to-end encryption, smart contracts, cross-chain relays, Zero Knowledge Proofs (ZK), and decentralized storage to offer an unparalleled layer of security and privacy in information and asset exchanges. Our robust framework ensures absolute data confidentiality, preventing anyone, including the **Moss** team, from accessing user data. This reaffirms your total control and proprietary rights over your information.
Additionally, **Moss Platform** facilitates seamless information interactions across networks with both Web3 and Web2 email addresses, such as Gmail and ProtonMail. This pivotal innovation addresses a critical communication challenge within the Web3 infrastructure, providing users, developers, and Key Opinion Leaders (KOLs) with an experience that is not only secure and private but also fully anonymous.
**Sending and Receiving Protocols**:
* **NFT Domain and Default Wallet Address**: In Web3 message transmissions using **Moss**, if the recipient's address is an NFT Domain or a default wallet address, a stringent dual verification process is initiated. This requires the sender to accurately input both the account and the Principal ID (PID), ensuring a unique and secure match. This robust verification system is designed to mitigate spam and unsolicited messages.
* **Decentralized Identifiers (DIDs)**: **Moss** presently supports over 20 leading DID domains. You have the flexibility to designate your owned DIDs as your email addresses. When a message is sent to a DID, it reaches the recipient's inbox if that DID is active. In cases where the DID is not yet activated, the message is securely stored in the inbox, awaiting the recipient to activate or log in with the specified DID.
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