> For the complete documentation index, see [llms.txt](https://docs.extrachain.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.extrachain.io/overview/comparison-table.md).

# Comparison Table

| **Feature**                                                                                                    | **Blockchain Messenger**                                                                              | **Distributed Storage Messenger** |
| -------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------- | --------------------------------- |
| Fast account creation                                                                                          | **YES**                                                                                               | **YES**                           |
| No personal data required (phone number, e-mail, phone book)                                                   | <p><strong>NO</strong></p><p><strong>(some products have integration with personal data)</strong></p> | **YES**                           |
| IP address not exposed                                                                                         | **YES**                                                                                               | **YES**                           |
| Strong encryption (ECIES algorithm protection)                                                                 | <p><strong>NO</strong></p><p><strong>(some products have weaker encryption algorithms)</strong></p>   | **YES**                           |
| MiTM attack not possible (ECDSA protection)                                                                    | **YES**                                                                                               | **YES**                           |
| Message order is unchangeable                                                                                  | **YES**                                                                                               | **YES**                           |
| Messages cannot be completely removed from data storage                                                        | **YES**                                                                                               | **YES**                           |
| Consensus message integrity check                                                                              | **YES**                                                                                               | **YES**                           |
| Messages cannot be censored                                                                                    | **YES**                                                                                               | **YES**                           |
| Full access from any devices if user has keys                                                                  | **YES**                                                                                               | **YES**                           |
| All data is stored in distributed network (you have no need to store data locally)                             | **YES**                                                                                               | **YES**                           |
| File changelog (blockchain-based)                                                                              | **NO**                                                                                                | **YES**                           |
| Messages can be deleted for user, but stored in history of chat                                                | **NO**                                                                                                | **YES**                           |
| History is accessible only for chat participants                                                               | **NO**                                                                                                | **YES**                           |
| Blockchain is not overflowed by messages transactions (this approach speeds up message distribution for users) | **NO**                                                                                                | **YES**                           |
| Zero-proof for messages                                                                                        | **NO**                                                                                                | **YES**                           |

As we can see, Distributed Storage Messenger offers more secured, controlled by participants and reliable approach for decentralized data exchange systems and networks.