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BSIM

A Bitcoin Secured Instant Messaging Protocol

Purpose

This protocol aims at creating a set of rules for an Peer-to-Peer Instant Message exchange system secured by Bitcoin transactions.

Mechanisms

Account creation

An account is just a Bitcoin Address that has a locking vOut. The amount and the time-lock period is chosen by the person creating it.

1 - Search for a contact

To initiate a chat one must find the Onion Address related to the Bitcoin Address of the contact. This is done searching a DHT. If any peer has the Onion Address from this account you can initiate the chat directly to the contact.

2 - Checking minimum lock

The client has to check that the amount time-locked by the peer initiating the chat satisfies the minimums set in the client. If this check is positive, the chat can be initialized.

Secure Messages

All the messages use a Public - Private Key Cryptography. The user sending the message encodes it using the other peer Public Key. The user receiving the message can decode it using it's Private Key.

Contributing

Please read CONTRIBUTING.md for details on our code of conduct, and the process for submitting pull requests to us.

Versioning

We use SemVer for versioning. For the versions available, see the tags on this repository.

Authors

  • Níckolas Goline - Initial work - nGoline

See also the list of contributors who participated in this project.

License

This project is licensed under the MIT License - see the LICENSE.md file for details

Acknowledgments

  • Hat tip to anyone whose code was used
  • Inspiration
  • etc

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Bitcoin Secured Instant Messaging Protocol

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