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https://github.com/ElementsProject/elements

Open Source implementation of advanced blockchain features extending the Bitcoin protocol
https://github.com/ElementsProject/elements

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Open Source implementation of advanced blockchain features extending the Bitcoin protocol

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README 

        
Elements Project blockchain platform

====================================



[![Build Status](https://travis-ci.org/ElementsProject/elements.svg?branch=master)](https://travis-ci.org/ElementsProject/elements)



https://elementsproject.org



This is the integration and staging tree for the Elements blockchain platform,

a collection of feature experiments and extensions to the Bitcoin protocol.

This platform enables anyone to build their own businesses or networks

pegged to Bitcoin as a sidechain or run as a standalone blockchain with arbitrary asset tokens.



Modes

-----



Elements supports a few different pre-set chains for syncing. Note though some are intended for QA and debugging only:



* Liquid mode: `elementsd -chain=liquidv1` (syncs with Liquid network)

* Bitcoin mainnet mode: `elementsd -chain=main` (not intended to be run for commerce)

* Bitcoin testnet mode: `elementsd -chain=testnet3`

* Bitcoin regtest mode: `elementsd -chain=regtest`

* Elements custom chains: Any other `-chain=` argument. It has regtest-like default parameters that can be over-ridden by the user by a rich set of start-up options.



Confidential Assets

----------------

The latest feature in the Elements blockchain platform is Confidential Assets,

the ability to issue multiple assets on a blockchain where asset identifiers

and amounts are blinded yet auditable through the use of applied cryptography.



 * [Announcement of Confidential Assets](https://blockstream.com/2017/04/03/blockstream-releases-elements-confidential-assets.html)

 * [Confidential Assets Whitepaper](https://blockstream.com/bitcoin17-final41.pdf) to be presented [April 7th at Financial Cryptography 2017](http://fc17.ifca.ai/bitcoin/schedule.html) in Malta

 * [Confidential Assets Tutorial](contrib/assets_tutorial/assets_tutorial.py)

 * [Confidential Assets Demo](https://github.com/ElementsProject/confidential-assets-demo)

 * [Elements Code Tutorial](https://elementsproject.org/elements-code-tutorial/overview) covering blockchain configuration and how to use the main features.



Features of the Elements blockchain platform

----------------



Compared to Bitcoin itself, it adds the following features:

 * [Confidential Assets][asset-issuance]

 * [Confidential Transactions][confidential-transactions]

 * [Federated Two-Way Peg][federated-peg]

 * [Signed Blocks][signed-blocks]

 * [Additional opcodes][opcodes]



Previous elements that have been integrated into Bitcoin:

 * Segregated Witness

 * Relative Lock Time



Elements deferred for additional research and standardization:

 * [Schnorr Signatures][schnorr-signatures]



Additional RPC commands and parameters:

* [RPC Docs](https://elementsproject.org/en/doc/)



The CI (Continuous Integration) systems make sure that every pull request is built for Windows, Linux, and macOS,

and that unit/sanity tests are run automatically.



License

-------

Elements is released under the terms of the MIT license. See [COPYING](COPYING) for more

information or see http://opensource.org/licenses/MIT.



[confidential-transactions]: https://elementsproject.org/features/confidential-transactions

[opcodes]: https://elementsproject.org/features/opcodes

[federated-peg]: https://elementsproject.org/features#federatedpeg

[signed-blocks]: https://elementsproject.org/features#signedblocks

[asset-issuance]: https://elementsproject.org/features/issued-assets

[schnorr-signatures]: https://elementsproject.org/features/schnorr-signatures



What is the Elements Project?

-----------------

Elements is an open source, sidechain-capable blockchain platform. It also allows experiments to more rapidly bring technical innovation to the Bitcoin ecosystem.



Learn more on the [Elements Project website](https://elementsproject.org)



https://github.com/ElementsProject/elementsproject.github.io



Secure Reporting

------------------

See [our vulnerability reporting guide](SECURITY.md)