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# zcash_mmr
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Special implementation of merkle mountain ranges (MMR) for ZCash!
[](https://travis-ci.org/NikVolf/zcash-mmr)
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The main design goals of this mmr implementation are
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- Allow zero-cache and avoid db callbacks. As it is implemented, calling side must just smartly pre-load MMR nodes from the database (about log2(tree length) for append, twice as much for deletion).
- Reuse as much logic between rust and c++ clients and place it here and librustzcash.
- Close to zero memory consumption.
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# License
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`zcash_mmr` is primarily distributed under the terms of both the MIT
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license and the Apache License (Version 2.0), at your choice.
See LICENSE-APACHE, and LICENSE-MIT for details.
### Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted
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for inclusion in `zcash_mmr` by you, as defined in the Apache-2.0 license, shall be
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dual licensed as above, without any additional terms or conditions.
