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Minimal implementation of the Mimblewimble protocol.
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hashmap ae3b1da18b Fix issues found by fuzz test (#1330) 
Fuzz test found the folowing issues with reading block header:
* Unbounded cuckou_sizeshift field in Proof
* Different timestamp range after migration to chrono crate
2018-08-09 16:35:46 -07:00
.hooks commit (#1324) 2018-08-07 16:56:38 +01:00
api Fix get outputs call in wallet (#1319) 2018-08-06 12:48:05 -07:00
chain Check content before zip/unzip the txhashset (#1174) 2018-08-02 19:16:16 -07:00
config Make grin.toml config optional (#1278) 2018-07-29 17:48:24 -07:00
core Fix issues found by fuzz test (#1330) 2018-08-09 16:35:46 -07:00
doc Improved basic transaction diagram (#1313) 2018-08-06 11:34:11 -07:00
keychain Bump to 0.3 (#1225) 2018-07-06 18:29:39 +01:00
p2p fix: in case txhashset validation fail, 'TxHashsetDownload' should retry (#1293) (#1322) 2018-08-08 17:14:54 +02:00
pool improve: time crate flagged as deprecated, switch to actively maintained chrono crate (#1297) 2018-07-30 09:33:28 +01:00
servers fix: in case txhashset validation fail, 'TxHashsetDownload' should retry (#1293) (#1322) 2018-08-08 17:14:54 +02:00
src File-based transaction building (#1317) 2018-08-07 11:17:33 -07:00
store Check content before zip/unzip the txhashset (#1174) 2018-08-02 19:16:16 -07:00
util Check content before zip/unzip the txhashset (#1174) 2018-08-02 19:16:16 -07:00
wallet File-based transaction building (#1317) 2018-08-07 11:17:33 -07:00
.editorconfig Add a .editorconfig file 2018-05-07 10:08:55 -04:00
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.travis.yml Make grin.toml config optional (#1278) 2018-07-29 17:48:24 -07:00
Cargo.lock Remove all iron traces (#1309) 2018-08-01 13:58:22 -04:00
Cargo.toml improve: time crate flagged as deprecated, switch to actively maintained chrono crate (#1297) 2018-07-30 09:33:28 +01:00
CODE_OF_CONDUCT.md Many typo fixes (#1158) 2018-06-13 17:03:34 +01:00
CONTRIBUTING.md Cleanup docs before testnet2 (#798) 2018-03-17 18:08:40 +00:00
Dockerfile Add a minimal dockerfile (#1136) 2018-06-05 14:54:06 -04:00
grin.toml Make grin.toml config optional (#1278) 2018-07-29 17:48:24 -07:00
LICENSE Create LICENSE 2017-06-29 09:24:44 -07:00
README.md Many typo fixes (#1158) 2018-06-13 17:03:34 +01:00
rustfmt.toml cannot use write_mode in rustfmt.toml in stable (get rid of the warnings) (#752) 2018-03-05 15:23:52 -05:00

README.md

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Grin

Grin is an in-progress implementation of the MimbleWimble protocol. Many characteristics are still undefined but the following constitutes a first set of choices:

  • Clean and minimal implementation, aiming to stay as such.
  • Follows the MimbleWimble protocol, which provides great anonymity and scaling characteristics.
  • Cuckoo Cycle proof of work.
  • Relatively fast block time (a minute).
  • Fixed block reward over time with a decreasing dilution.
  • Transaction fees are based on the number of Outputs created/destroyed and total transaction size.
  • Smooth curve for difficulty adjustments.

To learn more, read our introduction to MimbleWimble and Grin.

Status

Grin is still an infant, much is left to be done and contributions are welcome (see below). Check our mailing list archives for the latest status.

Contributing

To get involved, read our contributing docs.

Find us:

Getting Started

To learn more about the technology, read our introduction.

To build and try out Grin, see the build docs.

Philosophy

Grin likes itself small and easy on the eyes. It wants to be inclusive and welcoming for all walks of life, without judgement. Grin is terribly ambitious, but not at the detriment of others, rather to further us all. It may have strong opinions to stay in line with its objectives, which doesn't mean disrespect of others' ideas.

We believe in pull requests, data and scientific research. We do not believe in unfounded beliefs.

Credits

Tom Elvis Jedusor for the first formulation of MimbleWimble.

Andrew Poelstra for his related work and improvements.

John Tromp for the Cuckoo Cycle proof of work.

J.K. Rowling for making it despite extraordinary adversity.

License

Apache License v2.0.