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Minimal implementation of the Mimblewimble protocol.
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Antioch Peverell 1df409fa69
verify coinbase maturity via output_mmr_size (#1203) 
* we do not need Merkle proofs to spend coinbase outputs
we only need the output_mmr_size from the block header

* tests working with no Merkle proofs in inputs
2018-06-28 21:56:07 -04:00
.hooks Make pre-commit more portable (#993) 2018-04-22 08:33:58 -04:00
api T3 Wallet Restore fix and refactor (#1202) 2018-06-26 18:24:40 +01:00
chain verify coinbase maturity via output_mmr_size (#1203) 2018-06-28 21:56:07 -04:00
config [consensus breaking] New Improved Merkle Proofs (#1119) 2018-06-20 15:18:52 -04:00
core verify coinbase maturity via output_mmr_size (#1203) 2018-06-28 21:56:07 -04:00
doc document kernel offsets (finally) (#1197) 2018-06-25 16:14:48 -04:00
keychain Kernel sum and MMR sizes in block header (#1163) 2018-06-21 02:30:22 +01:00
p2p Wallet LMDB backend (#1151) 2018-06-22 09:08:06 +01:00
pool verify coinbase maturity via output_mmr_size (#1203) 2018-06-28 21:56:07 -04:00
servers Remove redundant hashing of header before proof of work (#1118) 2018-06-22 22:59:56 +01:00
src fixes to wallet based on testing, ensure details file is being written properly for file wallet (#1204) 2018-06-27 16:57:40 +01:00
store implement prune_list as a bitmap (#1179) (#1206) 2018-06-28 20:53:00 -04:00
util Use updated bulletproof API (#1194) 2018-06-25 12:28:56 +01:00
wallet verify coinbase maturity via output_mmr_size (#1203) 2018-06-28 21:56:07 -04:00
.editorconfig Add a .editorconfig file 2018-05-07 10:08:55 -04:00
.gitignore add test_output to .gitignore (#1092) 2018-05-25 21:34:49 -04:00
.gitlab-ci.yml Add gitlab ci config (#860) 2018-03-25 17:41:49 +00:00
.travis.yml As per Travis CI advice trying sudo builds 2018-06-20 17:11:13 +01:00
Cargo.lock implement prune_list as a bitmap (#1179) (#1206) 2018-06-28 20:53:00 -04:00
Cargo.toml fix build warning as per warning text (#1199) 2018-06-26 09:03:37 -04:00
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 Web wallet api updates (#1155) 2018-06-11 18:19:38 +01:00
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.