# Research

**URL:** https://forum.grin.mw/c/research/11.md?page=3

[Latest](https://forum.grin.mw/latest.md) · [Categories](https://forum.grin.mw/categories.md)

**Page:** 4

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## [Proving a 'subset of transaction' was inserted in some specific block (and output is connected to an anchor)](https://forum.grin.mw/t/proving-a-subset-of-transaction-was-inserted-in-some-specific-block-and-output-is-connected-to-an-anchor/7552)

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**Author:** [@oryhp](https://forum.grin.mw/u/oryhp)\
**Replies:** 1\
**Last updated:** [July 20, 2020, 10:36am UTC](https://forum.grin.mw/t/proving-a-subset-of-transaction-was-inserted-in-some-specific-block-and-output-is-connected-to-an-anchor/7552 "2020-07-20T10:36:01Z")

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Edit: I’ve tried to capture the whole idea here https://gist.github.com/phyro/ef42ce95cfbad05964f8be2f5d8f9466 Say we have a transaction T and we want to prove it was added in block B. We can do that by either: Checki…

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## [Mimblewimble Defi and Confidential assets](https://forum.grin.mw/t/mimblewimble-defi-and-confidential-assets/7509)

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**Author:** [@Spartakus](https://forum.grin.mw/u/Spartakus)\
**Replies:** 2\
**Last updated:** [July 5, 2020, 1:23pm UTC](https://forum.grin.mw/t/mimblewimble-defi-and-confidential-assets/7509 "2020-07-05T13:23:42Z")

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i saw a medium post about Beam s Defi and Confidental assets…What do you think about it? How far we are from those subjects?

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## [Coinbase outputs as Transaction outputs](https://forum.grin.mw/t/coinbase-outputs-as-transaction-outputs/7441)

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**Author:** [@oryhp](https://forum.grin.mw/u/oryhp)\
**Replies:** 38\
**Last updated:** [July 5, 2020, 10:53am UTC](https://forum.grin.mw/t/coinbase-outputs-as-transaction-outputs/7441 "2020-07-05T10:53:43Z")

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Disclaimer: I’m not familiar with the code implementation so this builds from some random facts that were shared over time on keybase. Right now the coinbase outputs and kernels are labeled as Coinbase which can be seen…

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## [Aggregating BLS signatures](https://forum.grin.mw/t/aggregating-bls-signatures/7480)

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**Author:** [@Kurt](https://forum.grin.mw/u/Kurt)\
**Replies:** 1\
**Last updated:** [June 28, 2020, 11:06am UTC](https://forum.grin.mw/t/aggregating-bls-signatures/7480 "2020-06-28T11:06:25Z")

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Most of the different discussions in the community on BLS included BLS aggregation with a same message for individual signatures. This scheme is subject to attack, and would likely not be secure for GRIN. But in a paper…

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## [Drago: a decentralized coin mixer!](https://forum.grin.mw/t/drago-a-decentralized-coin-mixer/7472)

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**Author:** [@RBCHI](https://forum.grin.mw/u/RBCHI)\
**Replies:** 0\
**Last updated:** [June 24, 2020, 2:34am UTC](https://forum.grin.mw/t/drago-a-decentralized-coin-mixer/7472 "2020-06-24T02:34:06Z")

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Well,this is a coin join proposal on CKB which is a permissionless blockchain which adopts generalized UTXO model. The mixer called Drago using Ring-Sig on the programming model and also have some design philosophy like…

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## [ObscuroJoin transaction](https://forum.grin.mw/t/obscurojoin-transaction/7318)

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**Author:** [@oryhp](https://forum.grin.mw/u/oryhp)\
**Replies:** 8\
**Last updated:** [May 19, 2020, 6:52pm UTC](https://forum.grin.mw/t/obscurojoin-transaction/7318 "2020-05-19T18:52:34Z")

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I’ve been thinking about ways to obfuscate a transaction before it is broadcasted. Many months ago, I came up with a decoy system that I never publicly shared because it was bloating the chain with kernels. I think I hav…

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## [Flyclient Paper](https://forum.grin.mw/t/flyclient-paper/4300)

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**Author:** [@antioch](https://forum.grin.mw/u/antioch)\
**Replies:** 10\
**Last updated:** [May 8, 2020, 9:58am UTC](https://forum.grin.mw/t/flyclient-paper/4300 "2020-05-08T09:58:59Z")

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Flyclient: Super-Light Clients for Cryptocurrencies https://eprint.iacr.org/2019/226

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## [Security of EC pairings / BLS sigs](https://forum.grin.mw/t/security-of-ec-pairings-bls-sigs/7284)

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**Author:** [@DrazenV](https://forum.grin.mw/u/DrazenV)\
**Replies:** 1\
**Last updated:** [May 1, 2020, 3:38pm UTC](https://forum.grin.mw/t/security-of-ec-pairings-bls-sigs/7284 "2020-05-01T15:38:01Z")

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I copy a report I made about a year ago on the concrete security of BLS signatures. Some recent work, like the following paper, is not included there: https://hal.inria.fr/hal-02396352/document The citations here are …

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## [Recursive proofs / Halo & friends etc](https://forum.grin.mw/t/recursive-proofs-halo-friends-etc/7286)

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**Author:** [@lehnberg](https://forum.grin.mw/u/lehnberg)\
**Replies:** 0\
**Last updated:** [April 30, 2020, 1:07pm UTC](https://forum.grin.mw/t/recursive-proofs-halo-friends-etc/7286 "2020-04-30T13:07:35Z")

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Creating a thread and posting the latest paper for asynchronous discussion purposes. Proof-Carrying Data from Accumulation Schemes Benedikt Bünz and Alessandro Chiesa and Pratyush Mishra and Nicholas Spooner https://e…

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## [BLS pink research](https://forum.grin.mw/t/bls-pink-research/6780)

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**Author:** [@oryhp](https://forum.grin.mw/u/oryhp)\
**Replies:** 3\
**Last updated:** [April 28, 2020, 3:15pm UTC](https://forum.grin.mw/t/bls-pink-research/6780 "2020-04-28T15:15:40Z")

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In February, github user GandalfThePink linked a document describing an idea of how to use BLS in a way to retain scriptless scripts and enable user-issued assets. Did anyone with a background in cryptography go through …

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## [The Mysterious Meaning Behind the Name of Grin Founder Ignotus Peverell](https://forum.grin.mw/t/the-mysterious-meaning-behind-the-name-of-grin-founder-ignotus-peverell/5702)

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**Author:** [@minexpert](https://forum.grin.mw/u/minexpert)\
**Replies:** 4\
**Last updated:** [April 6, 2020, 9:28am UTC](https://forum.grin.mw/t/the-mysterious-meaning-behind-the-name-of-grin-founder-ignotus-peverell/5702 "2020-04-06T09:28:30Z")

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Hello guys, I’ve been doing research on Grin coin and Ignotus Peverell for a long time. I discovered something… If you wonder, you can read. Article link; https://link.medium.com/PRXEmQEQIY Twitter link; https://twitte…

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## [Fork to temp-adresses](https://forum.grin.mw/t/fork-to-temp-adresses/7165)

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**Author:** [@xx00sxs0x](https://forum.grin.mw/u/xx00sxs0x)\
**Replies:** 2\
**Last updated:** [March 23, 2020, 7:34pm UTC](https://forum.grin.mw/t/fork-to-temp-adresses/7165 "2020-03-23T19:34:01Z")

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I will leave here my suggestion on grin. Just fork it to a new coin with temp-adresses on the protocol level and forget about the complicated things… I’m not a technical guy and I will not be able to do this but I hope s…

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## [Erlay: Bandwidth-Efficient Transaction Relay in Bitcoin](https://forum.grin.mw/t/erlay-bandwidth-efficient-transaction-relay-in-bitcoin/5081)

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**Author:** [@lehnberg](https://forum.grin.mw/u/lehnberg)\
**Replies:** 6\
**Last updated:** [March 6, 2020, 3:44pm UTC](https://forum.grin.mw/t/erlay-bandwidth-efficient-transaction-relay-in-bitcoin/5081 "2020-03-06T15:44:36Z")

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Paper by G. Naumenko, G. Maxwell, P. Wuille Abstract: Bitcoin is a top-ranked cryptocurrency that has experienced huge growth and survived numerous attacks. The protocols making up Bitcoin must therefore accommodate the…

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## [ComSig Signature for Mimblewimble Non-Interactive Transaction](https://forum.grin.mw/t/comsig-signature-for-mimblewimble-non-interactive-transaction/6976)

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**Author:** [@gary](https://forum.grin.mw/u/gary)\
**Replies:** 0\
**Last updated:** [January 22, 2020, 3:17am UTC](https://forum.grin.mw/t/comsig-signature-for-mimblewimble-non-interactive-transaction/6976 "2020-01-22T03:17:38Z")

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Notes: This was known as part of Proof-Of-Knowledge, as showed in the document in related works part and in the references. This signature is bigger than standard Schnorr signature, 96 bytes instead of 64 bytes. Beca…

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## [Blockgraph Discussion](https://forum.grin.mw/t/blockgraph-discussion/6974)

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**Author:** [@shush](https://forum.grin.mw/u/shush)\
**Replies:** 0\
**Last updated:** [January 21, 2020, 8:11pm UTC](https://forum.grin.mw/t/blockgraph-discussion/6974 "2020-01-21T20:11:58Z")

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Without much research or a white paper, I’d like to initialize a conversation concerning an alternative data structure to blockchain, dubbed “blockgraph”. A blockchain is a linked listed of blocks; a block is a verifica…

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## [36c3 talks relevant to Grin](https://forum.grin.mw/t/36c3-talks-relevant-to-grin/6852)

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**Author:** [@lehnberg](https://forum.grin.mw/u/lehnberg)\
**Replies:** 0\
**Last updated:** [January 3, 2020, 9:49am UTC](https://forum.grin.mw/t/36c3-talks-relevant-to-grin/6852 "2020-01-03T09:49:38Z")

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Post your favourite talks from 36c3 that you think could be interesting in the context of Grin in this thread! I’ll start it off with Moxie Marlinspike: The ecosystem is moving https://peertube.co.uk/videos/watch/12be…

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## [Bitcoin Sunset Grin Sunrise(minexpert)](https://forum.grin.mw/t/bitcoin-sunset-grin-sunrise-minexpert/6455)

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**Author:** [@minexpert](https://forum.grin.mw/u/minexpert)\
**Replies:** 8\
**Last updated:** [November 12, 2019, 9:16pm UTC](https://forum.grin.mw/t/bitcoin-sunset-grin-sunrise-minexpert/6455 "2019-11-12T21:16:13Z")

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Hello guys! My new article is here; About; Under the heading of Evolution of Money, this article will show you the secret information you have never heard of in the background of State currencies, Bitcoin and Grin coin…

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## [Is there a \*potential\* Hidden Inflation Problem with all MW coins?](https://forum.grin.mw/t/is-there-a-potential-hidden-inflation-problem-with-all-mw-coins/6400)

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**Author:** [@shush](https://forum.grin.mw/u/shush)\
**Replies:** 3\
**Last updated:** [November 4, 2019, 5:27pm UTC](https://forum.grin.mw/t/is-there-a-potential-hidden-inflation-problem-with-all-mw-coins/6400 "2019-11-04T17:27:20Z")

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I’m opening the thread to attribute discussion towards the Hidden Inflation Problem. Any ideas previously discussed on the subject would be link-worthy here. The first question I have regarding this problem: Is there an…

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## [The number of trimming rounds estimation](https://forum.grin.mw/t/the-number-of-trimming-rounds-estimation/6110)

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**Author:** [@Jack](https://forum.grin.mw/u/Jack)\
**Replies:** 4\
**Last updated:** [October 7, 2019, 11:42am UTC](https://forum.grin.mw/t/the-number-of-trimming-rounds-estimation/6110 "2019-10-07T11:42:45Z")

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Hello, I’ve red the article “Cuckoo Cycle: a memory bound graph-theoretic proof-of-work” but haven’t understand sentence:“The number of trimming rounds, which can be set with option -n, defaults to 1+(B+3)\*(B+4)=2, whic…

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## [Secure Scuttlebut principles for tx building](https://forum.grin.mw/t/secure-scuttlebut-principles-for-tx-building/6143)

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**Author:** [@lehnberg](https://forum.grin.mw/u/lehnberg)\
**Replies:** 4\
**Last updated:** [September 30, 2019, 9:49am UTC](https://forum.grin.mw/t/secure-scuttlebut-principles-for-tx-building/6143 "2019-09-30T09:49:05Z")

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NOTE: Experimental thought. Is NOT meant to detract from the ongoing explorations of TOR. What’s Secure Scuttlebut? It’s a “protocol for building decentralized applications that work well offline and that no one person…

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## [Mimblewimble/Lelantus Hybrid Protocol](https://forum.grin.mw/t/mimblewimble-lelantus-hybrid-protocol/6077)

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**Author:** [@God](https://forum.grin.mw/u/God)\
**Replies:** 2\
**Last updated:** [September 16, 2019, 12:46pm UTC](https://forum.grin.mw/t/mimblewimble-lelantus-hybrid-protocol/6077 "2019-09-16T12:46:08Z")

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Consider researching Lelantus. Specifically Lelantus 1 instead of 2.

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## [RandomX Audits Results](https://forum.grin.mw/t/randomx-audits-results/5828)

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**Author:** [@0xb100d](https://forum.grin.mw/u/0xb100d)\
**Replies:** 3\
**Last updated:** [August 11, 2019, 8:08pm UTC](https://forum.grin.mw/t/randomx-audits-results/5828 "2019-08-11T20:08:09Z")

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Progress for ASIC resistant RandomX, to possibly be implemented by Monero. https://ostif.org/four-audits-of-randomx-for-monero-and-arweave-have-been-completed-results/

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## [Quisquis - A New Design for Anonymous Cryptocurrencies](https://forum.grin.mw/t/quisquis-a-new-design-for-anonymous-cryptocurrencies/5637)

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**Author:** [@kargakis](https://forum.grin.mw/u/kargakis)\
**Replies:** 5\
**Last updated:** [July 22, 2019, 8:25am UTC](https://forum.grin.mw/t/quisquis-a-new-design-for-anonymous-cryptocurrencies/5637 "2019-07-22T08:25:06Z")

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We present Quisquis, a standalone anonymous cryptocurrency that resolves the limitations outlined above for existing solutions. In particular, users are able to form transactions on their own, so do not need to wait for …

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## [The founder of Bitcoin, Satoshi Nakamoto appeared with Grin many years later ?](https://forum.grin.mw/t/the-founder-of-bitcoin-satoshi-nakamoto-appeared-with-grin-many-years-later/5641)

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**Author:** [@minexpert](https://forum.grin.mw/u/minexpert)\
**Replies:** 0\
**Last updated:** [July 21, 2019, 12:28pm UTC](https://forum.grin.mw/t/the-founder-of-bitcoin-satoshi-nakamoto-appeared-with-grin-many-years-later/5641 "2019-07-21T12:28:00Z")

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Hello guys. I m minexpert on twitter and instagram. This is my first medium article about Grin. Title; The founder of Bitcoin, Satoshi Nakamoto appeared with Grin many years later ? https://link.medium.com/hvouOg39uY …

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## [Network Analysis Attacks](https://forum.grin.mw/t/network-analysis-attacks/5157)

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**Author:** [@AlienablePleat](https://forum.grin.mw/u/AlienablePleat)\
**Replies:** 4\
**Last updated:** [June 11, 2019, 7:09pm UTC](https://forum.grin.mw/t/network-analysis-attacks/5157 "2019-06-11T19:09:50Z")

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I am looking to see what the landscape looks for a few private currencies. I’m looking to see if a network analysis attack is possible on a grin user? If I send grin, could an attacker (if they were monitoring my traffi…

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## ["Elder" Payment Channels](https://forum.grin.mw/t/elder-payment-channels/5029)

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**Author:** [@antioch](https://forum.grin.mw/u/antioch)\
**Replies:** 3\
**Last updated:** [May 22, 2019, 4:28pm UTC](https://forum.grin.mw/t/elder-payment-channels/5029 "2019-05-22T16:28:16Z")

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Posted this to https://gitter.im/grin\_community/crypto earlier but posting it here for a wider audience. Nobody there pointed out any glaring errors why this is obviously flawed so please take a look and poke some holes…

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## [3-color e-ink for price tags, now comes in yellow](https://forum.grin.mw/t/3-color-e-ink-for-price-tags-now-comes-in-yellow/4721)

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**Author:** [@Grin1](https://forum.grin.mw/u/Grin1)\
**Replies:** 1\
**Last updated:** [April 4, 2019, 7:35am UTC](https://forum.grin.mw/t/3-color-e-ink-for-price-tags-now-comes-in-yellow/4721 "2019-04-04T07:35:55Z")

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I like this as an option for displaying price information using Grin in retail environments. The three color display now has a yellow option that is ideal for grin intergration.

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## [Financial tools built for Grin](https://forum.grin.mw/t/financial-tools-built-for-grin/4265)

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**Author:** [@cfleeac](https://forum.grin.mw/u/cfleeac)\
**Replies:** 21\
**Last updated:** [March 30, 2019, 2:15am UTC](https://forum.grin.mw/t/financial-tools-built-for-grin/4265 "2019-03-30T02:15:16Z")

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Hey Grinners, Here is a small team of college developers also happen to be grin fans. We have been looking Grin for few months and no doubt we are really interested in it. We recently started to do research on topics l…

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## [Relevant Research aka Firehose Fishing](https://forum.grin.mw/t/relevant-research-aka-firehose-fishing/182)

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**Author:** [@0xb100d](https://forum.grin.mw/u/0xb100d)\
**Replies:** 7\
**Last updated:** [March 20, 2019, 7:36pm UTC](https://forum.grin.mw/t/relevant-research-aka-firehose-fishing/182 "2019-03-20T19:36:36Z")

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In the words of one of our top firemen (or arsonists?), yeastplume, "keeping up with all of the tech coming out that’s relevant to Grin/MW is like drinking from a firehose… " This was in response to the Dandelion BIP, a…

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## [Lightning Network Interoperability via Submarine Swaps](https://forum.grin.mw/t/lightning-network-interoperability-via-submarine-swaps/4397)

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**Author:** [@rodarmor](https://forum.grin.mw/u/rodarmor)\
**Replies:** 1\
**Last updated:** [March 12, 2019, 3:10am UTC](https://forum.grin.mw/t/lightning-network-interoperability-via-submarine-swaps/4397 "2019-03-12T03:10:36Z")

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If the Bitcoin Lightning Network starts getting significant adoption, Grin may have difficulty competing, even with its privacy and scaling advantages. Grin is missing a few primitives needed for an efficient lightning …

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