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1  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For Highly-Confidential Transactions 🔏 on: January 27, 2018, 04:42:36 PM
DMCA Takedown to Sumokoin Github

Guys, as you may already know, in an sudden move, a dev from The Monero Project filed a DMCA to take down Sumokoin's git hosted at Github without prior notice.

To meet the requirements, we'd already amended copyright notices but they disagreed with some copyright dates where we only add the copyright notices to files we had modified as follows:

Copyright (c) 2017, SUMOKOIN
Copyright (c) 2014 - 2017, The Monero Project

Please note that we'd referred to "The Monero Project" at all files before, yet that appeared not enough to some devs there. While they have the right to correct copyright claim at any file they contributed code to, we expected a different approach to resolve disputes (via Issue submission or direct emailing to our devs). DMCA takedown should be the last one to do, I believe, especially for a project under a liberal license and having some noble missions.

For now, we temporarily moved our source code to GitLab: https://gitlab.com/Sumoprojects/sumokoin

The case is being discussed by community at Reddit: https://www.reddit.com/r/CryptoCurrency/comments/7tboly/can_we_get_a_clarification_from_monero_devs_on/

Sorry for any inconvenience.




2  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: December 26, 2017, 04:02:47 AM
Dev Updates

Merry Chrismas and Happy New Year to all of you. Here are some year-end updates for Sumokoin dev:

1. GUI Wallet:

- Bill and Vu are working on GUI wallet to incorperate subaddresses to the UI. This is quite a difficult job but we hope to release the wallet by the end of this month.

2. Core Dev:

- We'll keep schedule as the roadmap on sumokoin.org but expected to have more innovations in 2018. We will have a conference next month to discuss thoroughly on dev in 2018.

3. Mobile wallet

- This is an effort from our community (dev by @Neils). It's still in infancy but very promising. Any contribution, testing and suggestion, pls head to its Github: https://github.com/SadBatman/sumowallet

We hope 2018 will be a big year for Sumokoin as our great community is growing and the coin is getting good traction from the cryptocurrency world. Devs will continue putting bigger efforts and innovations to the project.

Cheers,
Sumoshi Tanaka
3  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: December 01, 2017, 01:42:28 PM
SUMOKOIN v0.2.0 - Sapporo - Release

Sumokoin v0.2.0, code name Sapporo, named after the capital city of Hokkaido, has been released that supports "Subaddresses" feature.

Subaddresses are on-the-fly addresses derived from wallet standard address which can be used to hide your wallet address from public eyes and therefore strengthens Sumokoin privacy.

Until all exchanges and pools upgrade binaries to this version, you may be able to use subaddresses to:

- Withdraw coin from exchanges

- Receive coins mined sent by pools

Ofc, you can use subaddresses to send/receive coins if both parties are using the latest version of binaries.

WARNING:

1 - Old wallet doesn't recognize subaddresses and cannot see the coins sent to its subaddresses (created by this wallet version). The coins sent, however, are not lost, they can be retrieved with new wallet.

2 - If you use old wallet files with new wallet cli, the tx history needs to be rebuilt by 'rescan_bc' command

Downloads: https://github.com/sumoprojects/sumokoin/releases/tag/v0.2.0.0

4  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: November 20, 2017, 07:19:15 AM
Subaddresses (Part 1) merged

FYI, the first stable part of "subaddresses" code has been merged to master branch at Github. This is mainly for early user experiments and GUI wallet design.

Please refer to PR #28 for usage: https://github.com/sumoprojects/sumokoin/pull/28

As current wallet version doesn't recognize subaddresses as valid ones, please DO NOT use subaddresses for:

  • Withdrawal from exchanges
  • Mining receipt addresses
  • Sending funds to them from old (cli/GUI) wallets

Subaddresses (Part 2):

- Support sending to multiple subaddresses or mix of sub/primary addresses
- Improve scanning speed and stability

Expected release date: By Nov 30, 2017

After full-featured subaddresses code is completely merged, binaries will be officially bumped to version v.0.2 (code name: Sapporo)

GUI wallet with subaddresses:

Design target: Simplifying user experience with pre/auto subaddresses generation. User can freely pick any unused subaddress for receiving fund without revealing true main address.

Expected release date: In December 2017
5  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: November 09, 2017, 04:03:07 AM
FYI, I and Haruto are working on subaddress for Sumokoin. Some performance issues need to be fixed currently.

We hope to merge code and release next binary version by Nov 20. New GUI wallet version with subaddress feature will be released soon after the merge.

Thank you all for kind supports.
6  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: October 31, 2017, 03:31:06 AM
I'm posting one last time because I have a bit special respect for billaue:

I think from your narrow-minded viewpoints many coins could be called "scam" and you never mind repeating that everyday just to show your pride as a dev from Monero. But you know, the more you talked, the less I respect you, no matter what you've contributed to Monero (which itself is a respectable project).

I may very well be narrow-minded, but I'm 100% sure about this: the most important principle for a cryptocurrency is decentralization of trust. That's why Bitcoin was born, and that's what Monero and other very few legitimate coins stand upon. Any sort of premine just goes right against that principle, no matter what. Developments may need funding, but it can be collected through donations and other ways. Premine as a development fund is just wrong because it creates a special privilege for those controlling the premined coins. Every single effort should be made to decentralize any trust. In fact, Bitcoin and Monero are completely trustless.

I think you're ignorant of this important truth. I admire your skill as a developer (the Python-based GUI wallet and the miner look well engineered), but I believe you're being fooled by Sumoshi. I remember you mentioned previously that you weren't really strongly for or against the idea of premine. I guess your main interest has been only in the programming aspect, but your contribution as a developer will not be fully appreciated if you are on a wrong project.

Sumoshi will contact Monero devs for donation. I hope you guys will accept it but we never need your recognition.

One doesn't need to contact Monero devs nor obtain a permission to make a donation. The donation address is known in public.

@Bill, you'd better save energy for dev job.

@stoffu today, I don't really care much about any "scam" accusation. From Jamie's or Buffet's point of view, all coins are scams, Bitcoin and Monero are no exceptions. So, it's very subjective.

We want to donate in Sumokoin, ofc it'll be hard for you guys and I don't know you can accept them. That's why we'll want to ask first.

We'll keep what we said and you can keep your opinion abt Sumokoin but I think you should save your time for Monero dev rather than following offensive approach like some other dev teams
7  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: October 05, 2017, 03:08:51 PM
SUMOKOIN is now listed on Livecoin.net

Sooner than expected, SUMOKOIN is now listed on Livecoin.net, you can trade SUMO with BTC or ETH at:

https://www.livecoin.net/en/trade/index



This is a big step forward for SUMOKOIN after many months having single exchange while community requires more places to trade.

Thank @FIEX, @VAD, @SUMOGR, @PATRIK and many other active members who have been helping us along the way. We hope SUMO will be on other big exchanges soon.
8  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: September 30, 2017, 03:35:40 AM
Exchange Update

FYI, Livecoin.net has accepted our submission. SUMOKOIN will be listed there within 20 working days if no technical issues arise.

Livecoin is one of a few decent exchanges that can list Cryptonote-based coins and they have quite good volume for XMR. We think it's the best choice for us atm to avoid depending on single exchange.




This is fantastic news.



And I have to add:

We have just created a new mining pool for Sumokoin.
High end server, low fee 0.6, central EU


https://Easyhash.io


It would be great if some of you fellow sumokoin miners would come help us get the hashrate up.





Nice mining pool site. Thanks for your kind support.
9  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: September 29, 2017, 02:45:07 AM
Exchange Update

FYI, Livecoin.net has accepted our submission. SUMOKOIN will be listed there within 20 working days if no technical issues arise.

Livecoin is one of a few decent exchanges that can list Cryptonote-based coins and they have quite good volume for XMR. We think it's the best choice for us atm to avoid depending on single exchange.


10  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: September 25, 2017, 12:01:43 PM
FYI, devs won't go anywhere and are working on:

1. GUI Wallet bugs: these nasty bugs (not able to connect to/sync with network and corrupted wallet files) have been addressed and fixed at the next minor release in a couple of days.

2. Core devs: the subaddress codes will be on Github for community test by the end of this month and will come to official release when no issues found (probably in October)

3. New website and rebranding: we are plan to introduce new website on early October, new brand/new color theme then will be requested to update on all other sites.

4. Exchanges: we are still working to get SUMOKOIN listed on other big exchanges. We'll update info when we have firm confirmation from any of them.

Thanks a lot for your kind supports.

Sumoshi Tanaka

11  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: September 16, 2017, 04:21:35 AM
1. We don't want to talk any more about premine, almost all were locked as most of you already knew. Devs have very little on hand and keep holding them atm and we can do anything further about that.

This creates further doubt about their true intent. You don't want to talk about your premine, because that's the most shady and ugly essence of Sumokoin. Premine is never justified, and your desire to distract people's attention from it just confirms my doubt.

People, please remember that premine is completely different from the usual donation-based funding model used in other legitimate currencies like Bitcoin and Monero. Donations are collected from the free will of the community members in agreement of who controls the fund and for what purpose to use it. With premine, an unfair financial advantage for the developers is **baked into the protocol**, putting them in a privileged and powerful position. This is practically the same as the dev tax employed in Zcash, which is run by a for-profit company. Is Sumokoin an FOSS project, or a scam run by a for-profit company? I believe the latter is the case.

Thanks to the premined coins being still locked, there's a way to eliminate this accusation: do a hard fork that bans the use of those premine outputs as inputs. Then Sumokoin can become a legitimate currency. Otherwise, I keep calling you as scammers.

3. Bill and Vu will post easy miner code to Github in a couple of days.

OK, "in a couple of days" does that mean 2 days? A week? A month? Or more? You keep damaging your credibility by delaying the release of the source code. The best action for you to do now is to immediately retract the release by deleting the download link.


1. If anyone of you in doubt abt dev intention, you can put a cautious mark here and don't invest. It's my best advice as I know I have no capability to satisfy all of you. Probably, the more we talk the more doubts will arise for some ppl.

2. I'm sure you are good enough at English to understand what "couple of days" means.
12  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: September 16, 2017, 03:04:26 AM
I understand your concerns. For the premine, as those coins are locked so we have some time to consider about this project, I think it's good as we can leave before the wallet is unlocked.

The miner was released about a week ago, we need Vu to confirm when its source code will be released.

Actually, we all expect devs to be more active. There is less and less information about this project recently (except for the miner).

Need more time to confirm if this is a legit project or not. Give them some time to answer. Don't conclude in haste. Smiley

Thank you!

1. We don't want to talk any more about premine, almost all were locked as most of you already knew. Devs have very little on hand and keep holding them atm and we can do anything further about that.

2. We agree that the progress is slow these days, especially on core development. We'll have more time for core dev as company jobs are less stressful now.

3. Bill and Vu will post easy miner code to Github in a couple of days.

4. New dev roadmap with less aggressive but bigger, long-term targets will be updated along with new website launch by the end of this month.

13  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: September 11, 2017, 01:28:16 AM
FYI, we have our wallet back at Cryptopia, deposit/withdrawal is on now  Cheesy

I know they have been through a difficult time but they are not bad guys Wink

Thank you all for being patient!
14  Alternate cryptocurrencies / Mining (Altcoins) / Re: [ANN] SUMO EASY MINER 0.1.b1.3 - THE MOST INTUITIVE GUI MINER EVER CREATED on: September 09, 2017, 01:25:16 PM
Thanks for such a stunning job, guys!
15  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: August 31, 2017, 05:24:39 PM
FYI

1. Cryptopia Wallet:

Devs have asked Cryptopia support a couple of times, yet there are no updates why it happened and ETA the wallet will come back for deposit/withdrawal. According to tweets from them, I guess they have issues with the system atm and need time for wallet re-auditing.

We'll update if there is any new info about Cryptopia wallet. Sorry for inconvenience.

2. Sumo Easy Miner:

Bill and Vu have posted a workable beta release of Sumo Easy Miner for Windows 64x to Telegram group. Please download and test it if you are interested. This is a great software, very intuitive and stable even just a beta product. Hope you like it.



You can download the miner here: https://www.dropbox.com/s/fzxjoy9le2xec2o/SumoEasyMiner-v0.1-b1.1-w64install.exe?dl=0

Any bug report or suggestion will be fully appreciated. Thanks.

3. Subaddress and multi-sign wallet:

- Subaddress codes will be posted to Github by the end of this month for reviewing before we can actually merge to main branch for next release. This is an important feature involving to true money so we can't take it lightly. It can come to live only after being well tested in many situations and ensured compatibility with old wallet file.

- Multi-sign wallet will be delayed for further testing/verification. We'll update new dev roadmap next month.
16  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: August 16, 2017, 10:02:15 AM
NEW SEED NODES ADDED

FYI, devs just added 10 more seed nodes at following locations:

1. Sydney (Australia)
2. Frankfurt (Germany)
3. London (UK)
4. Amsterdam (Netherlands)
5. Strasbourg (France)
6. Warsaw (Poland)
7. Miami (US)
8. New York (US)
9. Singapore
10. Bangalore (India)

Along with current nodes in Japan, Italy, Canada and France, we hope syncing speed will be improved.

You can help community by running Sumokoin nodes on your spared VPS/Servers. A Sumokoin node would take only a few MB RAM to run atm*. Thank you.

* Node can take much more RAM at initial sync. You can fine-tune that by adding --block-sync-size parameter to daemon. For example, this can run well at 512MB RAM VPS:

Code:
./sumokoind --block-sync-size 20

Quick guide to setup a node by @billaue:

https://bitcointalk.org/index.php?topic=1905086.msg20912528#msg20912528
17  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: August 15, 2017, 04:15:39 PM
I can't get a connection with the wallet. Also, Cryptopia seems to be having trouble getting one too:

https://www.cryptopia.co.nz/CoinInfo/?coin=SUMO

addnode=

What's going on with the nodes here?

I dont have a problem there  ...

If there's no nodes in Cryptopia's list, their wallet is going to have a hard time processing transactions, which is sorta important.

If you're part of the SUMO staff, I'd recommend you reaching out to the exchange soon and making sure they have nodes to connect to.

Bill is the wallet-dev. He will read this for sure.

At least 10 more seed nodes will be added by the end of this week. Thanks for alert!
18  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: August 14, 2017, 03:02:01 AM
VOTING FOR NEW SUMOKOIN ICON

Our design team has come to final icon set for voting. Please view icons here:

https://docs.google.com/document/d/156xI1n8i33p6b84C8jpwT8uKJrBV8AXzja67Q5WwUjE

And please vote here for your most favoured icon here:

https://imaxds93.typeform.com/to/bxM8zB

* Preview:





Thank you.
19  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: August 09, 2017, 02:42:15 AM
Guys, over at the Sumokoin Telegram we're having a discussion about new potential safety features for Sumokoin. These are suggestions made by some members of the community - we do not speak for the developers nor for the community as a whole. With this in mind, we'd like to hear what everyone else over here thinks about the following:

Emergency Withdrawal: The idea is to have a "fake" wallet password which, if you were to divulge it to someone and that person were to use the "fake" password to access your wallet, an Emergency Withdrawal would be triggered, automatically and instantly withdrawing all of your SUMO to a secondary safe wallet known only to you. Alternatively, instead of having a "fake" password for this, there could be some sort of simple puzzle (like mouse-clicking on 3 or 4 small images in a certain order) that only the wallet owner knows how to solve. You would be required to solve the puzzle before or after accessing the wallet with your password. If the puzzle is not solved correctly, even though the correct password is entered, the Emergency Withdrawal is triggered and all SUMO are transferred to the safe secondary wallet. (This would help against some keylogging attempts.)

Escrow Contract: The idea behind this is to avoid situations where trusted third-party payment escrow providers are tempted to steal the funds when a large transaction is involved, thereby reducing trust in the ecosystem and causing significant losses. With an Escrow Contract, the escrow service provider would never be in control of the escrowed funds. The buyer/seller/escrow would all initiate an Escrow Contract, and a special Escrow Address would be geenrated, after which the buyer would send the funds to that Escrow Address. The escrow provider would then receive a password, which he can use to do only one of two things: either release the funds from the Escrow Address to the merchant, or return the funds to the buyer if the seller does not deliver the goods. The escrow provider has no way of withdrawing the funds to his own address nor of using them any other way. Upon releasing the funds, the escrow provider receives his agreed-upon fee for his services.

Risk Management Feature: Large merchants have a lot to risk. If they lose access to their wallet or an unauthorized party gains access to it, their losses can be catastrophic. Some merchants might choose to control their risks by spreading out their balance across multiple Wallets so that if one is compromised, at least the remaining walltes should be OK. The Risk Management Feature would do exactly that: the merchant would create extra wallets, and whenever they receive a transfer to their main wallet, the transfer amount would be broken up into equal chunks, each of which is sent to one of the other wallts. For example: merchant creates 3 extra wallets, in addition to their main wallet, making for 4 wallets in total. Merchant then activates the Risk Management Feature in their main wallet and and inputs the addresses of the 3 extra wallets in their settings. Now the merchant receives a transfer of, say, 100 SUMO, to his main wallet (the one with Risk Management enabled). The Risk Management system automatically divides the payment into four chunks of 25 SUMO each. One chunk remains in his primary wallet, the second chunk goes to the second wallet, third chunk to third wallet, and fourth chunk to fourth wallet.

Let us know your thoughts and opinions, and please consider using the follwing Strawpoll to let us know which of the three features above you find most interesting: http://www.strawpoll.me/13658630

And make sure to let us know if you have any other ideas - you can do it here or in Telegram. Thanks.

Here are some arguments just cross to my mind, pls debate:

1. Emergency Withdrawal: I'm not sure what context for someone to use the "fake" password? In a raid? And in this case when it become a standard feature, true password and second wallet will be revealed one way or another, right?

It also cannot prevent keylogger if you use the true password every time to access your wallet. However, I think a "view only" password can be a good feature that you can enter to view balance, txs and keep master password safe, how do you think?

2. Escrow Contract: If I got it correctly, it should be a kind of smartcontract (any third-party involved is out of our scope). I don't think we can tackle to such topic anytime soon.

3. Risk Management Feature: First, pls note that sending coins to other wallets means merchants have to pay fees. Second, I'm not sure if merchants really wants the feature without actual use cases and proper surveys.

20  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [SUMO] SUMOKOIN - 🔏 Digital Cash For High-Confidential Transactions 🔏 on: July 31, 2017, 03:38:18 AM
Find below a current short term roadmap (for the next few months).
If anyone wants a higher resolution of the image please message me on telegram
Any suggestions/ideas for improving the layout on this or the next one are more than welcome


Nice roadmap though it's a short term. Thank you for all of your valuable contribution to community.
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