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Author Topic: [JBS] Jumbucks - No IPO/ICO - Proof of Stake - Slack - DCR Stake Pool - 2+ Years  (Read 42870 times)
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June 27, 2015, 08:26:05 AM
 #81

Thank you

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July 29, 2015, 07:50:40 PM
 #82


Jumbucks Fantasy Football
 
The 1st Annual Jumbucks Fantasy Football season is up and running! Twelve players from a variety of interests and backgrounds have signed up and the smack talk has already begun. For some of the players this represents their first taste of cryptocurrency, while others are are established members of the Jumbucks community taking their first punt at fantasy sports. We look forward to seeing both groups smack talk throughout the season, and anticipate several new Jumbucks and cryptocurrency fans by the time the competition completes.
 
The league buy in was 20 USD worth of $JBS. Five members of the Jumbucks community also donated to increase the prize pool, so many thanks to Julian, Xocel, Sicarious, Saintgermaine, Bittrex Bill and Takeshi for their donations and support of Jumbucks. Calculating the player buy-ins, plus the donations, the total prize pool is up to 10,000 $JBS! This prize pool will be held and staked in a wallet managed by the Jumbucks devs until the league finishes.  The league’s 1st place winner will receive 65% of the pool in addition to the stake, 2nd place will receive 25%, and 3rd place will receive 10%.

The league will kick off with a draft on Saturday September 5th and will run all the way through week 16 of the NFL season. If you want to check out the league channel and talk some smack with the league players, head over to http://slack.getjumbucks.com/ and join  #jbs-fantasy-football. While all twelve spots in the league are already filled, you are invited to reserve a position in the event that one of the current players has to drop out. If enough additional interest is raised then there could be an opportunity to create a second league. We look forward to a fun season, and invite you to drop in the Jumbucks Slack channel to welcome all the newcomers to Jumbucks.

Jumbucks is a Fair Launch cryptocurrency which launched in September 2014 without an IPO and with zero premine.  Jumbucks currently runs as 100% Proof of Stake, and is currently traded on Bittrex, Bleutrade and Cryptsy.  Find out more information at GetJumbucks.com.

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August 15, 2015, 12:14:33 AM
 #83

Jumbucks Fantasy Football Prize Pool is staking on a Raspberry Pi, watch it grow in real-time! http://ff.getjumbucks.com/

The Block explorer for Jumbucks has been renewed for another year by me https://chainz.cryptoid.info/jbs/

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August 23, 2015, 10:18:37 AM
 #84

Jumbucks is now traded on Bleutrade - https://bleutrade.com/exchange/JBS/BTC

Jumbucks is now available on Android via Coinomi wallet - https://play.google.com/store/apps/details?id=com.coinomi.wallet


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September 10, 2015, 12:20:26 PM
 #85

http://slack.getjumbucks.com/

Really enjoying the chat in Jumbucks slack  Grin
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September 15, 2015, 07:27:16 PM
 #86

This thread is quiet but I see development continues.  Looks like Version 1.9 available. 

https://github.com/jyap808/jumbucks/releases/tag/v1.9

Nice work devs!
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September 20, 2015, 11:11:56 AM
 #87


Jumbucks New Wallet Version 1.9 - Please upgrade

Hi all,

A new wallet version 1.9 has been released for Jumbucks. This release is a clean upgrade for users currently running version 1.8 of the wallet. If you are upgrading from version 1.7 or prior, please follow the steps in the release notes of version 1.8 as the data directory was renamed in that release. New users may install the wallet as is.

Highlights of this release include greatly improved wallet and staking performance.

This release is an incremental step to being a very solid cryptocurrency. It has some staking changes which improves wallet performance and the network for the long term future.

The next update will likely change the block times to something longer, for example up from 60 seconds to 100 seconds and change the proof of stake algorithm to SHA256.  This would be a version 2.0 release as it requires a hard fork.

We remind you that the primary communications channel is Jumbucks Slack.

Thank you for your support!

Download links:

Github: https://github.com/jyap808/jumbucks/releases/tag/v1.9

Changes:

  • Removed the unused encrypted messaging feature. This saves memory and network resources.
  • Modify Proof of Stake rewards to change based on nTime as opposed to block count. This makes the switchover at year 2 and year 10 exact in time.
  • Increase the number of nodes required (from 3 to 5) to be connected for staking for better broadcasting of blocks.
  • Rebalance staking network. More inputs, less resources, better stake payouts. This also results in a more stable wallet taking up less resources.
  • Only sign blocks based on current time as slow systems can unintentionally lag behind. This helps to reduce network orphaned blocks.
  • RPC command getwalletinfo - Modify to add more details
  • RPC command dumpbootstrap - New command

Signed version tag:

This version has been tagged and signed as v1.9 in Git.  Verify it using my GPG public key on https://keybase.io/jyap.

Code:
$ object 066fe329186ef86f2d22df49b288fffa6620f753
type commit
tag v1.9
tagger Julian Yap <> 1442281566 -1000

Signed 1.9 tag
gpg: Signature made Mon Sep 14 15:46:06 2015 HST using RSA key ID 7F661F0A
gpg: Good signature from "Julian Yap <>"
gpg:                 aka "keybase.io/jyap <>"

Thanks,
Julian

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September 23, 2015, 09:05:08 AM
 #88

Julian,
mandatory?

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September 23, 2015, 07:50:03 PM
 #89

Julian,
mandatory?

Technically, yes.  Most have upgraded.  You are highly encouraged to upgrade ASAP as this release takes up less resources too.  The exchanges Bittrex and Bleutrade have also upgraded.  Cryptsy is unfortunately running 1.7.

In this change in the 1.8 release:
Code:
commit 9dd0268580d3c73ccc77ae512d7203bb9b1fc6ff
Date:   Sun Sep 13 22:55:21 2015 -1000

Change Proof of Stake rewards to change based on nTime as opposed to block count.

The next reward change kicks in at exactly 2 years since launch:
Code:
if (pindexBest->nTime >= 1472688000) // Thu, 01 Sep 2016 00:00:00 UTC

Previously it kicked in based on block count:
Code:
if (nHeight >= YEARLY_BLOCKCOUNT * 2)
Where YEARLY_BLOCKCOUNT was set to:
Code:
static const int64_t YEARLY_BLOCKCOUNT = 525600;  // 60 * 24 * 365

So you definitely MUST upgrade prior to block 1,051,200.  Currently at block 606,987.

The next update will most likely be a hard fork so that will be a mandatory update but I'll give ample time to upgrade that.




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October 01, 2015, 11:11:26 PM
 #90

Jumbucks Slack Tip Bot

Tip bot is live and up and running at Jumbucks Slack! Tips are on the blockchain! Happy tipping!

Sign up to Jumbucks Slack here: http://slack.getjumbucks.com



Tips are onchain, thus viewable on block explorers. If tipped, you will need to wait for the next block before it is added to your tipbot balance. A tx fee will also be taken from your tipbot balance, equivalent to the standard network tx fee.
 
Tips can not exceed your tipbot balance - 0.0005 JBS. This is to ensure there is enough left for the tx fee. This also applies to withdraws.
 
Minimum tip amount is 0.1 JBS

 
Code:
Usage:
 
tipbot deposit                            Returns users deposit address
 
tipbot balance                            Returns users current balance
 
tipbot tip <@user> <amount>               Tips @user amount JBS
e.g: tipbot tip @xocel 100
 
tipbot withdraw <address> <amount>        Withdraw amount to address
e.g: tipbot withdraw JZp9893FMmrm1681bDuJBU7c6w11kyEY7D 100

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October 05, 2015, 11:46:16 PM
 #91

Bumping because Jumbucks Slack is the real deal. If you're not in it yet it's time to get hip to the scene.:: https://jumbucks.slack.com
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October 05, 2015, 11:50:37 PM
 #92

cool coin and awesome slack chat. tip them jbs!


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October 06, 2015, 07:11:15 AM
 #93

thanks for the tip bot @jyap and @xocel .
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October 07, 2015, 07:35:25 AM
 #94



Here are some observations.

Jumbucks Version 1.9 was released this 22 days ago which allowed time for most to upgrade (over 75% of nodes).

In the first yellow box, the Interval column, we can see that thanks to the changes in version 1.9, daily block times are now more stable around the 60 second mark.  Prior to this, daily block times were around 48 to 57 seconds.

In the 2nd yellow box, the Transactions column, we can see that wiith the addition of the Jumbucks Slack tip bot, transactions have increased nicely.

On another note, I have experienced issues with withdrawing Jumbucks from the exchange Cryptsy and so has at least one other person (https://twitter.com/alex_sterk/status/651462998737879040).  I've filed a support ticket with Cryptsy but unfortunately there's not much that can be in this situation.  This illustrates a reason why it's important not to hold large amounts of cryptocurrencies on 3rd party exchanges.

Don't forget to Join Jumbucks Slack.  Currently 17 users online now of 271 registered.  Free sign up at: http://slack.getjumbucks.com

Thank you all for your support as we endeavor to build the best cryptocurrency coin and community.

- Julian


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October 09, 2015, 05:08:00 PM
 #95



Here are some observations.

Jumbucks Version 1.9 was released this 22 days ago which allowed time for most to upgrade (over 75% of nodes).

In the first yellow box, the Interval column, we can see that thanks to the changes in version 1.9, daily block times are now more stable around the 60 second mark.  Prior to this, daily block times were around 48 to 57 seconds.

In the 2nd yellow box, the Transactions column, we can see that wiith the addition of the Jumbucks Slack tip bot, transactions have increased nicely.

On another note, I have experienced issues with withdrawing Jumbucks from the exchange Cryptsy and so has at least one other person (https://twitter.com/alex_sterk/status/651462998737879040).  I've filed a support ticket with Cryptsy but unfortunately there's not much that can be in this situation.  This illustrates a reason why it's important not to hold large amounts of cryptocurrencies on 3rd party exchanges.

Don't forget to Join Jumbucks Slack.  Currently 17 users online now of 271 registered.  Free sign up at: http://slack.getjumbucks.com

Thank you all for your support as we endeavor to build the best cryptocurrency coin and community.

- Julian



Nearing that 300 registered mark, nice job. Smiley

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October 09, 2015, 05:14:19 PM
 #96

what the POS % and timeframe? thanks

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October 09, 2015, 07:22:57 PM
 #97

what the POS % and timeframe? thanks

Hey SecretsOfCrypto

The last PoW block was block 30k. Jumbucks launched September 2014.

There is currently 8% PoS interest with a max stake block reward of 4 JBS.

At the end of 2 years, it becomes 5% interest and MAX_STAKE_BLOCK_REWARD = 2.5

At the end of 10 years, it becomes 2% interest and MAX_STAKE_BLOCK_REWARD = 1

Relevant Proof of Stake switchover code below:

Code:
    if (pindexBest->nTime >= 1472688000) // Thu, 01 Sep 2016 00:00:00 UTC
    {
        // Year 2. 5% interest and MAX_STAKE_BLOCK_REWARD = 2.5
        nSubsidy = nCoinAge * 5 * CENT * 33 / (365 * 33 + 8);
        nSubsidyLimit = 2.5 * COIN;
    }
    if (pindexBest->nTime >= 1725148800) // Sun, 01 Sep 2024 00:00:00 UTC
    {
        // Year 10. 2% interest and MAX_STAKE_BLOCK_REWARD = 1
        nSubsidy = nCoinAge * 2 * CENT * 33 / (365 * 33 + 8);
        nSubsidyLimit = 1 * COIN;
    }

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October 13, 2015, 07:16:22 AM
 #98

Vulnerability in UPnP library used by Bitcoin Core

Today Bitcoin Core put out a warning stating that "Version before 1.9.20151008 of the miniupnpc library are vulnerable to a buffer overflow in the XML parser during initial network discovery".

We have made the necessary code changes so that Jumbucks is now compatible with the latest versions of the miniupnpc library.  We have also bumped the latest version in the Jumbucks source code to version 1.9.1.  Feel free to upgrade via building a new wallet if you are so inclined.

The Jumbucks developers have decided we won't be building a new release version just for this change as this issue requires "running a malicious UPnP server on the local network" to crash the application.

If this is an issue, disabling UPnP is the recommended course of action as stated in the original announcement.

Future versions of the Jumbucks wallet will have the latest version of the miniupnpc library built in unlike future versions of Bitcoin who have decided to disable miniupnpc by default.  The benefit of the Jumbucks wallet accept incoming connections from other peers by default greatly outweighs the potential issues that miniupnpc may have that can be worked around or patched in future versions quite easily.

Thank you,

Julian

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October 13, 2015, 08:44:36 AM
 #99

The exchanges Bittrex and Bleutrade have also upgraded.  Cryptsy is unfortunately running 1.7.

and the cry is walleted LOCK
why am i not surprised?

PRoTIGERopenUNOSMCunic.zeit.TALK.GLCBCCBCT.emdASIC.SMART Observer op420UNO/XMR2.0sleepersdLEx◣table◣charity:UNOtek:UN<>EX<<>>
::::::  diction ::  :: top20cons ::  :: UNO tech :: UN<>EX :::CCtalk::::TOP50 :: BCC dir :: the media :: <<>>
✪ Pledges on the Record ✪ ✪ The Social Code of Noble Men of New & Old ✪ May2020BTC#18M◣◥◣◥◣◣◥◣◥ TALK CRjt8BZu5a7YYNc4yCXD9SqztQcSjwn5eZ ◣
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October 13, 2015, 10:05:29 AM
 #100

windows wallet?
preferably in the OP  Grin

---

okay found it but need to go to the official site http://getjumbucks.com/

nice load .gif btw

PRoTIGERopenUNOSMCunic.zeit.TALK.GLCBCCBCT.emdASIC.SMART Observer op420UNO/XMR2.0sleepersdLEx◣table◣charity:UNOtek:UN<>EX<<>>
::::::  diction ::  :: top20cons ::  :: UNO tech :: UN<>EX :::CCtalk::::TOP50 :: BCC dir :: the media :: <<>>
✪ Pledges on the Record ✪ ✪ The Social Code of Noble Men of New & Old ✪ May2020BTC#18M◣◥◣◥◣◣◥◣◥ TALK CRjt8BZu5a7YYNc4yCXD9SqztQcSjwn5eZ ◣
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