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541  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] MemoryCoin 2.0 (MMC) - Emergency Fork - Block 607 - 0.8.54 on: December 19, 2013, 02:12:53 PM
So I had download the update for a fork at 7xx(can't remember what it was) and thought everything was fine. Didn't notice that you had decided to emergency fork it at 607.

Came home yesterday and was excited to have finally found a block. It wasn't real, though.

How was I supposed to know that you would decide to fork it 100 blocks earlier......

I'm really disappointed in this coin. I've been mining since the release and I'm done.

These are some of the pains when adopting a new coin, early bugs.
542  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] MemoryCoin 2.0 (MMC) - Emergency Fork - Block 607 - 0.8.54 on: December 19, 2013, 02:03:21 PM
please post your debug logs so that the devs can fix asap.
Same here- deleted the old block chain and takes forever to load the block and crashes... exact same operation on the linux box and it was up and running in a few minutes.


Well, I've been running the Windows client for about 5 days and have encountered some bugs. They are all the same for all 3 released binary versions and didn't improve in any way. Just want to summarize the issues for the Windows build:

1. Sync problem

After starting the client it can't sync ("No block source available"). Reproduced behind NAT. Sometimes you simply have to wait 10-30 min. and it syncs. Sometimes it doesn't. Adding lots of nodes from this thread to the memorycoin.conf file seems to fix this issue.

Also sometimes the client appears to be synced but the block count is less than real block count. Improves after some time or after restart.

2. Program crash

Usually happens when you turn mining on and off several times or change thread count. For example: Mine 4 Processes -> Mine 2 Processes -> Switch Mining Off -> Mine 4 Processes -> crash. I noticed that you have to wait for some time for mining to actually stop before enabling it again but it doesn't prevent crashes. Sometimes the crash is followed by database corruption.

3. Database corruption

Happens after number 3. After starting the client it shows a dialog like "Do you want to rebuild index?" Then it reindexes the database.

4. Mining stops

After mining for some time it stops. Enabling mining with any number of threads doesn't work even if the blockchain is in sync and with correct block count. Restarting client fixes this.

5. The application doesn't close

Usually happens after number 4. After closing the client window memorycoin-qt.exe can still be seen in the process list.
543  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] MemoryCoin 2.0 (MMC) - Emergency Fork - Block 607 - 0.8.54 on: December 19, 2013, 01:33:14 PM
Glitch when restarting after crash. Happened twice. had to clean the block chain and chainstate folders and rebuild to fix.

Quote
ThreadRPCServer method=getmininginfo
testHash ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff, 0
Start Search
ThreadRPCServer method=getinfo
keypool reserve 3
keypool return 3
ThreadRPCServer method=getmininginfo
ThreadRPCServer method=getinfo
keypool reserve 3
keypool return 3
ThreadRPCServer method=getmininginfo
ThreadRPCServer method=getinfo
keypool reserve 3
keypool return 3
ThreadRPCServer method=getmininginfo
found solution - 814 / 1968 / 239863267
ThreadRPCServer method=getinfo
keypool reserve 3
keypool return 3
ThreadRPCServer method=getmininginfo
ThreadRPCServer method=getinfo
keypool reserve 3
keypool return 3
ThreadRPCServer method=getmininginfo
testHash 8483376418dfb5403da6e6eff6d4f11215dbb1cc1eb6e16028d276a5494597b8, 1
Start Search
ThreadRPCServer method=getinfo
keypool reserve 3
keypool return 3
ThreadRPCServer method=getmininginfo



MemoryCoin version v0.8.5-59-g2806f95-beta (2013-12-18 17:42:32 +0700)
Using OpenSSL version OpenSSL 1.0.1e 11 Feb 2013
Startup time: 2013-12-19 13:29:28
Default data directory /root/.memorycoin
Using data directory /root/.memorycoin
Using at most 125 connections (1024 file descriptors available)
Using 16 threads for script verification
init message: Verifying wallet...
dbenv.open LogDir=/root/.memorycoin/database ErrorFile=/root/.memorycoin/db.log
Bound to [::]:1968
Bound to 0.0.0.0:1968
init message: Loading block index...
Opening LevelDB in /root/.memorycoin/blocks/index
Opened LevelDB successfully
Opening LevelDB in /root/.memorycoin/chainstate
Opened LevelDB successfully
ERROR: CheckProofOfWork() : hash doesn't match nBits
ERROR: LoadBlockIndex() : CheckIndex failed: CBlockIndex(pprev=0x7f2d88810960, pnext=(nil), nHeight=860, merkle=5673807da71bc8de6f7f9d5e618e3dd05bbf901b088742cd2383596eb7a8332f, hashBlock=ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
: Error loading block database.
Do you want to rebuild the block database now?
Flush(false)
DBFlush(false) ended               0ms
StopNode()
Flushed 0 addresses to peers.dat  2ms
Committing 0 changed transactions to coin database...

544  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] MemoryCoin 2.0 (MMC) - Emergency Fork - Block 607 - 0.8.54 on: December 19, 2013, 08:13:17 AM
There's always someone bitching about what's fair and what's not fair. Surely not everyone has access to an ASIC miner due to price and availability, but a cloud server? Come on... They're not that expensive and anyone with a few extra bucks can get one. May I remind you that Amazon isn't the only cloud server provider out there? Do some research and find a good host.

I've been running 5 12-core cloud server on one provider and 12 12-core (on and off) on another. 5 blocks found so far.

Also, there have been several people in this thread that has found blocks using their LAPTOPS. Hence the 'anyone' can mine this coin.

Let's call this a cloud-only coin.
545  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] MemoryCoin 2.0 (MMC) - Emergency Fork - Block 607 - 0.8.54 on: December 19, 2013, 05:47:59 AM
That's it, I'm not going to smell this coin again. It stinks badly! Not that it all started poorly with all the premined coins, 6% of mined coins going to developers, software crashing, blockchain not syncing correctly, had fubar difficulty targeting,... Well, now it's official that (most likely) one of existent protoshares pools started mining, if not one of developers. I wouldn't be surprised if they (PTS pools and developers) are tightly connected.

http://www.chainbrowser.com/memorycoin/address/MAWa8jwrpvg87dZCv9KAajCmMY62xJfrKY

I think we can all say bye bye to this crypto. It sucks.


From now on, developers should consider 3 things before releasing anything. 1. Working pool, 2. working miner and 3. working wallet. This is fiasco.

PS. I'm sure damage control will make pool available in 12 hours or so. Well, I'm out anyway.

That link doesn't point to a real address.

I don't think Free Trade can screw up his coin a third time. MMC is in early development and the essence was to prevent GPU/ASIC mining.

The only thing wrong with this are cloud miners reaping all the blocks.

The wallet works [glitchy due to the early fork], solo mining works -- and there is a temporary script that auto-restarts the daemon once it crashes for linux.

I've been rewarded with 35 MMC as one of the early block finders and haven't hit another block for 2 days.

You need to mine to get a block reward!

Anyway, with 10 million coins that are to be in circulation within 1-3 years, dumping 10K+ MMC shortly after MMC hits the markets will not really affect the currency overall.

As the reward decreases and difficulty shoots up, cloud mining will become ineffective because of its lack of availability at times.
Not to mention when the availability slots do come up, other cloud miners will also start mining, reducing the reward/time and increasing the price demanded.

Just price in the fact that it is a race to get as many MMC as you can because the reward reduces by 5% per week. This is the reason for cloud miners jumping to it right now.
546  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] MemoryCoin 2.0 (MMC) - Emergency Fork - Block 607 - 0.8.54 on: December 19, 2013, 04:35:30 AM
hi all,

does anyone know what is current exchange rate for each MMC?

tks

Refer to this link: https://docs.google.com/spreadsheet/ccc?key=0Ah-RwqxEvuqFdGYyM2tDTVFRUXRUc1ZieFVLaGQ3VXc&usp=sharing#gid=0
from: https://bitsharestalk.org/index.php?topic=1481.0
547  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] MemoryCoin 2.0 (MMC) - Emergency Fork - Block 607 - 0.8.54 on: December 19, 2013, 04:00:53 AM

Anyone know the H/m for amazon cloud mining?

Code:
    "hashespermin" : 10.21357159,

aws c3.8xlarge

Are you paying for the AWS server or using free credit?  I just got 100 bucks free credit, and started c3.4xlarge, so I am wondering how many days it will last? BTW, the max price I set is 2.2$ . Thanks.

According to my calculations, at least 45.45 hours.
548  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] MemoryCoin 2.0 (MMC) - Emergency Fork - Block 607 - 0.8.54 on: December 19, 2013, 12:34:17 AM
Is that $2.4 per hour?

That translates to 722.4 hours in a month. (24 hours * 4.3 weeks * 7 days)
722.4*2.4 = $1,733.76

The 16 CPU would be $866.88 @ $1.2/hour

Yeeeesh.


I used to get the .. c3.xlarge (l8 cores, 10GB RAM?... the "budget" CPU server).. I guess maybe I shouldn't say this if it's ever profitable again, but you could always get those @ spot price for .07c in US East (I had 100 running on multiple occasions).

Haven't tried them with this (& they arent worth it anymore with any other coins at current prices)

ed: oh, did you get a promo at wholesaleinternet or just regular prices?  i have about 30 servers, but a lot of them i keep, like the $39 e3-1230's that online.net stuck on oneprovider

x7 Dual L5420 Xeons @ $30 a month
549  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] MemoryCoin 2.0 (MMC) - Emergency Fork - Block 607 - 0.8.54 on: December 19, 2013, 12:13:00 AM
None of the IPs on original post work,

try 68.232.188.226 and 198.12.127.2    (darkhosis.nogleg.com and nogleg.net)

oh, there are many ppl stuck at 554 blocks for some reason.  they usually end up trying to submit some blocks to me and my client bans them?

Here are my dedi's running the latest MMC build
(Should be online until Jan.)

addnode 69.197.166.50:1968 add
addnode 198.204.255.50:1968 add
addnode 69.197.181.18:1968 add
addnode 173.208.132.122:1968 add
addnode 69.197.144.42:1968 add
addnode 173.208.132.114:1968 add
addnode 69.197.144.146:1968 add
addnode 69.30.198.114:1968 add

Feel free to add them to your linux conf as well:

addnode=69.197.166.50:1968
addnode=198.204.255.50:1968
addnode=69.197.181.18:1968
addnode=173.208.132.122:1968
addnode=69.197.144.42:1968
addnode=173.208.132.114:1968
addnode=69.197.144.146:1968
addnode=69.30.198.114:1968




Anyone know the H/m for amazon cloud mining?

Code:
    "hashespermin" : 10.21357159,

aws c3.8xlarge

Is that $2.4 per hour?

That translates to 722.4 hours in a month. (24 hours * 4.3 weeks * 7 days)
722.4*2.4 = $1,733.76

The 16 CPU would be $866.88 @ $1.2/hour

Yeeeesh.
550  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] MemoryCoin 2.0 (MMC) - Emergency Fork - Block 607 - 0.8.54 on: December 18, 2013, 11:52:09 PM
Ok so the windows build has now crashed on both my machines, and crashed again when trying to restart it.
Go to "%APPDATA%/MemoryCoin/" and delete everything except wallet.dat
551  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] MemoryCoin 2.0 (MMC) - Emergency Fork - Block 607 - 0.8.54 on: December 18, 2013, 11:36:05 PM
My dedicated server w/ Dual Xeon L5639 is mining at 5.28 H/m



I checked at my Dedi host to see that all their servers are out of stock.

This server goes for $69/mo and can easily mine blocks.

(Datashack and Servercomplete)

Anyone know the H/m for amazon cloud mining?
552  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] MemoryCoin 2.0 (MMC) - Emergency Fork - Block 607 - 0.8.54 on: December 18, 2013, 11:25:59 PM
Who's this: MAWa8jwrpvg87dZCv9KAajCmMY62xJfrKY
And how did he hit 17 blocks...?
http://www.chainbrowser.com/memorycoin/address/MAWa8jwrpvg87dZCv9KAajCmMY62xJfrKY/

He must be pumping $$ from a cloud mining

or he wrote a pool miner + botnet

Seriously, he's getting all of the blocks, every 30 minutes or so.
553  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] MemoryCoin 2.0 (MMC) - Emergency Fork - Block 607 - 0.8.54 on: December 18, 2013, 11:15:39 PM
Who's this: MAWa8jwrpvg87dZCv9KAajCmMY62xJfrKY
And how did he hit 17 blocks...?
http://www.chainbrowser.com/memorycoin/address/MAWa8jwrpvg87dZCv9KAajCmMY62xJfrKY/

He must be pumping $$ from a cloud mining
554  Other / Beginners & Help / Re: Anyone else bought high? Worried? Still holding strong? (I bought in at $1080) on: December 18, 2013, 07:53:42 PM
The easiest investment is to buy bitcoins to invest in a bitcoin ASIC miner. You'll break even in about 3 months.
555  Other / Beginners & Help / Re: Anyone else bought high? Worried? Still holding strong? (I bought in at $1080) on: December 18, 2013, 07:41:54 PM
The USD's most important risk factor are tapering concerns.

If QE remains then you should see BTC going back up with a weaker dollar.
Also vice versa, lower bitcoins with more faith in the dollar.

Start thinking about the bigger picture when you want to play cryptocurrencies.
If the Eurozone of US show signs of weakness in their currency, albeit anything really -- btc's value will go up.

A good way to keep track of US dollar's trend is by looking at the Dollar Index vs. 6 major currencies.

You are making a very big assumption... That Bitcoin itself can be considered stable ground with a stable value that will reflect in changing price as fiat currencies are debased. Wink
That's a pretty large leap of faith.

I was talking about the USD relation alone.
556  Other / Beginners & Help / Re: Anyone else bought high? Worried? Still holding strong? (I bought in at $1080) on: December 18, 2013, 07:29:00 PM
The best way to make money mining is to make your own coin
https://bitcointalk.org/index.php?topic=364076.msg4021727#msg4021727

There are already at least 20 other cryptocurrencies, with just number changes and variable changes in the original code of bitcoin or litecoin.

Many new ones now will not gain popularity unless it has support, credability and uniqueness.
557  Other / Beginners & Help / Re: Anyone else bought high? Worried? Still holding strong? (I bought in at $1080) on: December 18, 2013, 07:22:07 PM
The USD's most important risk factor are tapering concerns.

If QE remains then you should see BTC going back up with a weaker dollar.
Also vice versa, lower bitcoins with more faith in the dollar.

Start thinking about the bigger picture when you want to play cryptocurrencies.
If the Eurozone of US show signs of weakness in their currency, albeit anything really -- btc's value will go up.

A good way to keep track of US dollar's trend is by looking at the Dollar Index vs. 6 major currencies.
558  Other / Beginners & Help / Re: Anyone else bought high? Worried? Still holding strong? (I bought in at $1080) on: December 18, 2013, 06:48:27 PM
You should have enabled instant buy for Coinbase.

For all those who bought high,
It is December and many people are taking their profits and coming home with loads of cash so this should be normal for the end of the year.

And with China, that's a temporary set back by the market but the price should have held at least $700 for the announcement.
Losing bank support from China isn't that bad-- By law, they have to get rid of their bitcoins now so they're dumping it. After that, hopefully more bitcoins can be in circulation.

And if it decreases even more, it's is just a way for bitcoin investors to buy at a lower price.

-Still holding 11 bitcoins since $200.
559  Economy / Games and rounds / Re: 0.025 Bitcoin to One of the First 250 Twitter Followers FREE FREE FREE Bitcoin! on: December 18, 2013, 06:25:07 PM
random.org definitely - but imho you shouldn't use .025 bitcoin as an incentive if you want real followers and supporters.
560  Other / Beginners & Help / Re: Five years of BTC history in one epic infographic on: December 18, 2013, 06:05:37 PM
Incredible infographic. How about the mining and technology boom infographic for btc?

I wonder why Satoshi Nakamoto is still anonymous to this day.

Imagine if you bought 13,309.03 bitcoins with a dollar back 4 years ago :3
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